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Disable nrvo mir opt

This commit is contained in:
Jakob Degen 2023-04-29 19:02:45 -07:00
parent ad6b20bf52
commit 8e2da80fc5
20 changed files with 247 additions and 574 deletions
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3
compiler/rustc_mir_transform/src/nrvo.rs
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@ -34,7 +34,8 @@ pub struct RenameReturnPlace;
impl<'tcx> MirPass<'tcx> for RenameReturnPlace {
fn is_enabled(&self, sess: &rustc_session::Session) -> bool {
sess.mir_opt_level() > 0
// #111005
sess.mir_opt_level() > 0 && sess.opts.unstable_opts.unsound_mir_opts
}
fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut mir::Body<'tcx>) {

14
tests/codegen/fewer-names.rs
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@ -7,14 +7,14 @@
#[no_mangle]
pub fn sum(x: u32, y: u32) -> u32 {
// YES-LABEL: define{{.*}}i32 @sum(i32 noundef %0, i32 noundef %1)
// YES-NEXT: %3 = add i32 %1, %0
// YES-NEXT: ret i32 %3
// YES-LABEL: define{{.*}}i32 @sum(i32 noundef %0, i32 noundef %1)
// YES-NEXT: %3 = add i32 %1, %0
// YES-NEXT: ret i32 %3
// NO-LABEL: define{{.*}}i32 @sum(i32 noundef %x, i32 noundef %y)
// NO-NEXT: start:
// NO-NEXT: %0 = add i32 %y, %x
// NO-NEXT: ret i32 %0
// NO-LABEL: define{{.*}}i32 @sum(i32 noundef %x, i32 noundef %y)
// NO-NEXT: start:
// NO-NEXT: %z = add i32 %y, %x
// NO-NEXT: ret i32 %z
let z = x + y;
z
}

18
tests/codegen/mem-replace-big-type.rs
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@ -13,7 +13,8 @@ pub struct Big([u64; 7]);
pub fn replace_big(dst: &mut Big, src: Big) -> Big {
// Back in 1.68, this emitted six `memcpy`s.
// `read_via_copy` in 1.69 got that down to three.
// `write_via_move` has it down to just the two essential ones.
// `write_via_move` it was originally down to the essential two, however
// with nrvo disabled it is back at 3
std::mem::replace(dst, src)
}
@ -22,13 +23,14 @@ pub fn replace_big(dst: &mut Big, src: Big) -> Big {
// CHECK-NOT: call void @llvm.memcpy
// For a large type, we expect exactly two `memcpy`s
// For a large type, we expect exactly three `memcpy`s
// CHECK-LABEL: define internal void @{{.+}}mem{{.+}}replace{{.+}}sret(%Big)
// CHECK-NOT: alloca
// CHECK-NOT: call void @llvm.memcpy
// CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 8 %0, {{i8\*|ptr}} align 8 %dest, i{{.*}} 56, i1 false)
// CHECK-NOT: call void @llvm.memcpy
// CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 8 %dest, {{i8\*|ptr}} align 8 %src, i{{.*}} 56, i1 false)
// CHECK-NOT: call void @llvm.memcpy
// CHECK-NOT: call void @llvm.memcpy
// CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 8 %result, {{i8\*|ptr}} align 8 %dest, i{{.*}} 56, i1 false)
// CHECK-NOT: call void @llvm.memcpy
// CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 8 %dest, {{i8\*|ptr}} align 8 %src, i{{.*}} 56, i1 false)
// CHECK-NOT: call void @llvm.memcpy
// CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 8 %0, {{i8\*|ptr}} align 8 %result, i{{.*}} 56, i1 false)
// CHECK-NOT: call void @llvm.memcpy
// CHECK-NOT: call void @llvm.memcpy

2
tests/codegen/nrvo.rs
View File

@ -8,7 +8,7 @@
pub fn nrvo(init: fn(&mut [u8; 4096])) -> [u8; 4096] {
// CHECK-LABEL: nrvo
// CHECK: @llvm.memset
// CHECK-NOT: @llvm.memcpy
// FIXME: turn on nrvo then check-not: @llvm.memcpy
// CHECK: ret
// CHECK-EMPTY
let mut buf = [0; 4096];

4
tests/codegen/var-names.rs
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@ -9,7 +9,7 @@ pub fn test(a: u32, b: u32) -> u32 {
// CHECK: %c = add i32 %a, %b
let d = c;
let e = d * a;
// CHECK-NEXT: %0 = mul i32 %c, %a
// CHECK-NEXT: %e = mul i32 %c, %a
e
// CHECK-NEXT: ret i32 %0
// CHECK-NEXT: ret i32 %e
}

12
tests/mir-opt/inline/inline_into_box_place.main.Inline.diff
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@ -16,7 +16,8 @@
+ let mut _4: usize; // in scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
+ let mut _5: usize; // in scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
+ let mut _6: *mut u8; // in scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
+ let mut _7: *const std::vec::Vec<u32>; // in scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
+ let mut _7: std::boxed::Box<std::vec::Vec<u32>>; // in scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
+ let mut _8: *const std::vec::Vec<u32>; // in scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
+ scope 4 {
+ }
+ }
@ -65,9 +66,12 @@
bb3: {
- StorageDead(_1); // scope 0 at $DIR/inline_into_box_place.rs:+2:1: +2:2
- return; // scope 0 at $DIR/inline_into_box_place.rs:+2:2: +2:2
+ _1 = ShallowInitBox(move _6, std::vec::Vec<u32>); // scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
+ _7 = (((_1.0: std::ptr::Unique<std::vec::Vec<u32>>).0: std::ptr::NonNull<std::vec::Vec<u32>>).0: *const std::vec::Vec<u32>); // scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
+ (*_7) = move _2; // scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
+ StorageLive(_7); // scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
+ _7 = ShallowInitBox(move _6, std::vec::Vec<u32>); // scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
+ _8 = (((_7.0: std::ptr::Unique<std::vec::Vec<u32>>).0: std::ptr::NonNull<std::vec::Vec<u32>>).0: *const std::vec::Vec<u32>); // scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
+ (*_8) = move _2; // scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
+ _1 = move _7; // scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
+ StorageDead(_7); // scope 3 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
+ StorageDead(_2); // scope 0 at $DIR/inline_into_box_place.rs:+1:48: +1:49
+ _0 = const (); // scope 0 at $DIR/inline_into_box_place.rs:+0:11: +2:2
+ drop(_1) -> [return: bb1, unwind: bb2]; // scope 0 at $DIR/inline_into_box_place.rs:+2:1: +2:2

14
tests/mir-opt/inline/issue_58867_inline_as_ref_as_mut.b.Inline.after.mir
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@ -8,8 +8,9 @@ fn b(_1: &mut Box<T>) -> &mut T {
let mut _4: &mut std::boxed::Box<T>; // in scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15
scope 1 (inlined <Box<T> as AsMut<T>>::as_mut) { // at $DIR/issue_58867_inline_as_ref_as_mut.rs:8:7: 8:15
debug self => _4; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
let mut _5: std::boxed::Box<T>; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
let mut _6: *const T; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
let mut _5: &mut T; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
let mut _6: std::boxed::Box<T>; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
let mut _7: *const T; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
}
bb0: {
@ -17,9 +18,12 @@ fn b(_1: &mut Box<T>) -> &mut T {
StorageLive(_3); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15
StorageLive(_4); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15
_4 = &mut (*_1); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15
_5 = deref_copy (*_4); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
_6 = (((_5.0: std::ptr::Unique<T>).0: std::ptr::NonNull<T>).0: *const T); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
_3 = &mut (*_6); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
StorageLive(_5); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:7: +1:15
_6 = deref_copy (*_4); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
_7 = (((_6.0: std::ptr::Unique<T>).0: std::ptr::NonNull<T>).0: *const T); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
_5 = &mut (*_7); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
_3 = _5; // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
StorageDead(_5); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:7: +1:15
_2 = &mut (*_3); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15
StorageDead(_4); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:14: +1:15
_0 = &mut (*_2); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15

14
tests/mir-opt/inline/issue_58867_inline_as_ref_as_mut.d.Inline.after.mir
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@ -7,17 +7,21 @@ fn d(_1: &Box<T>) -> &T {
let mut _3: &std::boxed::Box<T>; // in scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15
scope 1 (inlined <Box<T> as AsRef<T>>::as_ref) { // at $DIR/issue_58867_inline_as_ref_as_mut.rs:18:7: 18:15
debug self => _3; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
let mut _4: std::boxed::Box<T>; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
let mut _5: *const T; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
let _4: &T; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
let mut _5: std::boxed::Box<T>; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
let mut _6: *const T; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
}
bb0: {
StorageLive(_2); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15
StorageLive(_3); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15
_3 = &(*_1); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15
_4 = deref_copy (*_3); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
_5 = (((_4.0: std::ptr::Unique<T>).0: std::ptr::NonNull<T>).0: *const T); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
_2 = &(*_5); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
StorageLive(_4); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
_5 = deref_copy (*_3); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
_6 = (((_5.0: std::ptr::Unique<T>).0: std::ptr::NonNull<T>).0: *const T); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
_4 = &(*_6); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
_2 = _4; // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
StorageDead(_4); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
_0 = &(*_2); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15
StorageDead(_3); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:14: +1:15
StorageDead(_2); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+2:1: +2:2

129
tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.diff
View File

@ -12,51 +12,7 @@
+ debug rhs => _4; // in scope 1 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
+ let mut _5: u16; // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ let mut _6: (u32,); // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ let mut _7: u32; // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ scope 2 {
+ scope 3 (inlined core::num::<impl u16>::unchecked_shl::conv) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ debug x => _7; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ let mut _8: std::option::Option<u16>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ let mut _9: std::result::Result<u16, std::num::TryFromIntError>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ scope 4 {
+ scope 5 (inlined <u32 as TryInto<u16>>::try_into) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ debug self => _7; // in scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
+ scope 6 (inlined convert::num::<impl TryFrom<u32> for u16>::try_from) { // at $SRC_DIR/core/src/convert/mod.rs:LL:COL
+ debug u => _7; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ let mut _10: bool; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ let mut _11: u32; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ let mut _12: u16; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ }
+ }
+ scope 7 (inlined Result::<u16, TryFromIntError>::ok) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ debug self => _9; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ let mut _13: isize; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ let _14: u16; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ scope 8 {
+ debug x => _14; // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
+ }
+ }
+ scope 9 (inlined #[track_caller] Option::<u16>::unwrap_unchecked) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ debug self => _8; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+ let mut _15: &std::option::Option<u16>; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+ let mut _16: isize; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+ scope 10 {
+ debug val => _5; // in scope 10 at $SRC_DIR/core/src/option.rs:LL:COL
+ }
+ scope 11 {
+ scope 13 (inlined unreachable_unchecked) { // at $SRC_DIR/core/src/option.rs:LL:COL
+ scope 14 {
+ scope 15 (inlined unreachable_unchecked::runtime) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+ }
+ }
+ }
+ }
+ scope 12 (inlined Option::<u16>::is_some) { // at $SRC_DIR/core/src/option.rs:LL:COL
+ debug self => _15; // in scope 12 at $SRC_DIR/core/src/option.rs:LL:COL
+ }
+ }
+ }
+ }
+ }
+ }
@ -66,87 +22,30 @@
StorageLive(_4); // scope 0 at $DIR/unchecked_shifts.rs:+1:21: +1:22
_4 = _2; // scope 0 at $DIR/unchecked_shifts.rs:+1:21: +1:22
- _0 = core::num::<impl u16>::unchecked_shl(move _3, move _4) -> bb1; // scope 0 at $DIR/unchecked_shifts.rs:+1:5: +1:23
- // mir::Constant
- // + span: $DIR/unchecked_shifts.rs:11:7: 11:20
- // + literal: Const { ty: unsafe fn(u16, u32) -> u16 {core::num::<impl u16>::unchecked_shl}, val: Value(<ZST>) }
+ StorageLive(_5); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageLive(_6); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ _6 = (_4,); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageLive(_7); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ _7 = move (_6.0: u32); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageLive(_8); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageLive(_9); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageLive(_10); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ StorageLive(_11); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ _11 = const 65535_u32; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ _10 = Gt(_7, move _11); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ StorageDead(_11); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ switchInt(move _10) -> [0: bb3, otherwise: bb2]; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ _5 = core::num::<impl u16>::unchecked_shl::conv(move (_6.0: u32)) -> bb1; // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
// mir::Constant
- // + span: $DIR/unchecked_shifts.rs:11:7: 11:20
- // + literal: Const { ty: unsafe fn(u16, u32) -> u16 {core::num::<impl u16>::unchecked_shl}, val: Value(<ZST>) }
+ // + span: $SRC_DIR/core/src/num/mod.rs:LL:COL
+ // + literal: Const { ty: fn(u32) -> u16 {core::num::<impl u16>::unchecked_shl::conv}, val: Value(<ZST>) }
}
bb1: {
+ StorageDead(_6); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ _0 = unchecked_shl::<u16>(_3, move _5) -> [return: bb2, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
+ // mir::Constant
+ // + span: $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
+ // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(u16, u16) -> u16 {unchecked_shl::<u16>}, val: Value(<ZST>) }
+ }
+
+ bb2: {
+ StorageDead(_5); // scope 2 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
StorageDead(_4); // scope 0 at $DIR/unchecked_shifts.rs:+1:22: +1:23
StorageDead(_3); // scope 0 at $DIR/unchecked_shifts.rs:+1:22: +1:23
return; // scope 0 at $DIR/unchecked_shifts.rs:+2:2: +2:2
+ }
+
+ bb2: {
+ _9 = Result::<u16, TryFromIntError>::Err(const TryFromIntError(())); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ // mir::Constant
+ // + span: no-location
+ // + literal: Const { ty: TryFromIntError, val: Value(<ZST>) }
+ goto -> bb4; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ }
+
+ bb3: {
+ StorageLive(_12); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ _12 = _7 as u16 (IntToInt); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ _9 = Result::<u16, TryFromIntError>::Ok(move _12); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ StorageDead(_12); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ goto -> bb4; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ }
+
+ bb4: {
+ StorageDead(_10); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ StorageLive(_14); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ _13 = discriminant(_9); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ switchInt(move _13) -> [0: bb7, 1: bb5, otherwise: bb6]; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ }
+
+ bb5: {
+ _8 = Option::<u16>::None; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ goto -> bb8; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ }
+
+ bb6: {
+ unreachable; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ }
+
+ bb7: {
+ _14 = move ((_9 as Ok).0: u16); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ _8 = Option::<u16>::Some(move _14); // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
+ goto -> bb8; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ }
+
+ bb8: {
+ StorageDead(_14); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageDead(_9); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageLive(_15); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ _16 = discriminant(_8); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+ switchInt(move _16) -> [1: bb9, otherwise: bb6]; // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+ }
+
+ bb9: {
+ _5 = move ((_8 as Some).0: u16); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+ StorageDead(_15); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageDead(_8); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageDead(_7); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageDead(_6); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ _0 = unchecked_shl::<u16>(_3, move _5) -> [return: bb1, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
+ // mir::Constant
+ // + span: $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
+ // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(u16, u16) -> u16 {unchecked_shl::<u16>}, val: Value(<ZST>) }
}
}

120
tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.mir
View File

@ -9,51 +9,7 @@ fn unchecked_shl_unsigned_smaller(_1: u16, _2: u32) -> u16 {
debug rhs => _2; // in scope 1 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
let mut _3: u16; // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
let mut _4: (u32,); // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
let mut _5: u32; // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
scope 2 {
scope 3 (inlined core::num::<impl u16>::unchecked_shl::conv) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
debug x => _5; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
let mut _6: std::option::Option<u16>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
let mut _7: std::result::Result<u16, std::num::TryFromIntError>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
scope 4 {
scope 5 (inlined <u32 as TryInto<u16>>::try_into) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
debug self => _5; // in scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
scope 6 (inlined convert::num::<impl TryFrom<u32> for u16>::try_from) { // at $SRC_DIR/core/src/convert/mod.rs:LL:COL
debug u => _5; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
let mut _8: bool; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
let mut _9: u32; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
let mut _10: u16; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
}
}
scope 7 (inlined Result::<u16, TryFromIntError>::ok) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
debug self => _7; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
let mut _11: isize; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
let _12: u16; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
scope 8 {
debug x => _12; // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
}
}
scope 9 (inlined #[track_caller] Option::<u16>::unwrap_unchecked) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
debug self => _6; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
let mut _13: &std::option::Option<u16>; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
let mut _14: isize; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
scope 10 {
debug val => _3; // in scope 10 at $SRC_DIR/core/src/option.rs:LL:COL
}
scope 11 {
scope 13 (inlined unreachable_unchecked) { // at $SRC_DIR/core/src/option.rs:LL:COL
scope 14 {
scope 15 (inlined unreachable_unchecked::runtime) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
}
}
}
}
scope 12 (inlined Option::<u16>::is_some) { // at $SRC_DIR/core/src/option.rs:LL:COL
debug self => _13; // in scope 12 at $SRC_DIR/core/src/option.rs:LL:COL
}
}
}
}
}
}
@ -61,78 +17,22 @@ fn unchecked_shl_unsigned_smaller(_1: u16, _2: u32) -> u16 {
StorageLive(_3); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_4); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
_4 = (_2,); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_5); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
_5 = move (_4.0: u32); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_6); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_7); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_8); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
StorageLive(_9); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
_9 = const 65535_u32; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
_8 = Gt(_5, move _9); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
StorageDead(_9); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
switchInt(move _8) -> [0: bb3, otherwise: bb2]; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
_3 = core::num::<impl u16>::unchecked_shl::conv(move (_4.0: u32)) -> bb1; // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/core/src/num/mod.rs:LL:COL
// + literal: Const { ty: fn(u32) -> u16 {core::num::<impl u16>::unchecked_shl::conv}, val: Value(<ZST>) }
}
bb1: {
StorageDead(_3); // scope 2 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
return; // scope 0 at $DIR/unchecked_shifts.rs:+2:2: +2:2
}
bb2: {
_7 = Result::<u16, TryFromIntError>::Err(const TryFromIntError(())); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
// mir::Constant
// + span: no-location
// + literal: Const { ty: TryFromIntError, val: Value(<ZST>) }
goto -> bb4; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
}
bb3: {
StorageLive(_10); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
_10 = _5 as u16 (IntToInt); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
_7 = Result::<u16, TryFromIntError>::Ok(move _10); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
StorageDead(_10); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
goto -> bb4; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
}
bb4: {
StorageDead(_8); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
StorageLive(_12); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
_11 = discriminant(_7); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
switchInt(move _11) -> [0: bb7, 1: bb5, otherwise: bb6]; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb5: {
_6 = Option::<u16>::None; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
goto -> bb8; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb6: {
unreachable; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb7: {
_12 = move ((_7 as Ok).0: u16); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
_6 = Option::<u16>::Some(move _12); // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
goto -> bb8; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb8: {
StorageDead(_12); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageDead(_7); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_13); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
_14 = discriminant(_6); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
switchInt(move _14) -> [1: bb9, otherwise: bb6]; // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
}
bb9: {
_3 = move ((_6 as Some).0: u16); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
StorageDead(_13); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageDead(_6); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageDead(_5); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageDead(_4); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
_0 = unchecked_shl::<u16>(_1, move _3) -> [return: bb1, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
_0 = unchecked_shl::<u16>(_1, move _3) -> [return: bb2, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
// + literal: Const { ty: unsafe extern "rust-intrinsic" fn(u16, u16) -> u16 {unchecked_shl::<u16>}, val: Value(<ZST>) }
}
bb2: {
StorageDead(_3); // scope 2 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
return; // scope 0 at $DIR/unchecked_shifts.rs:+2:2: +2:2
}
}

129
tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_smaller.Inline.diff
View File

@ -12,51 +12,7 @@
+ debug rhs => _4; // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
+ let mut _5: i16; // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ let mut _6: (u32,); // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ let mut _7: u32; // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ scope 2 {
+ scope 3 (inlined core::num::<impl i16>::unchecked_shr::conv) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ debug x => _7; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ let mut _8: std::option::Option<i16>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ let mut _9: std::result::Result<i16, std::num::TryFromIntError>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ scope 4 {
+ scope 5 (inlined <u32 as TryInto<i16>>::try_into) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ debug self => _7; // in scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
+ scope 6 (inlined convert::num::<impl TryFrom<u32> for i16>::try_from) { // at $SRC_DIR/core/src/convert/mod.rs:LL:COL
+ debug u => _7; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ let mut _10: bool; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ let mut _11: u32; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ let mut _12: i16; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ }
+ }
+ scope 7 (inlined Result::<i16, TryFromIntError>::ok) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ debug self => _9; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ let mut _13: isize; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ let _14: i16; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ scope 8 {
+ debug x => _14; // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
+ }
+ }
+ scope 9 (inlined #[track_caller] Option::<i16>::unwrap_unchecked) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ debug self => _8; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+ let mut _15: &std::option::Option<i16>; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+ let mut _16: isize; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+ scope 10 {
+ debug val => _5; // in scope 10 at $SRC_DIR/core/src/option.rs:LL:COL
+ }
+ scope 11 {
+ scope 13 (inlined unreachable_unchecked) { // at $SRC_DIR/core/src/option.rs:LL:COL
+ scope 14 {
+ scope 15 (inlined unreachable_unchecked::runtime) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
+ }
+ }
+ }
+ }
+ scope 12 (inlined Option::<i16>::is_some) { // at $SRC_DIR/core/src/option.rs:LL:COL
+ debug self => _15; // in scope 12 at $SRC_DIR/core/src/option.rs:LL:COL
+ }
+ }
+ }
+ }
+ }
+ }
@ -66,87 +22,30 @@
StorageLive(_4); // scope 0 at $DIR/unchecked_shifts.rs:+1:21: +1:22
_4 = _2; // scope 0 at $DIR/unchecked_shifts.rs:+1:21: +1:22
- _0 = core::num::<impl i16>::unchecked_shr(move _3, move _4) -> bb1; // scope 0 at $DIR/unchecked_shifts.rs:+1:5: +1:23
- // mir::Constant
- // + span: $DIR/unchecked_shifts.rs:17:7: 17:20
- // + literal: Const { ty: unsafe fn(i16, u32) -> i16 {core::num::<impl i16>::unchecked_shr}, val: Value(<ZST>) }
+ StorageLive(_5); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageLive(_6); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ _6 = (_4,); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageLive(_7); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ _7 = move (_6.0: u32); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageLive(_8); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageLive(_9); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageLive(_10); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ StorageLive(_11); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ _11 = const 32767_u32; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ _10 = Gt(_7, move _11); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ StorageDead(_11); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ switchInt(move _10) -> [0: bb3, otherwise: bb2]; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ _5 = core::num::<impl i16>::unchecked_shr::conv(move (_6.0: u32)) -> bb1; // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
// mir::Constant
- // + span: $DIR/unchecked_shifts.rs:17:7: 17:20
- // + literal: Const { ty: unsafe fn(i16, u32) -> i16 {core::num::<impl i16>::unchecked_shr}, val: Value(<ZST>) }
+ // + span: $SRC_DIR/core/src/num/mod.rs:LL:COL
+ // + literal: Const { ty: fn(u32) -> i16 {core::num::<impl i16>::unchecked_shr::conv}, val: Value(<ZST>) }
}
bb1: {
+ StorageDead(_6); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ _0 = unchecked_shr::<i16>(_3, move _5) -> [return: bb2, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
+ // mir::Constant
+ // + span: $SRC_DIR/core/src/num/int_macros.rs:LL:COL
+ // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(i16, i16) -> i16 {unchecked_shr::<i16>}, val: Value(<ZST>) }
+ }
+
+ bb2: {
+ StorageDead(_5); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
StorageDead(_4); // scope 0 at $DIR/unchecked_shifts.rs:+1:22: +1:23
StorageDead(_3); // scope 0 at $DIR/unchecked_shifts.rs:+1:22: +1:23
return; // scope 0 at $DIR/unchecked_shifts.rs:+2:2: +2:2
+ }
+
+ bb2: {
+ _9 = Result::<i16, TryFromIntError>::Err(const TryFromIntError(())); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ // mir::Constant
+ // + span: no-location
+ // + literal: Const { ty: TryFromIntError, val: Value(<ZST>) }
+ goto -> bb4; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ }
+
+ bb3: {
+ StorageLive(_12); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ _12 = _7 as i16 (IntToInt); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ _9 = Result::<i16, TryFromIntError>::Ok(move _12); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ StorageDead(_12); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ goto -> bb4; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ }
+
+ bb4: {
+ StorageDead(_10); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
+ StorageLive(_14); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ _13 = discriminant(_9); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ switchInt(move _13) -> [0: bb7, 1: bb5, otherwise: bb6]; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ }
+
+ bb5: {
+ _8 = Option::<i16>::None; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ goto -> bb8; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ }
+
+ bb6: {
+ unreachable; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ }
+
+ bb7: {
+ _14 = move ((_9 as Ok).0: i16); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ _8 = Option::<i16>::Some(move _14); // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
+ goto -> bb8; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+ }
+
+ bb8: {
+ StorageDead(_14); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageDead(_9); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageLive(_15); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ _16 = discriminant(_8); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+ switchInt(move _16) -> [1: bb9, otherwise: bb6]; // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+ }
+
+ bb9: {
+ _5 = move ((_8 as Some).0: i16); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
+ StorageDead(_15); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageDead(_8); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageDead(_7); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ StorageDead(_6); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
+ _0 = unchecked_shr::<i16>(_3, move _5) -> [return: bb1, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
+ // mir::Constant
+ // + span: $SRC_DIR/core/src/num/int_macros.rs:LL:COL
+ // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(i16, i16) -> i16 {unchecked_shr::<i16>}, val: Value(<ZST>) }
}
}

120
tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_smaller.PreCodegen.after.mir
View File

@ -9,51 +9,7 @@ fn unchecked_shr_signed_smaller(_1: i16, _2: u32) -> i16 {
debug rhs => _2; // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
let mut _3: i16; // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
let mut _4: (u32,); // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
let mut _5: u32; // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL
scope 2 {
scope 3 (inlined core::num::<impl i16>::unchecked_shr::conv) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
debug x => _5; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
let mut _6: std::option::Option<i16>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
let mut _7: std::result::Result<i16, std::num::TryFromIntError>; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL
scope 4 {
scope 5 (inlined <u32 as TryInto<i16>>::try_into) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
debug self => _5; // in scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
scope 6 (inlined convert::num::<impl TryFrom<u32> for i16>::try_from) { // at $SRC_DIR/core/src/convert/mod.rs:LL:COL
debug u => _5; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
let mut _8: bool; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
let mut _9: u32; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
let mut _10: i16; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
}
}
scope 7 (inlined Result::<i16, TryFromIntError>::ok) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
debug self => _7; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
let mut _11: isize; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
let _12: i16; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
scope 8 {
debug x => _12; // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
}
}
scope 9 (inlined #[track_caller] Option::<i16>::unwrap_unchecked) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL
debug self => _6; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
let mut _13: &std::option::Option<i16>; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
let mut _14: isize; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
scope 10 {
debug val => _3; // in scope 10 at $SRC_DIR/core/src/option.rs:LL:COL
}
scope 11 {
scope 13 (inlined unreachable_unchecked) { // at $SRC_DIR/core/src/option.rs:LL:COL
scope 14 {
scope 15 (inlined unreachable_unchecked::runtime) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
}
}
}
}
scope 12 (inlined Option::<i16>::is_some) { // at $SRC_DIR/core/src/option.rs:LL:COL
debug self => _13; // in scope 12 at $SRC_DIR/core/src/option.rs:LL:COL
}
}
}
}
}
}
@ -61,78 +17,22 @@ fn unchecked_shr_signed_smaller(_1: i16, _2: u32) -> i16 {
StorageLive(_3); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_4); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
_4 = (_2,); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_5); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
_5 = move (_4.0: u32); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_6); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_7); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_8); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
StorageLive(_9); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
_9 = const 32767_u32; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
_8 = Gt(_5, move _9); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
StorageDead(_9); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
switchInt(move _8) -> [0: bb3, otherwise: bb2]; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
_3 = core::num::<impl i16>::unchecked_shr::conv(move (_4.0: u32)) -> bb1; // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/core/src/num/mod.rs:LL:COL
// + literal: Const { ty: fn(u32) -> i16 {core::num::<impl i16>::unchecked_shr::conv}, val: Value(<ZST>) }
}
bb1: {
StorageDead(_3); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
return; // scope 0 at $DIR/unchecked_shifts.rs:+2:2: +2:2
}
bb2: {
_7 = Result::<i16, TryFromIntError>::Err(const TryFromIntError(())); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
// mir::Constant
// + span: no-location
// + literal: Const { ty: TryFromIntError, val: Value(<ZST>) }
goto -> bb4; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
}
bb3: {
StorageLive(_10); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
_10 = _5 as i16 (IntToInt); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
_7 = Result::<i16, TryFromIntError>::Ok(move _10); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
StorageDead(_10); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
goto -> bb4; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
}
bb4: {
StorageDead(_8); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL
StorageLive(_12); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
_11 = discriminant(_7); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
switchInt(move _11) -> [0: bb7, 1: bb5, otherwise: bb6]; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb5: {
_6 = Option::<i16>::None; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
goto -> bb8; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb6: {
unreachable; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb7: {
_12 = move ((_7 as Ok).0: i16); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
_6 = Option::<i16>::Some(move _12); // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
goto -> bb8; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb8: {
StorageDead(_12); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageDead(_7); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageLive(_13); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
_14 = discriminant(_6); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
switchInt(move _14) -> [1: bb9, otherwise: bb6]; // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
}
bb9: {
_3 = move ((_6 as Some).0: i16); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL
StorageDead(_13); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageDead(_6); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageDead(_5); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
StorageDead(_4); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL
_0 = unchecked_shr::<i16>(_1, move _3) -> [return: bb1, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
_0 = unchecked_shr::<i16>(_1, move _3) -> [return: bb2, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/core/src/num/int_macros.rs:LL:COL
// + literal: Const { ty: unsafe extern "rust-intrinsic" fn(i16, i16) -> i16 {unchecked_shr::<i16>}, val: Value(<ZST>) }
}
bb2: {
StorageDead(_3); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
return; // scope 0 at $DIR/unchecked_shifts.rs:+2:2: +2:2
}
}

8
tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.Inline.diff
View File

@ -9,8 +9,9 @@
+ debug self => _2; // in scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
+ let mut _3: &std::option::Option<T>; // in scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
+ let mut _4: isize; // in scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
+ let _5: T; // in scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
+ scope 2 {
+ debug val => _0; // in scope 2 at $SRC_DIR/core/src/option.rs:LL:COL
+ debug val => _5; // in scope 2 at $SRC_DIR/core/src/option.rs:LL:COL
+ }
+ scope 3 {
+ scope 5 (inlined unreachable_unchecked) { // at $SRC_DIR/core/src/option.rs:LL:COL
@ -46,7 +47,10 @@
- bb2 (cleanup): {
- resume; // scope 0 at $DIR/unwrap_unchecked.rs:+0:1: +2:2
+ bb2: {
+ _0 = move ((_2 as Some).0: T); // scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
+ StorageLive(_5); // scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
+ _5 = move ((_2 as Some).0: T); // scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
+ _0 = move _5; // scope 2 at $SRC_DIR/core/src/option.rs:LL:COL
+ StorageDead(_5); // scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
+ StorageDead(_3); // scope 0 at $DIR/unwrap_unchecked.rs:+1:9: +1:27
+ StorageDead(_2); // scope 0 at $DIR/unwrap_unchecked.rs:+1:26: +1:27
+ return; // scope 0 at $DIR/unwrap_unchecked.rs:+2:2: +2:2

8
tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.PreCodegen.after.mir
View File

@ -7,8 +7,9 @@ fn unwrap_unchecked(_1: Option<T>) -> T {
debug self => _1; // in scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
let mut _2: &std::option::Option<T>; // in scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
let mut _3: isize; // in scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
let _4: T; // in scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
scope 2 {
debug val => _0; // in scope 2 at $SRC_DIR/core/src/option.rs:LL:COL
debug val => _4; // in scope 2 at $SRC_DIR/core/src/option.rs:LL:COL
}
scope 3 {
scope 5 (inlined unreachable_unchecked) { // at $SRC_DIR/core/src/option.rs:LL:COL
@ -34,7 +35,10 @@ fn unwrap_unchecked(_1: Option<T>) -> T {
}
bb2: {
_0 = move ((_1 as Some).0: T); // scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
StorageLive(_4); // scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
_4 = move ((_1 as Some).0: T); // scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
_0 = move _4; // scope 2 at $SRC_DIR/core/src/option.rs:LL:COL
StorageDead(_4); // scope 1 at $SRC_DIR/core/src/option.rs:LL:COL
StorageDead(_2); // scope 0 at $DIR/unwrap_unchecked.rs:+1:9: +1:27
return; // scope 0 at $DIR/unwrap_unchecked.rs:+2:2: +2:2
}

22
tests/mir-opt/nrvo_miscompile_111005.rs Normal file
View File

@ -0,0 +1,22 @@
// This is a miscompilation, #111005 to track
// unit-test: RenameReturnPlace
#![feature(custom_mir, core_intrinsics)]
extern crate core;
use core::intrinsics::mir::*;
// EMIT_MIR nrvo_miscompile_111005.wrong.RenameReturnPlace.diff
#[custom_mir(dialect = "runtime", phase = "initial")]
pub fn wrong(arg: char) -> char {
mir!({
let temp = arg;
RET = temp;
temp = 'b';
Return()
})
}
fn main() {
assert_eq!(wrong('a'), 'a');
}

18
tests/mir-opt/nrvo_miscompile_111005.wrong.RenameReturnPlace.diff Normal file
View File

@ -0,0 +1,18 @@
- // MIR for `wrong` before RenameReturnPlace
+ // MIR for `wrong` after RenameReturnPlace
fn wrong(_1: char) -> char {
- let mut _0: char; // return place in scope 0 at $DIR/nrvo_miscompile_111005.rs:+0:28: +0:32
+ let mut _0: char; // return place in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
let mut _2: char; // in scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
bb0: {
- _2 = _1; // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
- _0 = _2; // scope 0 at $DIR/nrvo_miscompile_111005.rs:+3:9: +3:19
- _2 = const 'b'; // scope 0 at $DIR/nrvo_miscompile_111005.rs:+4:9: +4:19
+ _0 = _1; // scope 0 at $SRC_DIR/core/src/intrinsics/mir.rs:LL:COL
+ _0 = const 'b'; // scope 0 at $DIR/nrvo_miscompile_111005.rs:+4:9: +4:19
return; // scope 0 at $DIR/nrvo_miscompile_111005.rs:+5:9: +5:17
}
}

10
tests/mir-opt/pre-codegen/mem_replace.manual_replace.PreCodegen.after.mir
View File

@ -3,14 +3,18 @@
fn manual_replace(_1: &mut u32, _2: u32) -> u32 {
debug r => _1; // in scope 0 at $DIR/mem_replace.rs:+0:23: +0:24
debug v => _2; // in scope 0 at $DIR/mem_replace.rs:+0:36: +0:37
let mut _0: u32; // return place in scope 0 at $DIR/mem_replace.rs:+1:9: +1:13
let mut _0: u32; // return place in scope 0 at $DIR/mem_replace.rs:+0:47: +0:50
let _3: u32; // in scope 0 at $DIR/mem_replace.rs:+1:9: +1:13
scope 1 {
debug temp => _0; // in scope 1 at $DIR/mem_replace.rs:+1:9: +1:13
debug temp => _3; // in scope 1 at $DIR/mem_replace.rs:+1:9: +1:13
}
bb0: {
_0 = (*_1); // scope 0 at $DIR/mem_replace.rs:+1:16: +1:18
StorageLive(_3); // scope 0 at $DIR/mem_replace.rs:+1:9: +1:13
_3 = (*_1); // scope 0 at $DIR/mem_replace.rs:+1:16: +1:18
(*_1) = _2; // scope 1 at $DIR/mem_replace.rs:+2:5: +2:11
_0 = _3; // scope 1 at $DIR/mem_replace.rs:+3:5: +3:9
StorageDead(_3); // scope 0 at $DIR/mem_replace.rs:+4:1: +4:2
return; // scope 0 at $DIR/mem_replace.rs:+4:2: +4:2
}
}

42
tests/mir-opt/pre-codegen/mem_replace.mem_replace.PreCodegen.after.mir
View File

@ -7,28 +7,29 @@ fn mem_replace(_1: &mut u32, _2: u32) -> u32 {
scope 1 (inlined std::mem::replace::<u32>) { // at $DIR/mem_replace.rs:16:5: 16:28
debug dest => _1; // in scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
debug src => _2; // in scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
let mut _3: *const u32; // in scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
let mut _4: *mut u32; // in scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
let mut _4: *const u32; // in scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
let mut _5: *mut u32; // in scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
scope 2 {
let _3: u32; // in scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
scope 3 {
debug result => _0; // in scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
debug result => _3; // in scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
scope 7 (inlined std::ptr::write::<u32>) { // at $SRC_DIR/core/src/mem/mod.rs:LL:COL
debug dst => _4; // in scope 7 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
debug dst => _5; // in scope 7 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
debug src => _2; // in scope 7 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
let mut _6: *mut u32; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
let mut _7: *mut u32; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
scope 8 {
scope 9 (inlined std::ptr::write::runtime::<u32>) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
debug dst => _6; // in scope 9 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
debug dst => _7; // in scope 9 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
}
}
}
}
scope 4 (inlined std::ptr::read::<u32>) { // at $SRC_DIR/core/src/mem/mod.rs:LL:COL
debug src => _3; // in scope 4 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
let mut _5: *const u32; // in scope 4 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
debug src => _4; // in scope 4 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
let mut _6: *const u32; // in scope 4 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
scope 5 {
scope 6 (inlined std::ptr::read::runtime::<u32>) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
debug src => _5; // in scope 6 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
debug src => _6; // in scope 6 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
}
}
}
@ -37,17 +38,20 @@ fn mem_replace(_1: &mut u32, _2: u32) -> u32 {
bb0: {
StorageLive(_3); // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
_3 = &raw const (*_1); // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
StorageLive(_5); // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
_0 = (*_3); // scope 5 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
StorageDead(_5); // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
StorageLive(_4); // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
_4 = &raw const (*_1); // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
StorageLive(_6); // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
_3 = (*_4); // scope 5 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
StorageDead(_6); // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
StorageDead(_4); // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
StorageLive(_5); // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
_5 = &raw mut (*_1); // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
StorageLive(_7); // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
(*_5) = _2; // scope 8 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
StorageDead(_7); // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
StorageDead(_5); // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
_0 = move _3; // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
StorageDead(_3); // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
StorageLive(_4); // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
_4 = &raw mut (*_1); // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
StorageLive(_6); // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
(*_4) = _2; // scope 8 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
StorageDead(_6); // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
StorageDead(_4); // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
return; // scope 0 at $DIR/mem_replace.rs:+2:2: +2:2
}
}

124
tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir
View File

@ -3,66 +3,67 @@
fn slice_get_unchecked_mut_range(_1: &mut [u32], _2: std::ops::Range<usize>) -> &mut [u32] {
debug slice => _1; // in scope 0 at $DIR/slice_index.rs:+0:45: +0:50
debug index => _2; // in scope 0 at $DIR/slice_index.rs:+0:64: +0:69
let mut _0: &mut [u32]; // return place in scope 0 at $DIR/slice_index.rs:+1:5: +1:35
let mut _0: &mut [u32]; // return place in scope 0 at $DIR/slice_index.rs:+0:88: +0:98
scope 1 (inlined core::slice::<impl [u32]>::get_unchecked_mut::<std::ops::Range<usize>>) { // at $DIR/slice_index.rs:26:11: 26:35
debug self => _1; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
debug index => _2; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
let mut _3: *mut [u32]; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
let mut _3: &mut [u32]; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
let mut _4: *mut [u32]; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
let mut _5: *mut [u32]; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
scope 2 {
scope 3 (inlined <std::ops::Range<usize> as SliceIndex<[u32]>>::get_unchecked_mut) { // at $SRC_DIR/core/src/slice/mod.rs:LL:COL
debug self => _2; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
debug slice => _4; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
let _5: std::ops::Range<usize>; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
let mut _7: usize; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
debug slice => _5; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
let _6: std::ops::Range<usize>; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
let mut _8: usize; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
let mut _9: *mut u32; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
let mut _9: usize; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
let mut _10: *mut u32; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
let mut _11: usize; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
let mut _11: *mut u32; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
let mut _12: usize; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
let mut _13: std::ops::Range<usize>; // in scope 3 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
let mut _14: *mut [u32]; // in scope 3 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
let mut _13: usize; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
let mut _14: std::ops::Range<usize>; // in scope 3 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
let mut _15: *mut [u32]; // in scope 3 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
scope 4 {
debug this => _5; // in scope 4 at $SRC_DIR/core/src/slice/index.rs:LL:COL
debug this => _6; // in scope 4 at $SRC_DIR/core/src/slice/index.rs:LL:COL
scope 5 {
let _6: usize; // in scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
let _7: usize; // in scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
scope 6 {
debug new_len => _6; // in scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
debug new_len => _7; // in scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
scope 11 (inlined ptr::mut_ptr::<impl *mut [u32]>::as_mut_ptr) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL
debug self => _4; // in scope 11 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
debug self => _5; // in scope 11 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
}
scope 12 (inlined ptr::mut_ptr::<impl *mut u32>::add) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL
debug self => _10; // in scope 12 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
debug count => _11; // in scope 12 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
debug self => _11; // in scope 12 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
debug count => _12; // in scope 12 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
scope 13 {
}
}
scope 14 (inlined slice_from_raw_parts_mut::<u32>) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL
debug data => _9; // in scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
debug len => _12; // in scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
let mut _16: *mut (); // in scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
debug data => _10; // in scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
debug len => _13; // in scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
scope 15 (inlined ptr::mut_ptr::<impl *mut u32>::cast::<()>) { // at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
debug self => _9; // in scope 15 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
debug self => _10; // in scope 15 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
let mut _17: *mut (); // in scope 15 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
}
scope 16 (inlined std::ptr::from_raw_parts_mut::<[u32]>) { // at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
debug data_address => _16; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
debug metadata => _12; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
let mut _17: std::ptr::metadata::PtrRepr<[u32]>; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
let mut _18: std::ptr::metadata::PtrComponents<[u32]>; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
let mut _19: *const (); // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
debug data_address => _17; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
debug metadata => _13; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
let mut _18: std::ptr::metadata::PtrRepr<[u32]>; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
let mut _19: std::ptr::metadata::PtrComponents<[u32]>; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
let mut _20: *const (); // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
scope 17 {
}
}
}
}
scope 7 (inlined <std::ops::Range<usize> as SliceIndex<[T]>>::get_unchecked_mut::runtime::<u32>) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
debug this => _13; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
debug slice => _14; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
debug this => _14; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
debug slice => _15; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
scope 8 (inlined ptr::mut_ptr::<impl *mut [u32]>::len) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL
debug self => _14; // in scope 8 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
let mut _15: *const [u32]; // in scope 8 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
debug self => _15; // in scope 8 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
let mut _16: *const [u32]; // in scope 8 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
scope 9 (inlined std::ptr::metadata::<[u32]>) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
debug ptr => _15; // in scope 9 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
debug ptr => _16; // in scope 9 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
scope 10 {
}
}
@ -75,60 +76,61 @@ fn slice_get_unchecked_mut_range(_1: &mut [u32], _2: std::ops::Range<usize>) ->
}
bb0: {
StorageLive(_3); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
StorageLive(_4); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
_4 = &raw mut (*_1); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
StorageLive(_5); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
StorageLive(_13); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
_5 = &raw mut (*_1); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
StorageLive(_6); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
StorageLive(_14); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
StorageLive(_15); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
StorageLive(_6); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageLive(_16); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
StorageLive(_7); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
_7 = (_2.1: usize); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageLive(_8); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
_8 = (_2.0: usize); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
_6 = unchecked_sub::<usize>(move _7, move _8) -> [return: bb1, unwind unreachable]; // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
_8 = (_2.1: usize); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageLive(_9); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
_9 = (_2.0: usize); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
_7 = unchecked_sub::<usize>(move _8, move _9) -> [return: bb1, unwind unreachable]; // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/core/src/slice/index.rs:LL:COL
// + literal: Const { ty: unsafe extern "rust-intrinsic" fn(usize, usize) -> usize {unchecked_sub::<usize>}, val: Value(<ZST>) }
}
bb1: {
StorageDead(_9); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageDead(_8); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageDead(_7); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageLive(_9); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageLive(_10); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
_10 = _4 as *mut u32 (PtrToPtr); // scope 11 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
StorageLive(_11); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
_11 = (_2.0: usize); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
_9 = Offset(_10, _11); // scope 13 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
StorageDead(_11); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageDead(_10); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
_11 = _5 as *mut u32 (PtrToPtr); // scope 11 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
StorageLive(_12); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
_12 = _6; // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageLive(_16); // scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
_16 = _9 as *mut () (PtrToPtr); // scope 15 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
StorageLive(_17); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
_12 = (_2.0: usize); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
_10 = Offset(_11, _12); // scope 13 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
StorageDead(_12); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageDead(_11); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageLive(_13); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
_13 = _7; // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageLive(_17); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
_17 = _10 as *mut () (PtrToPtr); // scope 15 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
StorageLive(_18); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
StorageLive(_19); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
_19 = _16 as *const () (Pointer(MutToConstPointer)); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
_18 = ptr::metadata::PtrComponents::<[u32]> { data_address: move _19, metadata: _12 }; // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
StorageLive(_20); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
_20 = _17 as *const () (Pointer(MutToConstPointer)); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
_19 = ptr::metadata::PtrComponents::<[u32]> { data_address: move _20, metadata: _13 }; // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
StorageDead(_20); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
_18 = ptr::metadata::PtrRepr::<[u32]> { const_ptr: move _19 }; // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
StorageDead(_19); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
_17 = ptr::metadata::PtrRepr::<[u32]> { const_ptr: move _18 }; // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
StorageDead(_18); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
_3 = (_17.1: *mut [u32]); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
StorageDead(_17); // scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
StorageDead(_16); // scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
StorageDead(_12); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageDead(_9); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageDead(_6); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
_4 = (_18.1: *mut [u32]); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
StorageDead(_18); // scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
StorageDead(_17); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageDead(_13); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageDead(_10); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageDead(_7); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageDead(_16); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
StorageDead(_15); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
StorageDead(_14); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
StorageDead(_13); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
StorageDead(_6); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
StorageDead(_5); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
StorageDead(_4); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
_0 = &mut (*_3); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
StorageDead(_3); // scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
_3 = &mut (*_4); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
StorageDead(_4); // scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
_0 = _3; // scope 0 at $DIR/slice_index.rs:+1:5: +1:35
return; // scope 0 at $DIR/slice_index.rs:+2:2: +2:2
}
}

10
tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.mir
View File

@ -3,24 +3,26 @@
fn slice_index_range(_1: &[u32], _2: std::ops::Range<usize>) -> &[u32] {
debug slice => _1; // in scope 0 at $DIR/slice_index.rs:+0:26: +0:31
debug index => _2; // in scope 0 at $DIR/slice_index.rs:+0:41: +0:46
let mut _0: &[u32]; // return place in scope 0 at $DIR/slice_index.rs:+1:5: +1:18
let mut _0: &[u32]; // return place in scope 0 at $DIR/slice_index.rs:+0:65: +0:71
let _3: &[u32]; // in scope 0 at $DIR/slice_index.rs:+1:6: +1:18
scope 1 (inlined #[track_caller] core::slice::index::<impl Index<std::ops::Range<usize>> for [u32]>::index) { // at $DIR/slice_index.rs:21:6: 21:18
debug self => _1; // in scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
debug index => _2; // in scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
let _4: &[u32]; // in scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
}
bb0: {
StorageLive(_3); // scope 0 at $DIR/slice_index.rs:+1:6: +1:18
_3 = <std::ops::Range<usize> as SliceIndex<[u32]>>::index(move _2, _1) -> bb1; // scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageLive(_4); // scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
_4 = <std::ops::Range<usize> as SliceIndex<[u32]>>::index(move _2, _1) -> bb1; // scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/core/src/slice/index.rs:LL:COL
// + literal: Const { ty: for<'a> fn(std::ops::Range<usize>, &'a [u32]) -> &'a <std::ops::Range<usize> as SliceIndex<[u32]>>::Output {<std::ops::Range<usize> as SliceIndex<[u32]>>::index}, val: Value(<ZST>) }
}
bb1: {
_3 = _4; // scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
StorageDead(_4); // scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL
_0 = _3; // scope 0 at $DIR/slice_index.rs:+1:5: +1:18
StorageDead(_3); // scope 0 at $DIR/slice_index.rs:+2:1: +2:2
return; // scope 0 at $DIR/slice_index.rs:+2:2: +2:2
}
}