mirror of
https://github.com/RPCS3/llvm.git
synced 2024-12-16 16:37:42 +00:00
Revert "Recommit r212203: Don't try to construct debug LexicalScopes hierarchy for functions that do not have top level debug information."
This reverts commit r212649 while I investigate/reduce/etc PR20367. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213581 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
parent
6892361eee
commit
529165298e
@ -731,8 +731,6 @@ void DwarfDebug::beginModule() {
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const Module *M = MMI->getModule();
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FunctionDIs = makeSubprogramMap(*M);
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// If module has named metadata anchors then use them, otherwise scan the
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// module using debug info finder to collect debug info.
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NamedMDNode *CU_Nodes = M->getNamedMetadata("llvm.dbg.cu");
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@ -1418,10 +1416,6 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) {
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if (!MMI->hasDebugInfo())
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return;
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auto DI = FunctionDIs.find(MF->getFunction());
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if (DI == FunctionDIs.end())
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return;
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// Grab the lexical scopes for the function, if we don't have any of those
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// then we're not going to be able to do anything.
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LScopes.initialize(*MF);
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@ -1437,14 +1431,6 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) {
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// belongs to so that we add to the correct per-cu line table in the
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// non-asm case.
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LexicalScope *FnScope = LScopes.getCurrentFunctionScope();
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// FnScope->getScopeNode() and DI->second should represent the same function,
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// though they may not be the same MDNode due to inline functions merged in
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// LTO where the debug info metadata still differs (either due to distinct
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// written differences - two versions of a linkonce_odr function
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// written/copied into two separate files, or some sub-optimal metadata that
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// isn't structurally identical (see: file path/name info from clang, which
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// includes the directory of the cpp file being built, even when the file name
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// is absolute (such as an <> lookup header)))
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DwarfCompileUnit *TheCU = SPMap.lookup(FnScope->getScopeNode());
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assert(TheCU && "Unable to find compile unit!");
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if (Asm->OutStreamer.hasRawTextSupport())
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@ -1542,8 +1528,7 @@ void DwarfDebug::endFunction(const MachineFunction *MF) {
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assert(CurFn == MF);
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assert(CurFn != nullptr);
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if (!MMI->hasDebugInfo() || LScopes.empty() ||
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!FunctionDIs.count(MF->getFunction())) {
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if (!MMI->hasDebugInfo() || LScopes.empty()) {
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// If we don't have a lexical scope for this function then there will
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// be a hole in the range information. Keep note of this by setting the
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// previously used section to nullptr.
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@ -330,8 +330,6 @@ class DwarfDebug : public AsmPrinterHandler {
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DwarfAccelTable AccelNamespace;
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DwarfAccelTable AccelTypes;
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DenseMap<const Function *, DISubprogram> FunctionDIs;
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MCDwarfDwoLineTable *getDwoLineTable(const DwarfCompileUnit &);
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void addScopeVariable(LexicalScope *LS, DbgVariable *Var);
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@ -329,13 +329,12 @@ class LDVImpl {
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void computeIntervals();
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public:
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LDVImpl(LiveDebugVariables *ps)
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: pass(*ps), MF(nullptr), EmitDone(false), ModifiedMF(false) {}
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LDVImpl(LiveDebugVariables *ps) : pass(*ps), EmitDone(false),
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ModifiedMF(false) {}
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bool runOnMachineFunction(MachineFunction &mf);
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/// clear - Release all memory.
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void clear() {
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MF = nullptr;
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userValues.clear();
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virtRegToEqClass.clear();
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userVarMap.clear();
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@ -694,11 +693,11 @@ void LDVImpl::computeIntervals() {
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}
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bool LDVImpl::runOnMachineFunction(MachineFunction &mf) {
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clear();
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MF = &mf;
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LIS = &pass.getAnalysis<LiveIntervals>();
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MDT = &pass.getAnalysis<MachineDominatorTree>();
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TRI = mf.getTarget().getRegisterInfo();
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clear();
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LS.initialize(mf);
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DEBUG(dbgs() << "********** COMPUTING LIVE DEBUG VARIABLES: "
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<< mf.getName() << " **********\n");
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@ -713,8 +712,6 @@ bool LDVImpl::runOnMachineFunction(MachineFunction &mf) {
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bool LiveDebugVariables::runOnMachineFunction(MachineFunction &mf) {
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if (!EnableLDV)
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return false;
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if (!FunctionDIs.count(mf.getFunction()))
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return false;
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if (!pImpl)
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pImpl = new LDVImpl(this);
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return static_cast<LDVImpl*>(pImpl)->runOnMachineFunction(mf);
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@ -977,8 +974,6 @@ void UserValue::emitDebugValues(VirtRegMap *VRM, LiveIntervals &LIS,
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void LDVImpl::emitDebugValues(VirtRegMap *VRM) {
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DEBUG(dbgs() << "********** EMITTING LIVE DEBUG VARIABLES **********\n");
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if (!MF)
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return;
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const TargetInstrInfo *TII = MF->getTarget().getInstrInfo();
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for (unsigned i = 0, e = userValues.size(); i != e; ++i) {
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DEBUG(userValues[i]->print(dbgs(), &MF->getTarget()));
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@ -993,10 +988,6 @@ void LiveDebugVariables::emitDebugValues(VirtRegMap *VRM) {
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static_cast<LDVImpl*>(pImpl)->emitDebugValues(VRM);
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}
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bool LiveDebugVariables::doInitialization(Module &M) {
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FunctionDIs = makeSubprogramMap(M);
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return Pass::doInitialization(M);
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}
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#ifndef NDEBUG
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void LiveDebugVariables::dump() {
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@ -22,7 +22,6 @@
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#define LLVM_CODEGEN_LIVEDEBUGVARIABLES_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/IR/DebugInfo.h"
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#include "llvm/CodeGen/MachineFunctionPass.h"
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namespace llvm {
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@ -33,7 +32,6 @@ class VirtRegMap;
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class LiveDebugVariables : public MachineFunctionPass {
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void *pImpl;
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DenseMap<const Function*, DISubprogram> FunctionDIs;
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public:
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static char ID; // Pass identification, replacement for typeid
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@ -66,7 +64,6 @@ private:
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bool runOnMachineFunction(MachineFunction &) override;
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void releaseMemory() override;
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void getAnalysisUsage(AnalysisUsage &) const override;
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bool doInitialization(Module &) override;
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};
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@ -24,7 +24,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
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!llvm.dbg.lv = !{!0, !14, !15, !16, !17, !24, !25, !28}
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!0 = metadata !{i32 786689, metadata !1, metadata !"this", metadata !3, i32 11, metadata !12, i32 0, null} ; [ DW_TAG_arg_variable ]
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!1 = metadata !{i32 786478, metadata !31, metadata !2, metadata !"bar", metadata !"bar", metadata !"_ZN3foo3barEi", i32 11, metadata !9, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 true, i32 (%struct.foo*, i32)* null, null, null, null, i32 11} ; [ DW_TAG_subprogram ]
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!1 = metadata !{i32 786478, metadata !31, metadata !2, metadata !"bar", metadata !"bar", metadata !"_ZN3foo3barEi", i32 11, metadata !9, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 true, i32 (%struct.foo*, i32)* @_ZN3foo3bazEi, null, null, null, i32 11} ; [ DW_TAG_subprogram ]
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!2 = metadata !{i32 786451, metadata !31, metadata !3, metadata !"foo", i32 3, i64 32, i64 32, i64 0, i32 0, null, metadata !5, i32 0, null, null, null} ; [ DW_TAG_structure_type ] [foo] [line 3, size 32, align 32, offset 0] [def] [from ]
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!3 = metadata !{i32 786473, metadata !31} ; [ DW_TAG_file_type ]
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!4 = metadata !{i32 786449, metadata !31, i32 4, metadata !"4.2.1 LLVM build", i1 true, metadata !"", i32 0, metadata !32, metadata !32, metadata !33, null, null, metadata !""} ; [ DW_TAG_compile_unit ]
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@ -52,153 +52,58 @@ define void @_Z3barii(i32 %param1, i32 %param2) #0 {
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entry:
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%var1 = alloca %struct.AAA3, align 1
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%var2 = alloca %struct.AAA3, align 1
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tail call void @llvm.dbg.value(metadata !{i32 %param1}, i64 0, metadata !30), !dbg !47
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tail call void @llvm.dbg.value(metadata !{i32 %param2}, i64 0, metadata !31), !dbg !47
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tail call void @llvm.dbg.value(metadata !48, i64 0, metadata !32), !dbg !49
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%tobool = icmp eq i32 %param2, 0, !dbg !50
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br i1 %tobool, label %if.end, label %if.then, !dbg !50
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%tobool = icmp eq i32 %param2, 0
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br i1 %tobool, label %if.end, label %if.then
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if.then: ; preds = %entry
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%call = tail call i8* @_Z5i2stri(i32 %param2), !dbg !52
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tail call void @llvm.dbg.value(metadata !{i8* %call}, i64 0, metadata !32), !dbg !49
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br label %if.end, !dbg !54
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%call = call i8* @_Z5i2stri(i32 %param2)
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br label %if.end
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if.end: ; preds = %entry, %if.then
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tail call void @llvm.dbg.value(metadata !{%struct.AAA3* %var1}, i64 0, metadata !33), !dbg !55
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tail call void @llvm.dbg.value(metadata !{%struct.AAA3* %var1}, i64 0, metadata !56), !dbg !57
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tail call void @llvm.dbg.value(metadata !58, i64 0, metadata !59), !dbg !60
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%arraydecay.i = getelementptr inbounds %struct.AAA3* %var1, i64 0, i32 0, i64 0, !dbg !61
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call void @_Z3fooPcjPKc(i8* %arraydecay.i, i32 4, i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0)), !dbg !61
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call void @llvm.dbg.value(metadata !{%struct.AAA3* %var2}, i64 0, metadata !34), !dbg !63
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call void @llvm.dbg.value(metadata !{%struct.AAA3* %var2}, i64 0, metadata !64), !dbg !65
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call void @llvm.dbg.value(metadata !58, i64 0, metadata !66), !dbg !67
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%arraydecay.i5 = getelementptr inbounds %struct.AAA3* %var2, i64 0, i32 0, i64 0, !dbg !68
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call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0)), !dbg !68
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%tobool1 = icmp eq i32 %param1, 0, !dbg !69
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call void @llvm.dbg.value(metadata !{%struct.AAA3* %var2}, i64 0, metadata !34), !dbg !63
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br i1 %tobool1, label %if.else, label %if.then2, !dbg !69
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call void @llvm.dbg.value(metadata !{%struct.AAA3* %var1}, i64 0, metadata !60)
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call void @llvm.dbg.value(metadata !62, i64 0, metadata !63)
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%arraydecay.i = getelementptr inbounds %struct.AAA3* %var1, i64 0, i32 0, i64 0
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call void @_Z3fooPcjPKc(i8* %arraydecay.i, i32 4, i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0))
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call void @llvm.dbg.declare(metadata !{%struct.AAA3* %var2}, metadata !38)
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%arraydecay.i5 = getelementptr inbounds %struct.AAA3* %var2, i64 0, i32 0, i64 0
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call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0))
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%tobool1 = icmp eq i32 %param1, 0
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br i1 %tobool1, label %if.else, label %if.then2
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if.then2: ; preds = %if.end
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call void @llvm.dbg.value(metadata !{%struct.AAA3* %var2}, i64 0, metadata !71), !dbg !73
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call void @llvm.dbg.value(metadata !74, i64 0, metadata !75), !dbg !76
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call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([2 x i8]* @.str1, i64 0, i64 0)), !dbg !76
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br label %if.end3, !dbg !72
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call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([2 x i8]* @.str1, i64 0, i64 0))
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br label %if.end3
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if.else: ; preds = %if.end
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call void @llvm.dbg.value(metadata !{%struct.AAA3* %var2}, i64 0, metadata !77), !dbg !79
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call void @llvm.dbg.value(metadata !80, i64 0, metadata !81), !dbg !82
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call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([2 x i8]* @.str2, i64 0, i64 0)), !dbg !82
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call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([2 x i8]* @.str2, i64 0, i64 0))
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br label %if.end3
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if.end3: ; preds = %if.else, %if.then2
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call void @llvm.dbg.value(metadata !{%struct.AAA3* %var1}, i64 0, metadata !33), !dbg !55
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call void @llvm.dbg.value(metadata !{%struct.AAA3* %var1}, i64 0, metadata !83), !dbg !85
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call void @llvm.dbg.value(metadata !58, i64 0, metadata !86), !dbg !87
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call void @_Z3fooPcjPKc(i8* %arraydecay.i, i32 4, i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0)), !dbg !87
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ret void, !dbg !88
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call void @_Z3fooPcjPKc(i8* %arraydecay.i, i32 4, i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0))
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ret void
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}
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declare i8* @_Z5i2stri(i32) #1
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata) #1
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declare void @_Z3fooPcjPKc(i8*, i32, i8*) #1
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declare i8* @_Z5i2stri(i32) #2
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declare void @_Z3fooPcjPKc(i8*, i32, i8*) #2
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata) #2
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declare void @llvm.dbg.value(metadata, i64, metadata) #1
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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" }
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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" }
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attributes #2 = { nounwind readnone }
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attributes #1 = { nounwind readnone }
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attributes #2 = { "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" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!44, !45}
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!llvm.ident = !{!46}
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!llvm.module.flags = !{!48, !49}
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!llvm.ident = !{!50}
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!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 ", i1 true, metadata !"", i32 0, metadata !2, metadata !3, metadata !23, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/dbg-changes-codegen-branch-folding.cpp] [DW_LANG_C_plus_plus]
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!1 = metadata !{metadata !"dbg-changes-codegen-branch-folding.cpp", metadata !"/tmp/dbginfo"}
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!2 = metadata !{}
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!3 = metadata !{metadata !4}
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!4 = metadata !{i32 786451, metadata !1, null, metadata !"AAA3", i32 4, i64 32, i64 8, i32 0, i32 0, null, metadata !5, i32 0, null, null, metadata !"_ZTS4AAA3"} ; [ DW_TAG_structure_type ] [AAA3] [line 4, size 32, align 8, offset 0] [def] [from ]
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!5 = metadata !{metadata !6, metadata !11, metadata !17, metadata !18}
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!6 = metadata !{i32 786445, metadata !1, metadata !"_ZTS4AAA3", metadata !"text", i32 8, i64 32, i64 8, i64 0, i32 0, metadata !7} ; [ DW_TAG_member ] [text] [line 8, size 32, align 8, offset 0] [from ]
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!7 = metadata !{i32 786433, null, null, metadata !"", i32 0, i64 32, i64 8, i32 0, i32 0, metadata !8, metadata !9, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 32, align 8, offset 0] [from char]
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!8 = metadata !{i32 786468, null, null, metadata !"char", i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ] [char] [line 0, size 8, align 8, offset 0, enc DW_ATE_signed_char]
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!9 = metadata !{metadata !10}
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!10 = metadata !{i32 786465, i64 0, i64 4} ; [ DW_TAG_subrange_type ] [0, 3]
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!11 = metadata !{i32 786478, metadata !1, metadata !"_ZTS4AAA3", metadata !"AAA3", metadata !"AAA3", metadata !"", i32 5, metadata !12, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 true, null, null, i32 0, null, i32 5} ; [ DW_TAG_subprogram ] [line 5] [AAA3]
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!12 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !13, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!13 = metadata !{null, metadata !14, metadata !15}
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!14 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS4AAA3"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS4AAA3]
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!15 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !16} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from ]
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!16 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !8} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from char]
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!17 = metadata !{i32 786478, metadata !1, metadata !"_ZTS4AAA3", metadata !"operator=", metadata !"operator=", metadata !"_ZN4AAA3aSEPKc", i32 6, metadata !12, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 true, null, null, i32 0, null, i32 6} ; [ DW_TAG_subprogram ] [line 6] [operator=]
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!18 = metadata !{i32 786478, metadata !1, metadata !"_ZTS4AAA3", metadata !"operator const char *", metadata !"operator const char *", metadata !"_ZNK4AAA3cvPKcEv", i32 7, metadata !19, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 true, null, null, i32 0, null, i32 7} ; [ DW_TAG_subprogram ] [line 7] [operator const char *]
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!19 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !20, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!20 = metadata !{metadata !15, metadata !21}
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!21 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !22} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from ]
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!22 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !"_ZTS4AAA3"} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from _ZTS4AAA3]
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!23 = metadata !{metadata !24, metadata !35, metadata !40}
|
||||
!24 = metadata !{i32 786478, metadata !1, metadata !25, metadata !"bar", metadata !"bar", metadata !"_Z3barii", i32 11, metadata !26, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, void (i32, i32)* @_Z3barii, null, null, metadata !29, i32 11} ; [ DW_TAG_subprogram ] [line 11] [def] [bar]
|
||||
!25 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/dbg-changes-codegen-branch-folding.cpp]
|
||||
!26 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !27, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
|
||||
!27 = metadata !{null, metadata !28, metadata !28}
|
||||
!28 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
|
||||
!29 = metadata !{metadata !30, metadata !31, metadata !32, metadata !33, metadata !34}
|
||||
!30 = metadata !{i32 786689, metadata !24, metadata !"param1", metadata !25, i32 16777227, metadata !28, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [param1] [line 11]
|
||||
!31 = metadata !{i32 786689, metadata !24, metadata !"param2", metadata !25, i32 33554443, metadata !28, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [param2] [line 11]
|
||||
!32 = metadata !{i32 786688, metadata !24, metadata !"temp", metadata !25, i32 12, metadata !15, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [temp] [line 12]
|
||||
!33 = metadata !{i32 786688, metadata !24, metadata !"var1", metadata !25, i32 17, metadata !"_ZTS4AAA3", i32 0, i32 0} ; [ DW_TAG_auto_variable ] [var1] [line 17]
|
||||
!34 = metadata !{i32 786688, metadata !24, metadata !"var2", metadata !25, i32 18, metadata !"_ZTS4AAA3", i32 0, i32 0} ; [ DW_TAG_auto_variable ] [var2] [line 18]
|
||||
!35 = metadata !{i32 786478, metadata !1, metadata !"_ZTS4AAA3", metadata !"operator=", metadata !"operator=", metadata !"_ZN4AAA3aSEPKc", i32 6, metadata !12, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, null, null, metadata !17, metadata !36, i32 6} ; [ DW_TAG_subprogram ] [line 6] [def] [operator=]
|
||||
!36 = metadata !{metadata !37, metadata !39}
|
||||
!37 = metadata !{i32 786689, metadata !35, metadata !"this", null, i32 16777216, metadata !38, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
|
||||
!38 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS4AAA3"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS4AAA3]
|
||||
!39 = metadata !{i32 786689, metadata !35, metadata !"value", metadata !25, i32 33554438, metadata !15, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [value] [line 6]
|
||||
!40 = metadata !{i32 786478, metadata !1, metadata !"_ZTS4AAA3", metadata !"AAA3", metadata !"AAA3", metadata !"_ZN4AAA3C2EPKc", i32 5, metadata !12, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, null, null, metadata !11, metadata !41, i32 5} ; [ DW_TAG_subprogram ] [line 5] [def] [AAA3]
|
||||
!41 = metadata !{metadata !42, metadata !43}
|
||||
!42 = metadata !{i32 786689, metadata !40, metadata !"this", null, i32 16777216, metadata !38, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
|
||||
!43 = metadata !{i32 786689, metadata !40, metadata !"value", metadata !25, i32 33554437, metadata !15, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [value] [line 5]
|
||||
!44 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
|
||||
!45 = metadata !{i32 2, metadata !"Debug Info Version", i32 1}
|
||||
!46 = metadata !{metadata !"clang version 3.5.0 "}
|
||||
!47 = metadata !{i32 11, i32 0, metadata !24, null}
|
||||
!48 = metadata !{i8* null}
|
||||
!49 = metadata !{i32 12, i32 0, metadata !24, null}
|
||||
!50 = metadata !{i32 14, i32 0, metadata !51, null}
|
||||
!51 = metadata !{i32 786443, metadata !1, metadata !24, i32 14, i32 0, i32 0, i32 0} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/dbg-changes-codegen-branch-folding.cpp]
|
||||
!52 = metadata !{i32 15, i32 0, metadata !53, null}
|
||||
!53 = metadata !{i32 786443, metadata !1, metadata !51, i32 14, i32 0, i32 0, i32 1} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/dbg-changes-codegen-branch-folding.cpp]
|
||||
!54 = metadata !{i32 16, i32 0, metadata !53, null}
|
||||
!55 = metadata !{i32 17, i32 0, metadata !24, null}
|
||||
!56 = metadata !{i32 786689, metadata !40, metadata !"this", null, i32 16777216, metadata !38, i32 1088, metadata !55} ; [ DW_TAG_arg_variable ] [this] [line 0]
|
||||
!57 = metadata !{i32 0, i32 0, metadata !40, metadata !55}
|
||||
!58 = metadata !{i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0)}
|
||||
!59 = metadata !{i32 786689, metadata !40, metadata !"value", metadata !25, i32 33554437, metadata !15, i32 0, metadata !55} ; [ DW_TAG_arg_variable ] [value] [line 5]
|
||||
!60 = metadata !{i32 5, i32 0, metadata !40, metadata !55}
|
||||
!61 = metadata !{i32 5, i32 0, metadata !62, metadata !55}
|
||||
!62 = metadata !{i32 786443, metadata !1, metadata !40, i32 5, i32 0, i32 0, i32 3} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/dbg-changes-codegen-branch-folding.cpp]
|
||||
!63 = metadata !{i32 18, i32 0, metadata !24, null}
|
||||
!64 = metadata !{i32 786689, metadata !40, metadata !"this", null, i32 16777216, metadata !38, i32 1088, metadata !63} ; [ DW_TAG_arg_variable ] [this] [line 0]
|
||||
!65 = metadata !{i32 0, i32 0, metadata !40, metadata !63}
|
||||
!66 = metadata !{i32 786689, metadata !40, metadata !"value", metadata !25, i32 33554437, metadata !15, i32 0, metadata !63} ; [ DW_TAG_arg_variable ] [value] [line 5]
|
||||
!67 = metadata !{i32 5, i32 0, metadata !40, metadata !63}
|
||||
!68 = metadata !{i32 5, i32 0, metadata !62, metadata !63}
|
||||
!69 = metadata !{i32 20, i32 0, metadata !70, null}
|
||||
!70 = metadata !{i32 786443, metadata !1, metadata !24, i32 20, i32 0, i32 0, i32 2} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/dbg-changes-codegen-branch-folding.cpp]
|
||||
!71 = metadata !{i32 786689, metadata !35, metadata !"this", null, i32 16777216, metadata !38, i32 1088, metadata !72} ; [ DW_TAG_arg_variable ] [this] [line 0]
|
||||
!72 = metadata !{i32 21, i32 0, metadata !70, null}
|
||||
!73 = metadata !{i32 0, i32 0, metadata !35, metadata !72}
|
||||
!74 = metadata !{i8* getelementptr inbounds ([2 x i8]* @.str1, i64 0, i64 0)}
|
||||
!75 = metadata !{i32 786689, metadata !35, metadata !"value", metadata !25, i32 33554438, metadata !15, i32 0, metadata !72} ; [ DW_TAG_arg_variable ] [value] [line 6]
|
||||
!76 = metadata !{i32 6, i32 0, metadata !35, metadata !72}
|
||||
!77 = metadata !{i32 786689, metadata !35, metadata !"this", null, i32 16777216, metadata !38, i32 1088, metadata !78} ; [ DW_TAG_arg_variable ] [this] [line 0]
|
||||
!78 = metadata !{i32 23, i32 0, metadata !70, null}
|
||||
!79 = metadata !{i32 0, i32 0, metadata !35, metadata !78}
|
||||
!80 = metadata !{i8* getelementptr inbounds ([2 x i8]* @.str2, i64 0, i64 0)}
|
||||
!81 = metadata !{i32 786689, metadata !35, metadata !"value", metadata !25, i32 33554438, metadata !15, i32 0, metadata !78} ; [ DW_TAG_arg_variable ] [value] [line 6]
|
||||
!82 = metadata !{i32 6, i32 0, metadata !35, metadata !78}
|
||||
!83 = metadata !{i32 786689, metadata !35, metadata !"this", null, i32 16777216, metadata !38, i32 1088, metadata !84} ; [ DW_TAG_arg_variable ] [this] [line 0]
|
||||
!84 = metadata !{i32 24, i32 0, metadata !24, null}
|
||||
!85 = metadata !{i32 0, i32 0, metadata !35, metadata !84}
|
||||
!86 = metadata !{i32 786689, metadata !35, metadata !"value", metadata !25, i32 33554438, metadata !15, i32 0, metadata !84} ; [ DW_TAG_arg_variable ] [value] [line 6]
|
||||
!87 = metadata !{i32 6, i32 0, metadata !35, metadata !84}
|
||||
!88 = metadata !{i32 25, i32 0, metadata !24, null}
|
||||
!38 = metadata !{i32 786688, null, metadata !"var2", null, i32 20, null, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [var2] [line 20]
|
||||
!48 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
|
||||
!49 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
|
||||
!50 = metadata !{metadata !"clang version 3.5 (202418)"}
|
||||
!60 = metadata !{i32 786689, null, metadata !"this", null, i32 16777216, null, i32 1088, null} ; [ DW_TAG_arg_variable ] [this] [line 0]
|
||||
!62 = metadata !{i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0)}
|
||||
!63 = metadata !{i32 786689, null, metadata !"value", null, i32 33554439, null, i32 0, null} ; [ DW_TAG_arg_variable ] [value] [line 7]
|
||||
|
||||
@ -79,7 +79,7 @@ declare void @_Z8moz_freePv(i8*)
|
||||
!0 = metadata !{i32 786449, metadata !59, i32 4, metadata !"clang version 3.1 ()", i1 true, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !47, metadata !1, metadata !""} ; [ DW_TAG_compile_unit ]
|
||||
!1 = metadata !{}
|
||||
!3 = metadata !{metadata !5, metadata !23, metadata !27, metadata !31}
|
||||
!5 = metadata !{i32 720942, metadata !6, null, metadata !"Release", metadata !"Release", metadata !"_ZN17nsAutoRefCnt7ReleaseEv", i32 14, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i32 ()* @_ZN17nsAutoRefCnt7ReleaseEv , null, metadata !12, metadata !20, i32 14} ; [ DW_TAG_subprogram ] [line 14] [def] [Release]
|
||||
!5 = metadata !{i32 720942, metadata !6, null, metadata !"Release", metadata !"Release", metadata !"_ZN17nsAutoRefCnt7ReleaseEv", i32 14, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i32* null, null, metadata !12, metadata !20, i32 14} ; [ DW_TAG_subprogram ] [line 14] [def] [Release]
|
||||
!6 = metadata !{i32 720937, metadata !59} ; [ DW_TAG_file_type ]
|
||||
!7 = metadata !{i32 720917, i32 0, null, i32 0, i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
|
||||
!8 = metadata !{metadata !9, metadata !10}
|
||||
@ -95,7 +95,7 @@ declare void @_Z8moz_freePv(i8*)
|
||||
!18 = metadata !{}
|
||||
!20 = metadata !{metadata !22}
|
||||
!22 = metadata !{i32 786689, metadata !5, metadata !"this", metadata !6, i32 16777230, metadata !10, i32 64, i32 0} ; [ DW_TAG_arg_variable ]
|
||||
!23 = metadata !{i32 720942, metadata !6, null, metadata !"~nsAutoRefCnt", metadata !"~nsAutoRefCnt", metadata !"_ZN17nsAutoRefCntD1Ev", i32 18, metadata !16, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, void ()* @_ZN17nsAutoRefCntD1Ev, null, metadata !15, metadata !24, i32 18} ; [ DW_TAG_subprogram ] [line 18] [def] [~nsAutoRefCnt]
|
||||
!23 = metadata !{i32 720942, metadata !6, null, metadata !"~nsAutoRefCnt", metadata !"~nsAutoRefCnt", metadata !"_ZN17nsAutoRefCntD1Ev", i32 18, metadata !16, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i32* null, null, metadata !15, metadata !24, i32 18} ; [ DW_TAG_subprogram ] [line 18] [def] [~nsAutoRefCnt]
|
||||
!24 = metadata !{metadata !26}
|
||||
!26 = metadata !{i32 786689, metadata !23, metadata !"this", metadata !6, i32 16777234, metadata !10, i32 64, i32 0} ; [ DW_TAG_arg_variable ]
|
||||
!27 = metadata !{i32 720942, metadata !6, null, metadata !"~nsAutoRefCnt", metadata !"~nsAutoRefCnt", metadata !"_ZN17nsAutoRefCntD2Ev", i32 18, metadata !16, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i32* null, null, metadata !15, metadata !28, i32 18} ; [ DW_TAG_subprogram ] [line 18] [def] [~nsAutoRefCnt]
|
||||
|
||||
@ -1,95 +0,0 @@
|
||||
; REQUIRES: object-emission
|
||||
|
||||
; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
|
||||
|
||||
; Testing that two distinct (distinct by writing them in separate files, while
|
||||
; still fulfilling C++'s ODR by having identical token sequences) functions,
|
||||
; linked under LTO, get plausible debug info (and don't crash).
|
||||
|
||||
; Built from source:
|
||||
; $ clang++ a.cpp b.cpp -g -c -emit-llvm
|
||||
; $ llvm-link a.bc b.bc -o ab.bc
|
||||
|
||||
; This change is intended to tickle a case where the subprogram MDNode
|
||||
; associated with the llvm::Function will differ from the subprogram
|
||||
; referenced by the DbgLocs in the function.
|
||||
|
||||
; $ sed -ie "s/!12, !0/!0, !12/" ab.ll
|
||||
; $ cat a.cpp
|
||||
; inline int func(int i) {
|
||||
; return i * 2;
|
||||
; }
|
||||
; int (*x)(int) = &func;
|
||||
; $ cat b.cpp
|
||||
; inline int func(int i) {
|
||||
; return i * 2;
|
||||
; }
|
||||
; int (*y)(int) = &func;
|
||||
|
||||
; CHECK: DW_TAG_compile_unit
|
||||
; CHECK: DW_TAG_subprogram
|
||||
; CHECK-NOT: DW_TAG
|
||||
; CHECK: DW_AT_name {{.*}} "func"
|
||||
; CHECK: DW_TAG_compile_unit
|
||||
|
||||
; FIXME: Maybe we should drop the subprogram here - since the function was
|
||||
; emitted in one CU, due to linkonce_odr uniquing. We certainly don't emit the
|
||||
; subprogram here if the source location for this definition is the same (see
|
||||
; test/DebugInfo/cross-cu-linkonce.ll), though it's very easy to tickle that
|
||||
; into failing even without duplicating the source as has been done in this
|
||||
; case (two cpp files in different directories, including the same header that
|
||||
; contains an inline function - clang will produce distinct subprogram metadata
|
||||
; that won't deduplicate owing to the file location information containing the
|
||||
; directory of the source file even though the file name is absolute, not
|
||||
; relative)
|
||||
|
||||
; CHECK: DW_TAG_subprogram
|
||||
|
||||
@x = global i32 (i32)* @_Z4funci, align 8
|
||||
@y = global i32 (i32)* @_Z4funci, align 8
|
||||
|
||||
; Function Attrs: inlinehint nounwind uwtable
|
||||
define linkonce_odr i32 @_Z4funci(i32 %i) #0 {
|
||||
%1 = alloca i32, align 4
|
||||
store i32 %i, i32* %1, align 4
|
||||
call void @llvm.dbg.declare(metadata !{i32* %1}, metadata !22), !dbg !23
|
||||
%2 = load i32* %1, align 4, !dbg !24
|
||||
%3 = mul nsw i32 %2, 2, !dbg !24
|
||||
ret i32 %3, !dbg !24
|
||||
}
|
||||
|
||||
; Function Attrs: nounwind readnone
|
||||
declare void @llvm.dbg.declare(metadata, metadata) #1
|
||||
|
||||
attributes #0 = { inlinehint nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "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 = { nounwind readnone }
|
||||
|
||||
!llvm.dbg.cu = !{!12, !0}
|
||||
!llvm.module.flags = !{!19, !20}
|
||||
!llvm.ident = !{!21, !21}
|
||||
|
||||
!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !9, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/a.cpp] [DW_LANG_C_plus_plus]
|
||||
!1 = metadata !{metadata !"a.cpp", metadata !"/tmp/dbginfo"}
|
||||
!2 = metadata !{}
|
||||
!3 = metadata !{metadata !4}
|
||||
!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"func", metadata !"func", metadata !"_Z4funci", i32 1, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @_Z4funci, null, null, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [func]
|
||||
!5 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/a.cpp]
|
||||
!6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
|
||||
!7 = metadata !{metadata !8, metadata !8}
|
||||
!8 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
|
||||
!9 = metadata !{metadata !10}
|
||||
!10 = metadata !{i32 786484, i32 0, null, metadata !"x", metadata !"x", metadata !"", metadata !5, i32 4, metadata !11, i32 0, i32 1, i32 (i32)** @x, null} ; [ DW_TAG_variable ] [x] [line 4] [def]
|
||||
!11 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !6} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from ]
|
||||
!12 = metadata !{i32 786449, metadata !13, i32 4, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !14, metadata !17, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/b.cpp] [DW_LANG_C_plus_plus]
|
||||
!13 = metadata !{metadata !"b.cpp", metadata !"/tmp/dbginfo"}
|
||||
!14 = metadata !{metadata !15}
|
||||
!15 = metadata !{i32 786478, metadata !13, metadata !16, metadata !"func", metadata !"func", metadata !"_Z4funci", i32 1, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @_Z4funci, null, null, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [func]
|
||||
!16 = metadata !{i32 786473, metadata !13} ; [ DW_TAG_file_type ] [/tmp/dbginfo/b.cpp]
|
||||
!17 = metadata !{metadata !18}
|
||||
!18 = metadata !{i32 786484, i32 0, null, metadata !"y", metadata !"y", metadata !"", metadata !16, i32 4, metadata !11, i32 0, i32 1, i32 (i32)** @y, null} ; [ DW_TAG_variable ] [y] [line 4] [def]
|
||||
!19 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
|
||||
!20 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
|
||||
!21 = metadata !{metadata !"clang version 3.5.0 "}
|
||||
!22 = metadata !{i32 786689, metadata !4, metadata !"i", metadata !5, i32 16777217, metadata !8, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [i] [line 1]
|
||||
!23 = metadata !{i32 1, i32 0, metadata !4, null}
|
||||
!24 = metadata !{i32 2, i32 0, metadata !4, null}
|
||||
@ -1,51 +0,0 @@
|
||||
; REQUIRES: object-emission
|
||||
|
||||
; RUN: %llc_dwarf < %s -filetype=obj | llvm-dwarfdump -debug-dump=info - | FileCheck %s
|
||||
|
||||
; Test that a nodebug function (a function not appearing in the debug info IR
|
||||
; metadata subprogram list) with DebugLocs on its IR doesn't cause crashes/does
|
||||
; the right thing.
|
||||
|
||||
; Build with clang from the following:
|
||||
; extern int i;
|
||||
; inline __attribute__((always_inline)) void f1() {
|
||||
; i = 3;
|
||||
; }
|
||||
;
|
||||
; __attribute__((nodebug)) void f2() {
|
||||
; f1();
|
||||
; }
|
||||
|
||||
; Check that there's only one DW_TAG_subprogram, nothing for the 'f2' function.
|
||||
; CHECK: DW_TAG_subprogram
|
||||
; CHECK-NOT: DW_TAG
|
||||
; CHECK: DW_AT_name {{.*}} "f1"
|
||||
; CHECK-NOT: DW_TAG_subprogram
|
||||
|
||||
@i = external global i32
|
||||
|
||||
; Function Attrs: uwtable
|
||||
define void @_Z2f2v() #0 {
|
||||
entry:
|
||||
store i32 3, i32* @i, align 4, !dbg !11
|
||||
ret void
|
||||
}
|
||||
|
||||
attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
||||
|
||||
!llvm.dbg.cu = !{!0}
|
||||
!llvm.module.flags = !{!8, !9}
|
||||
!llvm.ident = !{!10}
|
||||
|
||||
!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/nodebug.cpp] [DW_LANG_C_plus_plus]
|
||||
!1 = metadata !{metadata !"nodebug.cpp", metadata !"/tmp/dbginfo"}
|
||||
!2 = metadata !{}
|
||||
!3 = metadata !{metadata !4}
|
||||
!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"f1", metadata !"f1", metadata !"_Z2f1v", i32 2, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, null, null, null, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [f1]
|
||||
!5 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/nodebug.cpp]
|
||||
!6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
|
||||
!7 = metadata !{null}
|
||||
!8 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
|
||||
!9 = metadata !{i32 2, metadata !"Debug Info Version", i32 1}
|
||||
!10 = metadata !{metadata !"clang version 3.5.0 "}
|
||||
!11 = metadata !{i32 3, i32 0, metadata !4, null}
|
||||
Loading…
Reference in New Issue
Block a user