Temporarily revert r257105 "[Verifier] Check that debug values have proper size"

Looks like there's a case where clang generates debug info that triggers
the new verifier check. Reverting while investigating.

llvm-svn: 257107
This commit is contained in:
Keno Fischer 2016-01-07 22:39:11 +00:00
parent 6e8526358f
commit ea33a25816
27 changed files with 181 additions and 246 deletions

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@ -21,6 +21,7 @@
//
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/Passes.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/DepthFirstIterator.h"
#include "llvm/ADT/PostOrderIterator.h"
@ -39,7 +40,6 @@
#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/CodeGen/SlotIndexes.h"
#include "llvm/CodeGen/StackProtector.h"
@ -47,7 +47,6 @@
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
@ -495,21 +494,10 @@ void StackColoring::remapInstructions(DenseMap<int, int> &SlotRemap) {
// upcoming replacement.
SP->adjustForColoring(From, To);
// The new alloca might not be valid in a llvm.dbg.declare for this
// variable, so undef out the use to make the verifier happy.
AllocaInst *FromAI = const_cast<AllocaInst *>(From);
if (FromAI->isUsedByMetadata())
ValueAsMetadata::handleRAUW(FromAI, UndefValue::get(FromAI->getType()));
for (auto &Use : FromAI->uses()) {
if (BitCastInst *BCI = dyn_cast<BitCastInst>(Use.get()))
if (BCI->isUsedByMetadata())
ValueAsMetadata::handleRAUW(BCI, UndefValue::get(BCI->getType()));
}
// Note that this will not replace uses in MMOs (which we'll update below),
// or anywhere else (which is why we won't delete the original
// instruction).
FromAI->replaceAllUsesWith(Inst);
const_cast<AllocaInst *>(From)->replaceAllUsesWith(Inst);
}
// Remap all instructions to the new stack slots.

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@ -432,7 +432,8 @@ private:
// Module-level debug info verification...
void verifyTypeRefs();
template <class MapTy>
void verifyDIExpression(const DbgInfoIntrinsic &I, const MapTy &TypeRefs);
void verifyBitPieceExpression(const DbgInfoIntrinsic &I,
const MapTy &TypeRefs);
void visitUnresolvedTypeRef(const MDString *S, const MDNode *N);
};
} // End anonymous namespace
@ -3853,34 +3854,15 @@ static uint64_t getVariableSize(const DILocalVariable &V, const MapTy &Map) {
}
template <class MapTy>
void Verifier::verifyDIExpression(const DbgInfoIntrinsic &I,
const MapTy &TypeRefs) {
void Verifier::verifyBitPieceExpression(const DbgInfoIntrinsic &I,
const MapTy &TypeRefs) {
DILocalVariable *V;
DIExpression *E;
const Value *Arg;
uint64_t ArgumentTypeSizeInBits = 0;
if (auto *DVI = dyn_cast<DbgValueInst>(&I)) {
Arg = DVI->getValue();
if (Arg)
ArgumentTypeSizeInBits =
M->getDataLayout().getTypeAllocSizeInBits(Arg->getType());
V = dyn_cast_or_null<DILocalVariable>(DVI->getRawVariable());
E = dyn_cast_or_null<DIExpression>(DVI->getRawExpression());
} else {
auto *DDI = cast<DbgDeclareInst>(&I);
// For declare intrinsics, get the total size of the alloca, to allow
// case where the variable may span more than one element.
Arg = DDI->getAddress();
if (Arg)
Arg = Arg->stripPointerCasts();
const AllocaInst *AI = dyn_cast_or_null<AllocaInst>(Arg);
if (AI) {
// We can only say something about constant size allocations
if (const ConstantInt *CI = dyn_cast<ConstantInt>(AI->getArraySize()))
ArgumentTypeSizeInBits =
CI->getLimitedValue() *
M->getDataLayout().getTypeAllocSizeInBits(AI->getAllocatedType());
}
V = dyn_cast_or_null<DILocalVariable>(DDI->getRawVariable());
E = dyn_cast_or_null<DIExpression>(DDI->getRawExpression());
}
@ -3889,6 +3871,10 @@ void Verifier::verifyDIExpression(const DbgInfoIntrinsic &I,
if (!V || !E || !E->isValid())
return;
// Nothing to do if this isn't a bit piece expression.
if (!E->isBitPiece())
return;
// The frontend helps out GDB by emitting the members of local anonymous
// unions as artificial local variables with shared storage. When SROA splits
// the storage for artificial local variables that are smaller than the entire
@ -3904,33 +3890,11 @@ void Verifier::verifyDIExpression(const DbgInfoIntrinsic &I,
if (!VarSize)
return;
if (E->isBitPiece()) {
unsigned PieceSize = E->getBitPieceSize();
unsigned PieceOffset = E->getBitPieceOffset();
Assert(PieceSize + PieceOffset <= VarSize,
"piece is larger than or outside of variable", &I, V, E);
Assert(PieceSize != VarSize, "piece covers entire variable", &I, V, E);
return;
}
if (!ArgumentTypeSizeInBits)
return; // We were unable to determine the size of the argument
if (E->getNumElements() == 0) {
// In the case where the expression is empty, verify the size of the
// argument. Doing this in the general case would require looking through
// any dereferences that may be in the expression.
Assert(ArgumentTypeSizeInBits == VarSize,
"size of passed value (" + std::to_string(ArgumentTypeSizeInBits) +
") does not match size of declared variable (" +
std::to_string(VarSize) + ")",
&I, Arg, V, V->getType(), E);
} else if (E->getElement(0) == dwarf::DW_OP_deref) {
Assert(ArgumentTypeSizeInBits == M->getDataLayout().getPointerSizeInBits(),
"the operation of the expression is a deref, but the passed value "
"is not pointer sized",
&I, Arg, V, V->getType(), E);
}
unsigned PieceSize = E->getBitPieceSize();
unsigned PieceOffset = E->getBitPieceOffset();
Assert(PieceSize + PieceOffset <= VarSize,
"piece is larger than or outside of variable", &I, V, E);
Assert(PieceSize != VarSize, "piece covers entire variable", &I, V, E);
}
void Verifier::visitUnresolvedTypeRef(const MDString *S, const MDNode *N) {
@ -3963,7 +3927,7 @@ void Verifier::verifyTypeRefs() {
for (const BasicBlock &BB : F)
for (const Instruction &I : BB)
if (auto *DII = dyn_cast<DbgInfoIntrinsic>(&I))
verifyDIExpression(*DII, TypeRefs);
verifyBitPieceExpression(*DII, TypeRefs);
// Return early if all typerefs were resolved.
if (UnresolvedTypeRefs.empty())

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@ -1,9 +1,6 @@
; RUN: llc -O0 -mtriple=arm-apple-darwin < %s | grep DW_OP_breg
; Use DW_OP_breg in variable's location expression if the variable is in a stack slot.
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:64"
target triple = "arm-apple-darwin"
%struct.SVal = type { i8*, i32 }
define i32 @_Z3fooi4SVal(i32 %i, %struct.SVal* noalias %location) nounwind ssp !dbg !17 {
@ -81,7 +78,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnon
!llvm.module.flags = !{!49}
!0 = !DISubprogram(name: "SVal", line: 11, isLocal: false, isDefinition: false, virtualIndex: 6, isOptimized: false, file: !48, scope: !1, type: !14)
!1 = !DICompositeType(tag: DW_TAG_structure_type, name: "SVal", line: 1, size: 64, align: 64, file: !48, elements: !4)
!1 = !DICompositeType(tag: DW_TAG_structure_type, name: "SVal", line: 1, size: 128, align: 64, file: !48, elements: !4)
!2 = !DIFile(filename: "small.cc", directory: "/Users/manav/R8248330")
!3 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: false, emissionKind: 1, file: !48, enums: !47, retainedTypes: !47, subprograms: !46, globals: !47, imports: !47)
!4 = !{!5, !7, !0, !9}
@ -106,14 +103,14 @@ declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnon
!23 = !DILocalVariable(name: "i", line: 16, arg: 1, scope: !17, file: !2, type: !13)
!24 = !DILocation(line: 16, scope: !17)
!25 = !DILocalVariable(name: "location", line: 16, arg: 2, scope: !17, file: !2, type: !26)
!26 = !DIDerivedType(tag: DW_TAG_reference_type, name: "SVal", size: 32, align: 32, file: !48, scope: !2, baseType: !1)
!26 = !DIDerivedType(tag: DW_TAG_reference_type, name: "SVal", size: 64, align: 64, file: !48, scope: !2, baseType: !1)
!27 = !DILocation(line: 17, scope: !28)
!28 = distinct !DILexicalBlock(line: 16, column: 0, file: !2, scope: !17)
!29 = !DILocation(line: 18, scope: !28)
!30 = !DILocation(line: 20, scope: !28)
!31 = !DILocalVariable(name: "this", line: 11, arg: 1, scope: !16, file: !2, type: !32)
!32 = !DIDerivedType(tag: DW_TAG_const_type, flags: DIFlagArtificial, file: !48, scope: !2, baseType: !33)
!33 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, file: !48, scope: !2, baseType: !1)
!32 = !DIDerivedType(tag: DW_TAG_const_type, size: 64, align: 64, flags: DIFlagArtificial, file: !48, scope: !2, baseType: !33)
!33 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !48, scope: !2, baseType: !1)
!34 = !DILocation(line: 11, scope: !16)
!35 = !DILocation(line: 11, scope: !36)
!36 = distinct !DILexicalBlock(line: 11, column: 0, file: !48, scope: !37)

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@ -6,7 +6,7 @@
entry:
%x.i = alloca i8, align 1
%y.i = alloca [256 x i8], align 16
%0 = bitcast i8* %x.i to i8*
%0 = bitcast [256 x i8]* %y.i to i8*
br label %for.body
for.body:

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@ -35,14 +35,11 @@
!1 = !DIFile(filename: "t.c", directory: "")
!2 = !{}
!3 = !{i32 1, !"Debug Info Version", i32 3}
!4 = !DILocalVariable(name: "x", scope: !5, file: !1, line: 16, type: !9)
!4 = !DILocalVariable(name: "x", scope: !5, file: !1, line: 16, type: !6)
!5 = distinct !DISubprogram(scope: null, isLocal: false, isDefinition: true, isOptimized: false)
!6 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
!7 = !DIExpression()
!8 = !DILocation(line: 0, scope: !5)
!9 = !DICompositeType(tag: DW_TAG_array_type, baseType: !6, size: 2048, align: 8, elements: !10)
!10 = !{!11}
!11 = !DISubrange(count: 256)
...
---
name: foo
@ -53,7 +50,7 @@ frameInfo:
# CHECK-LABEL: foo
# CHECK: stack:
# CHECK: - { id: 0, name: y.i, offset: 0, size: 256, alignment: 16, di-variable: '!4',
# CHECK-NEXT: di-expression: '!10', di-location: '!11' }
# CHECK-NEXT: di-expression: '!7', di-location: '!8' }
stack:
- { id: 0, name: y.i, offset: 0, size: 256, alignment: 16, di-variable: '!4',
di-expression: '!7', di-location: '!8' }

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@ -40,7 +40,7 @@ invoke.cont44: ; preds = %if.end
!1 = !{!2}
!2 = distinct !DISubprogram(name: "test", isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 1, file: !6, scope: !5, type: !7)
!3 = !DILocalVariable(name: "callback", line: 214, scope: !2, type: !4)
!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "btCompoundLeafCallback", line: 90, size: 64, align: 64, file: !6)
!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "btCompoundLeafCallback", line: 90, size: 512, align: 64, file: !6)
!5 = !DIFile(filename: "MultiSource/Benchmarks/Bullet/btCompoundCollisionAlgorithm.cpp", directory: "MultiSource/Benchmarks/Bullet")
!6 = !DIFile(filename: "MultiSource/Benchmarks/Bullet/btCompoundCollisionAlgorithm.cpp", directory: "MultiSource/Benchmarks/Bullet")
!7 = !DISubroutineType(types: !9)

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@ -36,9 +36,9 @@ declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnon
!5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!6 = !DILocalVariable(name: "i", line: 2, arg: 1, scope: !1, file: !2, type: !5)
!7 = !DILocalVariable(name: "c", line: 2, arg: 2, scope: !1, file: !2, type: !8)
!8 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, scope: !0, baseType: !5)
!8 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, scope: !0, baseType: !9)
!9 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
!10 = !DILocalVariable(name: "a", line: 3, scope: !11, file: !2, type: !5)
!10 = !DILocalVariable(name: "a", line: 3, scope: !11, file: !2, type: !9)
!11 = distinct !DILexicalBlock(line: 2, column: 25, file: !20, scope: !1)
!12 = !DILocation(line: 2, column: 13, scope: !1)
!13 = !DILocation(line: 2, column: 22, scope: !1)

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@ -12,7 +12,7 @@
; CHECK: je .LBB0_4
; Regenerate test with this command:
; clang++ -emit-llvm -S -O2 -g
; clang -emit-llvm -S -O2 -g
; from this source:
;
; extern void foo(char *dst,unsigned siz,const char *src);
@ -44,171 +44,161 @@
%struct.AAA3 = type { [4 x i8] }
@.str = private unnamed_addr constant [1 x i8] zeroinitializer, align 1
@.str.1 = private unnamed_addr constant [2 x i8] c"+\00", align 1
@.str.2 = private unnamed_addr constant [2 x i8] c"-\00", align 1
@.str1 = private unnamed_addr constant [2 x i8] c"+\00", align 1
@.str2 = private unnamed_addr constant [2 x i8] c"-\00", align 1
; Function Attrs: uwtable
define void @_Z3barii(i32 %param1, i32 %param2) #0 !dbg !24 {
entry:
%var1 = alloca %struct.AAA3, align 1
%var2 = alloca %struct.AAA3, align 1
tail call void @llvm.dbg.value(metadata i32 %param1, i64 0, metadata !29, metadata !46), !dbg !47
tail call void @llvm.dbg.value(metadata i32 %param2, i64 0, metadata !30, metadata !46), !dbg !48
tail call void @llvm.dbg.value(metadata i8* null, i64 0, metadata !31, metadata !46), !dbg !49
tail call void @llvm.dbg.value(metadata i32 %param1, i64 0, metadata !30, metadata !DIExpression()), !dbg !47
tail call void @llvm.dbg.value(metadata i32 %param2, i64 0, metadata !31, metadata !DIExpression()), !dbg !47
tail call void @llvm.dbg.value(metadata i8* null, i64 0, metadata !32, metadata !DIExpression()), !dbg !49
%tobool = icmp eq i32 %param2, 0, !dbg !50
br i1 %tobool, label %if.end, label %if.then, !dbg !52
br i1 %tobool, label %if.end, label %if.then, !dbg !50
if.then: ; preds = %entry
%call = tail call i8* @_Z5i2stri(i32 %param2), !dbg !53
tail call void @llvm.dbg.value(metadata i8* %call, i64 0, metadata !31, metadata !46), !dbg !49
br label %if.end, !dbg !55
%call = tail call i8* @_Z5i2stri(i32 %param2), !dbg !52
tail call void @llvm.dbg.value(metadata i8* %call, i64 0, metadata !32, metadata !DIExpression()), !dbg !49
br label %if.end, !dbg !54
if.end: ; preds = %entry, %if.then
%0 = getelementptr inbounds %struct.AAA3, %struct.AAA3* %var1, i64 0, i32 0, i64 0, !dbg !56
call void @llvm.lifetime.start(i64 4, i8* %0) #4, !dbg !56
tail call void @llvm.dbg.value(metadata %struct.AAA3* %var1, i64 0, metadata !32, metadata !57), !dbg !58
tail call void @llvm.dbg.value(metadata %struct.AAA3* %var1, i64 0, metadata !36, metadata !46), !dbg !59
tail call void @llvm.dbg.value(metadata i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0), i64 0, metadata !38, metadata !46), !dbg !62
call void @_Z3fooPcjPKc(i8* %0, i32 4, i8* nonnull getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0)), !dbg !63
%1 = getelementptr inbounds %struct.AAA3, %struct.AAA3* %var2, i64 0, i32 0, i64 0, !dbg !65
call void @llvm.lifetime.start(i64 4, i8* %1) #4, !dbg !65
call void @llvm.dbg.value(metadata %struct.AAA3* %var2, i64 0, metadata !33, metadata !57), !dbg !66
call void @llvm.dbg.value(metadata %struct.AAA3* %var2, i64 0, metadata !36, metadata !46), !dbg !67
call void @llvm.dbg.value(metadata i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0), i64 0, metadata !38, metadata !46), !dbg !69
call void @_Z3fooPcjPKc(i8* %1, i32 4, i8* nonnull getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0)), !dbg !70
%tobool1 = icmp eq i32 %param1, 0, !dbg !71
call void @llvm.dbg.value(metadata %struct.AAA3* %var2, i64 0, metadata !33, metadata !57), !dbg !66
call void @llvm.dbg.value(metadata %struct.AAA3* %var2, i64 0, metadata !41, metadata !46), !dbg !73
br i1 %tobool1, label %if.else, label %if.then2, !dbg !75
tail call void @llvm.dbg.value(metadata %struct.AAA3* %var1, i64 0, metadata !33, metadata !DIExpression()), !dbg !55
tail call void @llvm.dbg.value(metadata %struct.AAA3* %var1, i64 0, metadata !56, metadata !DIExpression()), !dbg !57
tail call void @llvm.dbg.value(metadata !58, i64 0, metadata !59, metadata !DIExpression()), !dbg !60
%arraydecay.i = getelementptr inbounds %struct.AAA3, %struct.AAA3* %var1, i64 0, i32 0, i64 0, !dbg !61
call void @_Z3fooPcjPKc(i8* %arraydecay.i, i32 4, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0)), !dbg !61
call void @llvm.dbg.value(metadata %struct.AAA3* %var2, i64 0, metadata !34, metadata !DIExpression()), !dbg !63
call void @llvm.dbg.value(metadata %struct.AAA3* %var2, i64 0, metadata !64, metadata !DIExpression()), !dbg !65
call void @llvm.dbg.value(metadata !58, i64 0, metadata !66, metadata !DIExpression()), !dbg !67
%arraydecay.i5 = getelementptr inbounds %struct.AAA3, %struct.AAA3* %var2, i64 0, i32 0, i64 0, !dbg !68
call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0)), !dbg !68
%tobool1 = icmp eq i32 %param1, 0, !dbg !69
call void @llvm.dbg.value(metadata %struct.AAA3* %var2, i64 0, metadata !34, metadata !DIExpression()), !dbg !63
br i1 %tobool1, label %if.else, label %if.then2, !dbg !69
if.then2: ; preds = %if.end
call void @llvm.dbg.value(metadata i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0), i64 0, metadata !42, metadata !46), !dbg !76
call void @_Z3fooPcjPKc(i8* %1, i32 4, i8* nonnull getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0)), !dbg !78
br label %if.end3, !dbg !79
call void @llvm.dbg.value(metadata %struct.AAA3* %var2, i64 0, metadata !71, metadata !DIExpression()), !dbg !73
call void @llvm.dbg.value(metadata !74, i64 0, metadata !75, metadata !DIExpression()), !dbg !76
call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str1, i64 0, i64 0)), !dbg !76
br label %if.end3, !dbg !72
if.else: ; preds = %if.end
call void @llvm.dbg.value(metadata i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i64 0, metadata !42, metadata !46), !dbg !80
call void @_Z3fooPcjPKc(i8* %1, i32 4, i8* nonnull getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0)), !dbg !81
call void @llvm.dbg.value(metadata %struct.AAA3* %var2, i64 0, metadata !77, metadata !DIExpression()), !dbg !79
call void @llvm.dbg.value(metadata !80, i64 0, metadata !81, metadata !DIExpression()), !dbg !82
call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str2, i64 0, i64 0)), !dbg !82
br label %if.end3
if.end3: ; preds = %if.else, %if.then2
call void @llvm.dbg.value(metadata %struct.AAA3* %var1, i64 0, metadata !32, metadata !57), !dbg !58
call void @llvm.dbg.value(metadata %struct.AAA3* %var1, i64 0, metadata !41, metadata !46), !dbg !82
call void @llvm.dbg.value(metadata i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0), i64 0, metadata !42, metadata !46), !dbg !84
call void @_Z3fooPcjPKc(i8* %0, i32 4, i8* nonnull getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0)), !dbg !85
call void @llvm.lifetime.end(i64 4, i8* %1) #4, !dbg !86
call void @llvm.lifetime.end(i64 4, i8* %0) #4, !dbg !87
ret void, !dbg !86
call void @llvm.dbg.value(metadata %struct.AAA3* %var1, i64 0, metadata !33, metadata !DIExpression()), !dbg !55
call void @llvm.dbg.value(metadata %struct.AAA3* %var1, i64 0, metadata !83, metadata !DIExpression()), !dbg !85
call void @llvm.dbg.value(metadata !58, i64 0, metadata !86, metadata !DIExpression()), !dbg !87
call void @_Z3fooPcjPKc(i8* %arraydecay.i, i32 4, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0)), !dbg !87
ret void, !dbg !88
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start(i64, i8* nocapture) #1
declare i8* @_Z5i2stri(i32) #1
declare i8* @_Z5i2stri(i32) #2
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end(i64, i8* nocapture) #1
declare void @_Z3fooPcjPKc(i8*, i32, i8*) #2
declare void @_Z3fooPcjPKc(i8*, i32, i8*) #1
; Function Attrs: nounwind readnone
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #3
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2
attributes #0 = { uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { argmemonly nounwind }
attributes #2 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #3 = { nounwind readnone }
attributes #4 = { nounwind }
attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { nounwind readnone }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!43, !44}
!llvm.ident = !{!45}
!llvm.module.flags = !{!44, !45}
!llvm.ident = !{!46}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.8.0 (trunk 255993) (llvm/trunk 256074)", isOptimized: true, runtimeVersion: 0, emissionKind: 1, enums: !2, retainedTypes: !3, subprograms: !23)
!1 = !DIFile(filename: "test.cpp", directory: "/mnt/extra")
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !23, globals: !2, imports: !2)
!1 = !DIFile(filename: "dbg-changes-codegen-branch-folding.cpp", directory: "/tmp/dbginfo")
!2 = !{}
!3 = !{!4}
!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "AAA3", file: !1, line: 4, size: 32, align: 8, elements: !5, identifier: "_ZTS4AAA3")
!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "AAA3", line: 4, size: 32, align: 8, file: !1, elements: !5, identifier: "_ZTS4AAA3")
!5 = !{!6, !11, !17, !18}
!6 = !DIDerivedType(tag: DW_TAG_member, name: "text", scope: !"_ZTS4AAA3", file: !1, line: 8, baseType: !7, size: 32, align: 8)
!7 = !DICompositeType(tag: DW_TAG_array_type, baseType: !8, size: 32, align: 8, elements: !9)
!8 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
!6 = !DIDerivedType(tag: DW_TAG_member, name: "text", line: 8, size: 32, align: 8, file: !1, scope: !"_ZTS4AAA3", baseType: !7)
!7 = !DICompositeType(tag: DW_TAG_array_type, size: 32, align: 8, baseType: !8, elements: !9)
!8 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
!9 = !{!10}
!10 = !DISubrange(count: 4)
!11 = !DISubprogram(name: "AAA3", scope: !"_ZTS4AAA3", file: !1, line: 5, type: !12, isLocal: false, isDefinition: false, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: true)
!11 = !DISubprogram(name: "AAA3", line: 5, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 5, file: !1, scope: !"_ZTS4AAA3", type: !12)
!12 = !DISubroutineType(types: !13)
!13 = !{null, !14, !15}
!14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !"_ZTS4AAA3", size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
!15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64, align: 64)
!14 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS4AAA3")
!15 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !16)
!16 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !8)
!17 = !DISubprogram(name: "operator=", linkageName: "_ZN4AAA3aSEPKc", scope: !"_ZTS4AAA3", file: !1, line: 6, type: !12, isLocal: false, isDefinition: false, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: true)
!18 = !DISubprogram(name: "operator const char *", linkageName: "_ZNK4AAA3cvPKcEv", scope: !"_ZTS4AAA3", file: !1, line: 7, type: !19, isLocal: false, isDefinition: false, scopeLine: 7, flags: DIFlagPrototyped, isOptimized: true)
!17 = !DISubprogram(name: "operator=", linkageName: "_ZN4AAA3aSEPKc", line: 6, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 6, file: !1, scope: !"_ZTS4AAA3", type: !12)
!18 = !DISubprogram(name: "operator const char *", linkageName: "_ZNK4AAA3cvPKcEv", line: 7, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 7, file: !1, scope: !"_ZTS4AAA3", type: !19)
!19 = !DISubroutineType(types: !20)
!20 = !{!15, !21}
!21 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !22, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
!21 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !22)
!22 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !"_ZTS4AAA3")
!23 = !{!24, !34, !39}
!24 = distinct !DISubprogram(name: "bar", linkageName: "_Z3barii", scope: !1, file: !1, line: 11, type: !25, isLocal: false, isDefinition: true, scopeLine: 11, flags: DIFlagPrototyped, isOptimized: true, variables: !28)
!25 = !DISubroutineType(types: !26)
!26 = !{null, !27, !27}
!27 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!28 = !{!29, !30, !31, !32, !33}
!29 = !DILocalVariable(name: "param1", arg: 1, scope: !24, file: !1, line: 11, type: !27)
!30 = !DILocalVariable(name: "param2", arg: 2, scope: !24, file: !1, line: 11, type: !27)
!31 = !DILocalVariable(name: "temp", scope: !24, file: !1, line: 12, type: !15)
!32 = !DILocalVariable(name: "var1", scope: !24, file: !1, line: 17, type: !"_ZTS4AAA3")
!33 = !DILocalVariable(name: "var2", scope: !24, file: !1, line: 18, type: !"_ZTS4AAA3")
!34 = distinct !DISubprogram(name: "AAA3", linkageName: "_ZN4AAA3C2EPKc", scope: !"_ZTS4AAA3", file: !1, line: 5, type: !12, isLocal: false, isDefinition: true, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: true, declaration: !11, variables: !35)
!35 = !{!36, !38}
!36 = !DILocalVariable(name: "this", arg: 1, scope: !34, type: !37, flags: DIFlagArtificial | DIFlagObjectPointer)
!37 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !"_ZTS4AAA3", size: 64, align: 64)
!38 = !DILocalVariable(name: "value", arg: 2, scope: !34, file: !1, line: 5, type: !15)
!39 = distinct !DISubprogram(name: "operator=", linkageName: "_ZN4AAA3aSEPKc", scope: !"_ZTS4AAA3", file: !1, line: 6, type: !12, isLocal: false, isDefinition: true, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: true, declaration: !17, variables: !40)
!40 = !{!41, !42}
!41 = !DILocalVariable(name: "this", arg: 1, scope: !39, type: !37, flags: DIFlagArtificial | DIFlagObjectPointer)
!42 = !DILocalVariable(name: "value", arg: 2, scope: !39, file: !1, line: 6, type: !15)
!43 = !{i32 2, !"Dwarf Version", i32 4}
!44 = !{i32 2, !"Debug Info Version", i32 3}
!45 = !{!"clang version 3.8.0 (trunk 255993) (llvm/trunk 256074)"}
!46 = !DIExpression()
!47 = !DILocation(line: 11, column: 15, scope: !24)
!48 = !DILocation(line: 11, column: 26, scope: !24)
!49 = !DILocation(line: 12, column: 16, scope: !24)
!50 = !DILocation(line: 14, column: 7, scope: !51)
!51 = distinct !DILexicalBlock(scope: !24, file: !1, line: 14, column: 7)
!52 = !DILocation(line: 14, column: 7, scope: !24)
!53 = !DILocation(line: 15, column: 12, scope: !54)
!54 = distinct !DILexicalBlock(scope: !51, file: !1, line: 14, column: 15)
!55 = !DILocation(line: 16, column: 3, scope: !54)
!56 = !DILocation(line: 17, column: 3, scope: !24)
!57 = !DIExpression(DW_OP_deref)
!58 = !DILocation(line: 17, column: 8, scope: !24)
!59 = !DILocation(line: 0, scope: !34, inlinedAt: !60)
!60 = distinct !DILocation(line: 17, column: 8, scope: !61)
!61 = !DILexicalBlockFile(scope: !24, file: !1, discriminator: 1)
!62 = !DILocation(line: 5, column: 19, scope: !34, inlinedAt: !60)
!63 = !DILocation(line: 5, column: 28, scope: !64, inlinedAt: !60)
!64 = distinct !DILexicalBlock(scope: !34, file: !1, line: 5, column: 26)
!65 = !DILocation(line: 18, column: 3, scope: !24)
!66 = !DILocation(line: 18, column: 8, scope: !24)
!67 = !DILocation(line: 0, scope: !34, inlinedAt: !68)
!68 = distinct !DILocation(line: 18, column: 8, scope: !61)
!69 = !DILocation(line: 5, column: 19, scope: !34, inlinedAt: !68)
!70 = !DILocation(line: 5, column: 28, scope: !64, inlinedAt: !68)
!71 = !DILocation(line: 20, column: 7, scope: !72)
!72 = distinct !DILexicalBlock(scope: !24, file: !1, line: 20, column: 7)
!73 = !DILocation(line: 0, scope: !39, inlinedAt: !74)
!74 = distinct !DILocation(line: 23, column: 10, scope: !72)
!75 = !DILocation(line: 20, column: 7, scope: !24)
!76 = !DILocation(line: 6, column: 29, scope: !39, inlinedAt: !77)
!77 = distinct !DILocation(line: 21, column: 10, scope: !72)
!78 = !DILocation(line: 6, column: 38, scope: !39, inlinedAt: !77)
!79 = !DILocation(line: 21, column: 5, scope: !72)
!80 = !DILocation(line: 6, column: 29, scope: !39, inlinedAt: !74)
!81 = !DILocation(line: 6, column: 38, scope: !39, inlinedAt: !74)
!82 = !DILocation(line: 0, scope: !39, inlinedAt: !83)
!83 = distinct !DILocation(line: 24, column: 8, scope: !24)
!84 = !DILocation(line: 6, column: 29, scope: !39, inlinedAt: !83)
!85 = !DILocation(line: 6, column: 38, scope: !39, inlinedAt: !83)
!86 = !DILocation(line: 25, column: 1, scope: !24)
!87 = !DILocation(line: 25, column: 1, scope: !61)
!23 = !{!24, !35, !40}
!24 = distinct !DISubprogram(name: "bar", linkageName: "_Z3barii", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 11, file: !1, scope: !25, type: !26, variables: !29)
!25 = !DIFile(filename: "dbg-changes-codegen-branch-folding.cpp", directory: "/tmp/dbginfo")
!26 = !DISubroutineType(types: !27)
!27 = !{null, !28, !28}
!28 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!29 = !{!30, !31, !32, !33, !34}
!30 = !DILocalVariable(name: "param1", line: 11, arg: 1, scope: !24, file: !25, type: !28)
!31 = !DILocalVariable(name: "param2", line: 11, arg: 2, scope: !24, file: !25, type: !28)
!32 = !DILocalVariable(name: "temp", line: 12, scope: !24, file: !25, type: !15)
!33 = !DILocalVariable(name: "var1", line: 17, scope: !24, file: !25, type: !"_ZTS4AAA3")
!34 = !DILocalVariable(name: "var2", line: 18, scope: !24, file: !25, type: !"_ZTS4AAA3")
!35 = distinct !DISubprogram(name: "operator=", linkageName: "_ZN4AAA3aSEPKc", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 6, file: !1, scope: !"_ZTS4AAA3", type: !12, declaration: !17, variables: !36)
!36 = !{!37, !39}
!37 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !35, type: !38)
!38 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !"_ZTS4AAA3")
!39 = !DILocalVariable(name: "value", line: 6, arg: 2, scope: !35, file: !25, type: !15)
!40 = distinct !DISubprogram(name: "AAA3", linkageName: "_ZN4AAA3C2EPKc", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 5, file: !1, scope: !"_ZTS4AAA3", type: !12, declaration: !11, variables: !41)
!41 = !{!42, !43}
!42 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !40, type: !38)
!43 = !DILocalVariable(name: "value", line: 5, arg: 2, scope: !40, file: !25, type: !15)
!44 = !{i32 2, !"Dwarf Version", i32 4}
!45 = !{i32 2, !"Debug Info Version", i32 3}
!46 = !{!"clang version 3.5.0 "}
!47 = !DILocation(line: 11, scope: !24)
!48 = !{i8* null}
!49 = !DILocation(line: 12, scope: !24)
!50 = !DILocation(line: 14, scope: !51)
!51 = distinct !DILexicalBlock(line: 14, column: 0, file: !1, scope: !24)
!52 = !DILocation(line: 15, scope: !53)
!53 = distinct !DILexicalBlock(line: 14, column: 0, file: !1, scope: !51)
!54 = !DILocation(line: 16, scope: !53)
!55 = !DILocation(line: 17, scope: !24)
!56 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !40, type: !38)
!57 = !DILocation(line: 0, scope: !40, inlinedAt: !55)
!58 = !{i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0)}
!59 = !DILocalVariable(name: "value", line: 5, arg: 2, scope: !40, file: !25, type: !15)
!60 = !DILocation(line: 5, scope: !40, inlinedAt: !55)
!61 = !DILocation(line: 5, scope: !62, inlinedAt: !55)
!62 = distinct !DILexicalBlock(line: 5, column: 0, file: !1, scope: !40)
!63 = !DILocation(line: 18, scope: !24)
!64 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !40, type: !38)
!65 = !DILocation(line: 0, scope: !40, inlinedAt: !63)
!66 = !DILocalVariable(name: "value", line: 5, arg: 2, scope: !40, file: !25, type: !15)
!67 = !DILocation(line: 5, scope: !40, inlinedAt: !63)
!68 = !DILocation(line: 5, scope: !62, inlinedAt: !63)
!69 = !DILocation(line: 20, scope: !70)
!70 = distinct !DILexicalBlock(line: 20, column: 0, file: !1, scope: !24)
!71 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !35, type: !38)
!72 = !DILocation(line: 21, scope: !70)
!73 = !DILocation(line: 0, scope: !35, inlinedAt: !72)
!74 = !{i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str1, i64 0, i64 0)}
!75 = !DILocalVariable(name: "value", line: 6, arg: 2, scope: !35, file: !25, type: !15)
!76 = !DILocation(line: 6, scope: !35, inlinedAt: !72)
!77 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !35, type: !38)
!78 = !DILocation(line: 23, scope: !70)
!79 = !DILocation(line: 0, scope: !35, inlinedAt: !78)
!80 = !{i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str2, i64 0, i64 0)}
!81 = !DILocalVariable(name: "value", line: 6, arg: 2, scope: !35, file: !25, type: !15)
!82 = !DILocation(line: 6, scope: !35, inlinedAt: !78)
!83 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !35, type: !38)
!84 = !DILocation(line: 24, scope: !24)
!85 = !DILocation(line: 0, scope: !35, inlinedAt: !84)
!86 = !DILocalVariable(name: "value", line: 6, arg: 2, scope: !35, file: !25, type: !15)
!87 = !DILocation(line: 6, scope: !35, inlinedAt: !84)
!88 = !DILocation(line: 25, scope: !24)

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@ -60,7 +60,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata, metadata)
!14 = !DIDerivedType(tag: DW_TAG_typedef, name: "fpu_extended", line: 3, file: !5, baseType: !15)
!15 = !DIDerivedType(tag: DW_TAG_typedef, name: "fpu_register", line: 2, file: !5, baseType: !16)
!16 = !DIDerivedType(tag: DW_TAG_typedef, name: "uae_f64", line: 1, file: !5, baseType: !17)
!17 = !DIBasicType(tag: DW_TAG_base_type, name: "long double", size: 128, align: 128, encoding: DW_ATE_float)
!17 = !DIBasicType(tag: DW_TAG_base_type, name: "double", size: 64, align: 64, encoding: DW_ATE_float)
!18 = !DILocalVariable(name: "a", line: 15, scope: !4, file: !6, type: !19)
!19 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!20 = !DILocalVariable(name: "value", line: 16, scope: !4, file: !6, type: !14)

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@ -49,10 +49,10 @@ entry:
%0 = load i8, i8* @argc, align 1
tail call void @llvm.dbg.value(metadata i8 %0, i64 0, metadata !19, metadata !29), !dbg !DILocation(scope: !13)
%conv = sext i8 %0 to i32
tail call void @llvm.dbg.value(metadata %class.C* %c, i64 0, metadata !18, metadata !DIExpression(DW_OP_deref)), !dbg !DILocation(scope: !13)
tail call void @llvm.dbg.value(metadata %class.C* %c, i64 0, metadata !18, metadata !29), !dbg !DILocation(scope: !13)
%call = call i32 (%class.C*, i8, i8, i8, ...) @test_function(%class.C* %c, i8 signext 0, i8 signext %0, i8 signext 0, i32 %conv)
%1 = load i8, i8* @argc, align 1
call void @llvm.dbg.value(metadata %class.C* %c, i64 0, metadata !18, metadata !DIExpression(DW_OP_deref)), !dbg !DILocation(scope: !13)
call void @llvm.dbg.value(metadata %class.C* %c, i64 0, metadata !18, metadata !29), !dbg !DILocation(scope: !13)
%call2 = call i32 (%class.C*, i8, i8, i8, ...) @test_function(%class.C* %c, i8 signext 0, i8 signext %1, i8 signext 0, i32 %conv)
ret void
}

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@ -239,7 +239,7 @@ attributes #5 = { builtin }
!76 = !DIExpression(DW_OP_bit_piece, 8, 120)
!77 = !DILocation(line: 17, column: 12, scope: !31, inlinedAt: !75)
!78 = !DIExpression(DW_OP_bit_piece, 136, 56)
!79 = !DIExpression(DW_OP_deref)
!79 = !DIExpression()
!80 = !DILocation(line: 19, column: 5, scope: !34)
!81 = !DILocation(line: 20, column: 7, scope: !34)
!82 = !DILocation(line: 20, column: 5, scope: !34)

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@ -23,12 +23,12 @@ entry:
%a10 = call i64 @llvm.bswap.i64(i64 %a9) nounwind ; <i64> [#uses=1]
%a11 = getelementptr inbounds %struct.gpt_t, %struct.gpt_t* %gpt, i32 0, i32 8, !dbg !7 ; <i64*> [#uses=1]
%a12 = load i64, i64* %a11, align 4, !dbg !7 ; <i64> [#uses=1]
call void @llvm.dbg.declare(metadata i64* %data_addr.i17, metadata !8, metadata !DIExpression(DW_OP_deref)) nounwind, !dbg !14
call void @llvm.dbg.declare(metadata i64* %data_addr.i17, metadata !8, metadata !DIExpression()) nounwind, !dbg !14
store i64 %a12, i64* %data_addr.i17, align 8
call void @llvm.dbg.value(metadata !6, i64 0, metadata !15, metadata !DIExpression()) nounwind, !dbg !DILocation(scope: !16)
call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !19, metadata !DIExpression()) nounwind, !dbg !DILocation(scope: !16)
call void @llvm.dbg.declare(metadata !6, metadata !23, metadata !DIExpression()) nounwind, !dbg !DILocation(scope: !24)
call void @llvm.dbg.value(metadata i64* %data_addr.i17, i64 0, metadata !34, metadata !DIExpression(DW_OP_deref)) nounwind, !dbg !DILocation(scope: !24)
call void @llvm.dbg.value(metadata i64* %data_addr.i17, i64 0, metadata !34, metadata !DIExpression()) nounwind, !dbg !DILocation(scope: !24)
%a13 = load volatile i64, i64* %data_addr.i17, align 8 ; <i64> [#uses=1]
%a14 = call i64 @llvm.bswap.i64(i64 %a13) nounwind ; <i64> [#uses=2]
%a15 = add i64 %a10, %a14, !dbg !7 ; <i64> [#uses=1]

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@ -35,7 +35,7 @@ entry:
%call = tail call i32 @_Z4funcv(), !dbg !19
tail call void @llvm.dbg.value(metadata i32 %call, i64 0, metadata !10, metadata !16), !dbg !17
store volatile i32 %call, i32* %c, align 4, !dbg !19
tail call void @llvm.dbg.value(metadata i32* %c, i64 0, metadata !10, metadata !21), !dbg !17
tail call void @llvm.dbg.value(metadata i32* %c, i64 0, metadata !10, metadata !16), !dbg !17
%c.0.c.0. = load volatile i32, i32* %c, align 4, !dbg !20
ret i32 %c.0.c.0., !dbg !20
}
@ -74,5 +74,4 @@ attributes #2 = { nounwind readnone }
!18 = !DILocation(line: 5, column: 3, scope: !4)
!19 = !DILocation(line: 6, column: 7, scope: !4)
!20 = !DILocation(line: 7, column: 3, scope: !4)
!21 = !DIExpression(DW_OP_deref)

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@ -24,8 +24,7 @@ declare i32 @puts(i8* nocapture) nounwind
define i32 @main(i32 %argc, i8** nocapture %argv) nounwind !dbg !12 {
entry:
tail call void @llvm.dbg.value(metadata i32 %argc, i64 0, metadata !21, metadata !DIExpression()), !dbg !26
; Avoid talking about the pointer size in debug info because that's target dependent
tail call void @llvm.dbg.value(metadata i8** %argv, i64 0, metadata !22, metadata !DIExpression(DW_OP_deref, DW_OP_deref)), !dbg !27
tail call void @llvm.dbg.value(metadata i8** %argv, i64 0, metadata !22, metadata !DIExpression()), !dbg !27
%puts = tail call i32 @puts(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @str1, i32 0, i32 0)), !dbg !28
tail call void @foo() nounwind, !dbg !30
ret i32 0, !dbg !31
@ -47,12 +46,14 @@ declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnon
!10 = !{!12}
!12 = distinct !DISubprogram(name: "main", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 11, file: !32, scope: !6, type: !13, variables: !19)
!13 = !DISubroutineType(types: !14)
!14 = !{!15, !15, !18}
!14 = !{!15, !15, !16}
!15 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!16 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !17)
!17 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !18)
!18 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
!19 = !{!21, !22}
!21 = !DILocalVariable(name: "argc", line: 11, arg: 1, scope: !12, file: !6, type: !15)
!22 = !DILocalVariable(name: "argv", line: 11, arg: 2, scope: !12, file: !6, type: !18)
!22 = !DILocalVariable(name: "argv", line: 11, arg: 2, scope: !12, file: !6, type: !16)
!23 = !DILocation(line: 6, column: 3, scope: !24)
!24 = distinct !DILexicalBlock(line: 5, column: 16, file: !32, scope: !5)
!25 = !DILocation(line: 7, column: 1, scope: !24)

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@ -65,7 +65,7 @@ entry:
%1 = load i32, i32* %b.addr, align 4, !dbg !35
%add = add nsw i32 %0, %1, !dbg !36
store i32 %add, i32* %c, align 16, !dbg !33
call void @llvm.dbg.declare(metadata i32** %w, metadata !37, metadata !DIExpression(DW_OP_deref)), !dbg !38
call void @llvm.dbg.declare(metadata i32** %w, metadata !37, metadata !16), !dbg !38
%2 = load i32, i32* %c, align 16, !dbg !39
%3 = alloca i8, i32 %2, !dbg !40
%4 = bitcast i8* %3 to i32*, !dbg !40

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@ -30,9 +30,9 @@ entry:
call void @llvm.lifetime.start(i64 4, i8* %0) #4, !dbg !14
tail call void @llvm.dbg.value(metadata i32 23, i64 0, metadata !9, metadata !15), !dbg !16
store i32 23, i32* %x, align 4, !dbg !16, !tbaa !17
tail call void @llvm.dbg.value(metadata i32* %x, i64 0, metadata !9, metadata !DIExpression(DW_OP_deref)), !dbg !16
tail call void @llvm.dbg.value(metadata i32* %x, i64 0, metadata !9, metadata !15), !dbg !16
call void @g(i32* nonnull %x) #4, !dbg !21
call void @llvm.dbg.value(metadata i32* %x, i64 0, metadata !9, metadata !DIExpression(DW_OP_deref)), !dbg !16
call void @llvm.dbg.value(metadata i32* %x, i64 0, metadata !9, metadata !15), !dbg !16
%1 = load i32, i32* %x, align 4, !dbg !22, !tbaa !17
%cmp = icmp eq i32 %1, 42, !dbg !24
br i1 %cmp, label %if.then, label %if.end, !dbg !25
@ -44,7 +44,7 @@ if.then: ; preds = %entry
if.end: ; preds = %if.then, %entry
%2 = phi i32 [ 43, %if.then ], [ %1, %entry ], !dbg !27
call void @llvm.dbg.value(metadata i32* %x, i64 0, metadata !9, metadata !DIExpression(DW_OP_deref)), !dbg !16
call void @llvm.dbg.value(metadata i32* %x, i64 0, metadata !9, metadata !15), !dbg !16
call void @llvm.lifetime.end(i64 4, i8* %0) #4, !dbg !28
ret i32 %2, !dbg !29
}

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@ -1,6 +1,6 @@
; RUN: llc < %s | FileCheck %s
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32"
target triple = "i686-apple-darwin"
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin10.0.0"
; PR 9817

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@ -86,7 +86,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnon
!2 = distinct !DICompileUnit(language: DW_LANG_C89, producer: "clc", isOptimized: false, emissionKind: 1, file: !20, enums: !21, retainedTypes: !21, subprograms: !19, imports: null)
!3 = !DISubroutineType(types: !4)
!4 = !{null, !5}
!5 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align:64, scope: !2, baseType: !6)
!5 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, scope: !2, baseType: !6)
!6 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint", file: !20, scope: !2, baseType: !7)
!7 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned)
!8 = !DILocalVariable(name: "ip", line: 1, arg: 1, scope: !0, file: !1, type: !5)

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@ -7,7 +7,6 @@
;
; CHECK-LABEL: test:
; CHECK: ##DEBUG_VALUE: foo:i
%a = type { i32, i32 }
define hidden fastcc %a* @test() #1 !dbg !1 {
@ -88,7 +87,7 @@ VEC_edge_base_index.exit7.i: ; preds = %"3.i5.i"
"44.i": ; preds = %"42.i"
%2 = load %a*, %a** undef, align 8, !dbg !12
%3 = bitcast %a* %2 to %a*, !dbg !12
call void @llvm.dbg.value(metadata %a* %3, i64 0, metadata !6, metadata !DIExpression(DW_OP_deref)), !dbg !12
call void @llvm.dbg.value(metadata %a* %3, i64 0, metadata !6, metadata !DIExpression()), !dbg !12
br label %may_unswitch_on.exit, !dbg !12
"45.i": ; preds = %"38.i"

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@ -81,7 +81,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnon
!20 = !DISubprogram(name: "D", line: 4, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 4, file: !6, scope: !10, type: !21)
!21 = !DISubroutineType(types: !22)
!22 = !{null, !9, !23}
!23 = !DIDerivedType(tag: DW_TAG_reference_type, size: 64, align: 64, baseType: !24)
!23 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !24)
!24 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !10)
!27 = !{!29}
!29 = !DILocalVariable(name: "this", line: 12, arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !5, file: !6, type: !30)

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@ -58,8 +58,8 @@ entry:
for.body: ; preds = %for.body, %entry
%iter.02 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
call void @llvm.lifetime.start(i64 4, i8* %0), !dbg !26
call void @llvm.dbg.value(metadata %struct.string* %str2.i, i64 0, metadata !16, metadata !DIExpression(DW_OP_deref)) #3, !dbg !26
call void @llvm.dbg.value(metadata %struct.string* %str2.i, i64 0, metadata !27, metadata !DIExpression(DW_OP_deref)) #3, !dbg !29
call void @llvm.dbg.value(metadata %struct.string* %str2.i, i64 0, metadata !16, metadata !DIExpression()) #3, !dbg !26
call void @llvm.dbg.value(metadata %struct.string* %str2.i, i64 0, metadata !27, metadata !DIExpression()) #3, !dbg !29
call void @_Z4sinkPKv(i8* undef) #3, !dbg !29
call void @_Z4sinkPKv(i8* %0) #3, !dbg !30
call void @llvm.lifetime.end(i64 4, i8* %0), !dbg !31

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@ -88,25 +88,25 @@ while.cond.loopexit: ; preds = %while.body4, %while
while.body: ; preds = %entry, %while.cond.loopexit
store i32 0, i32* %ref.tmp, align 4, !dbg !41, !tbaa !42
call void @llvm.dbg.value(metadata i32* %x, i64 0, metadata !21, metadata !DIExpression(DW_OP_deref)), !dbg !46
call void @llvm.dbg.value(metadata i32* %x, i64 0, metadata !21, metadata !36), !dbg !46
call void @_Z4funcRKiS0_(i32* dereferenceable(4) %x, i32* dereferenceable(4) %ref.tmp), !dbg !47
%call29 = call i32 @_Z4condv(), !dbg !48
%tobool310 = icmp eq i32 %call29, 0, !dbg !48
br i1 %tobool310, label %while.cond.loopexit, label %while.body4, !dbg !49
while.body4: ; preds = %while.body, %while.body4
call void @llvm.dbg.value(metadata i8* %y, i64 0, metadata !23, metadata !DIExpression(DW_OP_deref)), !dbg !50
call void @llvm.dbg.value(metadata i8* %y, i64 0, metadata !23, metadata !36), !dbg !50
call void @_Z4funcPv(i8* %y), !dbg !51
call void @llvm.dbg.value(metadata i8* %j, i64 0, metadata !26, metadata !DIExpression(DW_OP_deref)), !dbg !52
call void @llvm.dbg.value(metadata i8* %j, i64 0, metadata !26, metadata !36), !dbg !52
call void @_Z4funcPv(i8* %j), !dbg !53
call void @llvm.dbg.value(metadata i8* %I, i64 0, metadata !27, metadata !DIExpression(DW_OP_deref)), !dbg !54
call void @llvm.dbg.value(metadata i8* %I, i64 0, metadata !27, metadata !36), !dbg !54
call void @_Z4funcPv(i8* %I), !dbg !55
store i32 0, i32* %ref.tmp5, align 4, !dbg !56, !tbaa !42
store i32 0, i32* %ref.tmp6, align 4, !dbg !57, !tbaa !42
call void @_Z4funcRKiS0_(i32* dereferenceable(4) %ref.tmp5, i32* dereferenceable(4) %ref.tmp6), !dbg !58
call void @llvm.dbg.declare(metadata %struct.A* undef, metadata !28, metadata !36), !dbg !59
call void @llvm.dbg.value(metadata i32* %x, i64 0, metadata !28, metadata !33), !dbg !59
call void @llvm.dbg.value(metadata i32* %x, i64 0, metadata !21, metadata !DIExpression(DW_OP_deref)), !dbg !46
call void @llvm.dbg.value(metadata i32* %x, i64 0, metadata !21, metadata !36), !dbg !46
call void @llvm.dbg.value(metadata i32* %x, i64 0, metadata !60, metadata !33), !dbg !62
call void @llvm.dbg.value(metadata i32 undef, i64 0, metadata !60, metadata !35), !dbg !62
call void @llvm.dbg.declare(metadata %struct.A* undef, metadata !60, metadata !36), !dbg !62

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@ -30,7 +30,7 @@ declare i32 @printf(i8*, ...)
!6 = !DIFile(filename: "foo.cpp", directory: "/Users/echristo/tmp")
!7 = !DISubroutineType(types: !8)
!8 = !{null, !9}
!9 = !DIDerivedType(tag: DW_TAG_rvalue_reference_type, size: 64, align: 64, baseType: !10)
!9 = !DIDerivedType(tag: DW_TAG_rvalue_reference_type, baseType: !10)
!10 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!11 = !DILocalVariable(name: "i", line: 4, arg: 1, scope: !5, file: !6, type: !9)
!12 = !DILocation(line: 4, column: 17, scope: !5)

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@ -284,7 +284,7 @@ attributes #7 = { builtin nounwind }
!19 = !DISubprogram(name: "A", line: 5, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 5, file: !1, scope: !"_ZTS1A", type: !20)
!20 = !DISubroutineType(types: !21)
!21 = !{null, !17, !22}
!22 = !DIDerivedType(tag: DW_TAG_reference_type, size: 64, align: 64, baseType: !23)
!22 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !23)
!23 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !"_ZTS1A")
!25 = !DISubprogram(name: "operator=", linkageName: "_ZN1AaSERKS_", line: 7, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 7, file: !1, scope: !"_ZTS1A", type: !26)
!26 = !DISubroutineType(types: !27)

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@ -113,6 +113,6 @@ catch:
!10 = !{!"clang version 3.8.0 (trunk 254906) (llvm/trunk 254917)"}
!11 = !DILocalVariable(name: "p", scope: !4, file: !1, line: 2, type: !12)
!12 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
!13 = !DIExpression(DW_OP_deref)
!13 = !DIExpression()
!14 = !DILocation(line: 2, column: 8, scope: !4)
!15 = !DILocation(line: 3, column: 1, scope: !4)

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@ -118,7 +118,7 @@ entry:
; Insert a meaningless dbg.value intrinsic; it should have no
; effect on the working of DSE in any way.
call void @llvm.dbg.value(metadata i32 undef, i64 0, metadata !10, metadata !DIExpression()), !dbg !DILocation(scope: !4)
call void @llvm.dbg.value(metadata i32* undef, i64 0, metadata !10, metadata !DIExpression()), !dbg !DILocation(scope: !4)
; CHECK: store i32 -1, i32* @x, align 4
store i32 -1, i32* @x, align 4

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@ -25,8 +25,8 @@ define i32 @depth(double* nocapture %A, i32 %m) #0 !dbg !4 {
entry:
tail call void @llvm.dbg.value(metadata double* %A, i64 0, metadata !12, metadata !DIExpression()), !dbg !19
tail call void @llvm.dbg.value(metadata i32 %m, i64 0, metadata !13, metadata !DIExpression()), !dbg !19
tail call void @llvm.dbg.value(metadata double 0.0, i64 0, metadata !14, metadata !DIExpression()), !dbg !21
tail call void @llvm.dbg.value(metadata double 0.2, i64 0, metadata !15, metadata !DIExpression()), !dbg !21
tail call void @llvm.dbg.value(metadata i32 00, i64 0, metadata !14, metadata !DIExpression()), !dbg !21
tail call void @llvm.dbg.value(metadata i32 02, i64 0, metadata !15, metadata !DIExpression()), !dbg !21
tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !16, metadata !DIExpression()), !dbg !23
%cmp8 = icmp sgt i32 %m, 0, !dbg !23
br i1 %cmp8, label %for.body.lr.ph, label %for.end, !dbg !23