mirror of https://github.com/rust-lang/rust.git
23 lines
578 B
Rust
23 lines
578 B
Rust
//@ test-mir-pass: GVN
|
|
//@ compile-flags: -Zmir-enable-passes=+SimplifyConstCondition-after-const-prop
|
|
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
|
|
|
|
#[inline(never)]
|
|
fn foo(_: i32) {}
|
|
|
|
// EMIT_MIR switch_int.main.GVN.diff
|
|
// EMIT_MIR switch_int.main.SimplifyConstCondition-after-const-prop.diff
|
|
fn main() {
|
|
// CHECK-LABEL: fn main(
|
|
// CHECK: bb0: {
|
|
// CHECK-NOT: switchInt(
|
|
// CHECK: goto -> [[bb:bb.*]];
|
|
// CHECK: [[bb]]: {
|
|
// CHECK-NOT: _0 = foo(const -1_i32)
|
|
// CHECK: _0 = foo(const 0_i32)
|
|
match 1 {
|
|
1 => foo(0),
|
|
_ => foo(-1),
|
|
}
|
|
}
|