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Recommit "[MS] Emit S_HEAPALLOCSITE debug info in Selection DAG"
with a fix to clear the SDNode map when SelectionDAG is cleared. llvm-svn: 368230
This commit is contained in:
parent
6265be03ba
commit
87f32fc007
@ -269,7 +269,13 @@ class SelectionDAG {
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using CallSiteInfo = MachineFunction::CallSiteInfo;
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using CallSiteInfo = MachineFunction::CallSiteInfo;
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using CallSiteInfoImpl = MachineFunction::CallSiteInfoImpl;
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using CallSiteInfoImpl = MachineFunction::CallSiteInfoImpl;
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DenseMap<const SDNode *, CallSiteInfo> SDCallSiteInfo;
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struct CallSiteDbgInfo {
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CallSiteInfo CSInfo;
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MDNode *HeapAllocSite = nullptr;
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};
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DenseMap<const SDNode *, CallSiteDbgInfo> SDCallSiteDbgInfo;
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uint16_t NextPersistentId = 0;
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uint16_t NextPersistentId = 0;
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@ -1665,16 +1671,28 @@ public:
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}
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}
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void addCallSiteInfo(const SDNode *CallNode, CallSiteInfoImpl &&CallInfo) {
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void addCallSiteInfo(const SDNode *CallNode, CallSiteInfoImpl &&CallInfo) {
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SDCallSiteInfo[CallNode] = std::move(CallInfo);
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SDCallSiteDbgInfo[CallNode].CSInfo = std::move(CallInfo);
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}
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}
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CallSiteInfo getSDCallSiteInfo(const SDNode *CallNode) {
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CallSiteInfo getSDCallSiteInfo(const SDNode *CallNode) {
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auto I = SDCallSiteInfo.find(CallNode);
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auto I = SDCallSiteDbgInfo.find(CallNode);
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if (I != SDCallSiteInfo.end())
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if (I != SDCallSiteDbgInfo.end())
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return std::move(I->second);
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return std::move(I->second).CSInfo;
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return CallSiteInfo();
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return CallSiteInfo();
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}
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}
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void addHeapAllocSite(const SDNode *Node, MDNode *MD) {
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SDCallSiteDbgInfo[Node].HeapAllocSite = MD;
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}
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/// Return the HeapAllocSite type associated with the SDNode, if it exists.
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MDNode *getHeapAllocSite(const SDNode *Node) {
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auto It = SDCallSiteDbgInfo.find(Node);
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if (It == SDCallSiteDbgInfo.end())
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return nullptr;
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return It->second.HeapAllocSite;
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}
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private:
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private:
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void InsertNode(SDNode *N);
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void InsertNode(SDNode *N);
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bool RemoveNodeFromCSEMaps(SDNode *N);
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bool RemoveNodeFromCSEMaps(SDNode *N);
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@ -909,6 +909,12 @@ EmitSchedule(MachineBasicBlock::iterator &InsertPos) {
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// Remember the source order of the inserted instruction.
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// Remember the source order of the inserted instruction.
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if (HasDbg)
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if (HasDbg)
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ProcessSourceNode(N, DAG, Emitter, VRBaseMap, Orders, Seen, NewInsn);
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ProcessSourceNode(N, DAG, Emitter, VRBaseMap, Orders, Seen, NewInsn);
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if (MDNode *MD = DAG->getHeapAllocSite(N)) {
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if (NewInsn && NewInsn->isCall())
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MF.addCodeViewHeapAllocSite(NewInsn, MD);
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}
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GluedNodes.pop_back();
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GluedNodes.pop_back();
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}
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}
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auto NewInsn =
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auto NewInsn =
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@ -917,6 +923,10 @@ EmitSchedule(MachineBasicBlock::iterator &InsertPos) {
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if (HasDbg)
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if (HasDbg)
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ProcessSourceNode(SU->getNode(), DAG, Emitter, VRBaseMap, Orders, Seen,
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ProcessSourceNode(SU->getNode(), DAG, Emitter, VRBaseMap, Orders, Seen,
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NewInsn);
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NewInsn);
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if (MDNode *MD = DAG->getHeapAllocSite(SU->getNode())) {
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if (NewInsn && NewInsn->isCall())
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MF.addCodeViewHeapAllocSite(NewInsn, MD);
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}
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}
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}
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// Insert all the dbg_values which have not already been inserted in source
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// Insert all the dbg_values which have not already been inserted in source
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@ -1083,6 +1083,7 @@ void SelectionDAG::clear() {
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ExternalSymbols.clear();
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ExternalSymbols.clear();
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TargetExternalSymbols.clear();
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TargetExternalSymbols.clear();
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MCSymbols.clear();
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MCSymbols.clear();
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SDCallSiteDbgInfo.clear();
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std::fill(CondCodeNodes.begin(), CondCodeNodes.end(),
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std::fill(CondCodeNodes.begin(), CondCodeNodes.end(),
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static_cast<CondCodeSDNode*>(nullptr));
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static_cast<CondCodeSDNode*>(nullptr));
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std::fill(ValueTypeNodes.begin(), ValueTypeNodes.end(),
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std::fill(ValueTypeNodes.begin(), ValueTypeNodes.end(),
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@ -4069,6 +4069,11 @@ X86TargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
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InFlag = Chain.getValue(1);
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InFlag = Chain.getValue(1);
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DAG.addCallSiteInfo(Chain.getNode(), std::move(CSInfo));
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DAG.addCallSiteInfo(Chain.getNode(), std::move(CSInfo));
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// Save heapallocsite metadata.
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if (CLI.CS)
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if (MDNode *HeapAlloc = CLI.CS->getMetadata("heapallocsite"))
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DAG.addHeapAllocSite(Chain.getNode(), HeapAlloc);
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// Create the CALLSEQ_END node.
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// Create the CALLSEQ_END node.
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unsigned NumBytesForCalleeToPop;
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unsigned NumBytesForCalleeToPop;
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if (X86::isCalleePop(CallConv, Is64Bit, isVarArg,
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if (X86::isCalleePop(CallConv, Is64Bit, isVarArg,
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@ -1,80 +1,96 @@
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; RUN: llc -O0 < %s | FileCheck %s
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; RUN: llc < %s | FileCheck --check-prefixes=DAG,CHECK %s
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; FIXME: Add test for llc with optimizations once it is implemented.
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; RUN: llc -O0 < %s | FileCheck --check-prefixes=FAST,CHECK %s
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; Source to regenerate:
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; Source to regenerate:
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; $ clang --target=x86_64-windows-msvc -S heapallocsite.cpp -g -gcodeview -o t.ll \
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; $ clang -cc1 -triple x86_64-windows-msvc t.cpp -debug-info-kind=limited \
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; -emit-llvm -O0 -Xclang -disable-llvm-passes -fms-extensions
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; -gcodeview -O2 -fms-extensions -emit-llvm -o t.ll
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;
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;
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; struct Foo {
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; extern "C" struct Foo {
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; __declspec(allocator) virtual void *alloc();
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; __declspec(allocator) virtual void *alloc();
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; };
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; };
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;
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; extern "C" __declspec(allocator) Foo *alloc_foo();
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; extern "C" __declspec(allocator) Foo *alloc_foo();
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;
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; extern "C" void use_result(void *);
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; extern "C" void use_alloc(void*);
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; extern "C" Foo *call_tail() {
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; extern "C" void call_virtual(Foo *p) {
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; return alloc_foo();
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; use_alloc(p->alloc());
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; }
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; }
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;
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; extern "C" int call_virtual(Foo *p) {
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; extern "C" void call_multiple() {
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; use_result(p->alloc());
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; use_alloc(alloc_foo());
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; return 0;
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; use_alloc(alloc_foo());
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; }
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; extern "C" int call_multiple() {
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; use_result(alloc_foo());
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; use_result(alloc_foo());
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; return 0;
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; }
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; }
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; ModuleID = 't.cpp'
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source_filename = "t.cpp"
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target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
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target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-windows-msvc"
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target triple = "x86_64-unknown-windows-msvc"
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%struct.Foo = type { i32 (...)** }
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%struct.Foo = type { i32 (...)** }
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; Function Attrs: noinline optnone uwtable
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; Function Attrs: nounwind
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define dso_local void @call_virtual(%struct.Foo* %p) #0 !dbg !8 {
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define dso_local %struct.Foo* @call_tail() local_unnamed_addr #0 !dbg !7 {
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entry:
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entry:
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%p.addr = alloca %struct.Foo*, align 8
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%call = tail call %struct.Foo* @alloc_foo() #3, !dbg !13, !heapallocsite !12
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store %struct.Foo* %p, %struct.Foo** %p.addr, align 8
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ret %struct.Foo* %call, !dbg !13
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call void @llvm.dbg.declare(metadata %struct.Foo** %p.addr, metadata !13, metadata !DIExpression()), !dbg !14
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%0 = load %struct.Foo*, %struct.Foo** %p.addr, align 8, !dbg !15
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%1 = bitcast %struct.Foo* %0 to i8* (%struct.Foo*)***, !dbg !15
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%vtable = load i8* (%struct.Foo*)**, i8* (%struct.Foo*)*** %1, align 8, !dbg !15
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%vfn = getelementptr inbounds i8* (%struct.Foo*)*, i8* (%struct.Foo*)** %vtable, i64 0, !dbg !15
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%2 = load i8* (%struct.Foo*)*, i8* (%struct.Foo*)** %vfn, align 8, !dbg !15
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%call = call i8* %2(%struct.Foo* %0), !dbg !15, !heapallocsite !2
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call void @use_alloc(i8* %call), !dbg !15
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ret void, !dbg !16
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}
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}
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; Function Attrs: nounwind readnone speculatable
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declare dso_local %struct.Foo* @alloc_foo() local_unnamed_addr #1
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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declare dso_local void @use_alloc(i8*) #2
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; Function Attrs: nounwind
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define dso_local i32 @call_virtual(%struct.Foo* %p) local_unnamed_addr #0 !dbg !14 {
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; Function Attrs: noinline optnone uwtable
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define dso_local void @call_multiple() #0 !dbg !17 {
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entry:
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entry:
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%call = call %struct.Foo* @alloc_foo(), !dbg !20, !heapallocsite !12
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call void @llvm.dbg.value(metadata %struct.Foo* %p, metadata !19, metadata !DIExpression()), !dbg !20
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%0 = bitcast %struct.Foo* %call to i8*, !dbg !20
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%0 = bitcast %struct.Foo* %p to i8* (%struct.Foo*)***, !dbg !21
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call void @use_alloc(i8* %0), !dbg !20
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%vtable = load i8* (%struct.Foo*)**, i8* (%struct.Foo*)*** %0, align 8, !dbg !21, !tbaa !22
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%call1 = call %struct.Foo* @alloc_foo(), !dbg !21, !heapallocsite !12
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%1 = load i8* (%struct.Foo*)*, i8* (%struct.Foo*)** %vtable, align 8, !dbg !21
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%1 = bitcast %struct.Foo* %call1 to i8*, !dbg !21
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%call = tail call i8* %1(%struct.Foo* %p) #3, !dbg !21, !heapallocsite !2
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call void @use_alloc(i8* %1), !dbg !21
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tail call void @use_result(i8* %call) #3, !dbg !21
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ret void, !dbg !22
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ret i32 0, !dbg !25
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}
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}
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declare dso_local %struct.Foo* @alloc_foo() #2
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declare dso_local void @use_result(i8*) local_unnamed_addr #1
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; Function Attrs: nounwind
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define dso_local i32 @call_multiple() local_unnamed_addr #0 !dbg !26 {
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entry:
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%call = tail call %struct.Foo* @alloc_foo() #3, !dbg !29, !heapallocsite !12
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%0 = bitcast %struct.Foo* %call to i8*, !dbg !29
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tail call void @use_result(i8* %0) #3, !dbg !29
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%call1 = tail call %struct.Foo* @alloc_foo() #3, !dbg !30, !heapallocsite !12
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%1 = bitcast %struct.Foo* %call1 to i8*, !dbg !30
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tail call void @use_result(i8* %1) #3, !dbg !30
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ret i32 0, !dbg !31
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}
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; Function Attrs: nounwind readnone speculatable willreturn
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declare void @llvm.dbg.value(metadata, metadata, metadata) #2
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; Don't emit metadata for tail calls.
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; CHECK-LABEL: call_tail: # @call_tail
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; CHECK-NOT: .Lheapallocsite
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; CHECK: jmp alloc_foo
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; CHECK-LABEL: call_virtual: # @call_virtual
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; CHECK-LABEL: call_virtual: # @call_virtual
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; CHECK: .Lheapallocsite0:
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; CHECK: .Lheapallocsite0:
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; CHECK: callq *(%rax)
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; CHECK: callq *{{.*}}%rax{{.*}}
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; CHECK: .Lheapallocsite1:
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; CHECK: .Lheapallocsite1:
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; CHECK: retq
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; CHECK-LABEL: call_multiple: # @call_multiple
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; CHECK-LABEL: call_multiple: # @call_multiple
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; CHECK: .Lheapallocsite4:
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; FastISel emits instructions in a different order.
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; DAG: .Lheapallocsite2:
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; FAST: .Lheapallocsite4:
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; CHECK: callq alloc_foo
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; CHECK: callq alloc_foo
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; CHECK: .Lheapallocsite5:
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; DAG: .Lheapallocsite3:
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; CHECK: .Lheapallocsite2:
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; FAST: .Lheapallocsite5:
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; DAG: .Lheapallocsite4:
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; FAST: .Lheapallocsite2:
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; CHECK: callq alloc_foo
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; CHECK: callq alloc_foo
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; CHECK: .Lheapallocsite3:
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; DAG: .Lheapallocsite5:
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; CHECK: retq
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; FAST: .Lheapallocsite3:
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; CHECK-LABEL: .short 4423 # Record kind: S_GPROC32_ID
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; CHECK-LABEL: .short 4423 # Record kind: S_GPROC32_ID
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; CHECK: .short 4446 # Record kind: S_HEAPALLOCSITE
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; CHECK: .short 4446 # Record kind: S_HEAPALLOCSITE
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@ -82,48 +98,55 @@ declare dso_local %struct.Foo* @alloc_foo() #2
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; CHECK-NEXT: .secidx .Lheapallocsite0
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; CHECK-NEXT: .secidx .Lheapallocsite0
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; CHECK-NEXT: .short .Lheapallocsite1-.Lheapallocsite0
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; CHECK-NEXT: .short .Lheapallocsite1-.Lheapallocsite0
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; CHECK-NEXT: .long 3
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; CHECK-NEXT: .long 3
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; CHECK-NEXT: .p2align 2
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; CHECK-LABEL: .short 4431 # Record kind: S_PROC_ID_END
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; CHECK-LABEL: .short 4423 # Record kind: S_GPROC32_ID
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; CHECK: .short 4446 # Record kind: S_HEAPALLOCSITE
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; CHECK: .short 4446 # Record kind: S_HEAPALLOCSITE
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; CHECK-NEXT: .secrel32 .Lheapallocsite2
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; CHECK-NEXT: .secrel32 .Lheapallocsite2
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; CHECK-NEXT: .secidx .Lheapallocsite2
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; CHECK-NEXT: .secidx .Lheapallocsite2
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; CHECK-NEXT: .short .Lheapallocsite3-.Lheapallocsite2
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; CHECK-NEXT: .short .Lheapallocsite3-.Lheapallocsite2
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; CHECK-NEXT: .long 4096
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; CHECK-NEXT: .long 4096
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; CHECK-NEXT: .p2align 2
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; CHECK: .short 4446 # Record kind: S_HEAPALLOCSITE
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; CHECK: .short 4446 # Record kind: S_HEAPALLOCSITE
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; CHECK-NEXT: .secrel32 .Lheapallocsite4
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; CHECK-NEXT: .secrel32 .Lheapallocsite4
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; CHECK-NEXT: .secidx .Lheapallocsite4
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; CHECK-NEXT: .secidx .Lheapallocsite4
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; CHECK-NEXT: .short .Lheapallocsite5-.Lheapallocsite4
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; CHECK-NEXT: .short .Lheapallocsite5-.Lheapallocsite4
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; CHECK-NEXT: .long 4096
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; CHECK-NEXT: .long 4096
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; CHECK-NEXT: .p2align 2
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; CHECK-LABEL: .short 4431 # Record kind: S_PROC_ID_END
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attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #2 = { nounwind readnone speculatable willreturn }
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attributes #3 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5, !6}
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!llvm.module.flags = !{!3, !4, !5}
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!llvm.ident = !{!7}
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!llvm.ident = !{!6}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 9.0.0 (https://github.com/llvm/llvm-project.git 9c8073f44f786fbf47335e53f20abe64429e8e47)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)!1 = !DIFile(filename: "filename", directory: "directory", checksumkind: CSK_MD5, checksum: "096443b661a0af36da9006330c08f97e")
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 10.0.0 (https://github.com/llvm/llvm-project.git fa686ea7650235c6dff988cc8cba49e130b3d5f8)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
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!1 = !DIFile(filename: "<stdin>", directory: "/usr/local/google/home/akhuang/testing/heapallocsite", checksumkind: CSK_MD5, checksum: "e0a04508b4229fc4aee0baa364e25987")
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!2 = !{}
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!2 = !{}
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!3 = !{i32 2, !"CodeView", i32 1}
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!3 = !{i32 2, !"CodeView", i32 1}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 2}
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!5 = !{i32 1, !"wchar_size", i32 2}
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||||||
!6 = !{i32 7, !"PIC Level", i32 2}
|
!6 = !{!"clang version 10.0.0 (https://github.com/llvm/llvm-project.git fa686ea7650235c6dff988cc8cba49e130b3d5f8)"}
|
||||||
!7 = !{!"clang version 9.0.0 (https://github.com/llvm/llvm-project.git 9c8073f44f786fbf47335e53f20abe64429e8e47)"}
|
!7 = distinct !DISubprogram(name: "call_tail", scope: !8, file: !8, line: 6, type: !9, scopeLine: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
|
||||||
!8 = distinct !DISubprogram(name: "call_virtual", scope: !1, file: !1, line: 8, type: !9, scopeLine: 8, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
|
!8 = !DIFile(filename: "t.cpp", directory: "/usr/local/google/home/akhuang/testing/heapallocsite", checksumkind: CSK_MD5, checksum: "e0a04508b4229fc4aee0baa364e25987")
|
||||||
!9 = !DISubroutineType(types: !10)
|
!9 = !DISubroutineType(types: !10)
|
||||||
!10 = !{null, !11}
|
!10 = !{!11}
|
||||||
!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64)
|
!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64)
|
||||||
!12 = !DICompositeType(tag: DW_TAG_structure_type, name: "Foo", file: !1, line: 1, flags: DIFlagFwdDecl, identifier: ".?AUFoo@@")
|
!12 = !DICompositeType(tag: DW_TAG_structure_type, name: "Foo", file: !8, line: 1, flags: DIFlagFwdDecl, identifier: ".?AUFoo@@")
|
||||||
!13 = !DILocalVariable(name: "p", arg: 1, scope: !8, file: !1, line: 8, type: !11)
|
!13 = !DILocation(line: 7, scope: !7)
|
||||||
!14 = !DILocation(line: 8, scope: !8)
|
!14 = distinct !DISubprogram(name: "call_virtual", scope: !8, file: !8, line: 9, type: !15, scopeLine: 9, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !18)
|
||||||
!15 = !DILocation(line: 9, scope: !8)
|
!15 = !DISubroutineType(types: !16)
|
||||||
!16 = !DILocation(line: 10, scope: !8)
|
!16 = !{!17, !11}
|
||||||
!17 = distinct !DISubprogram(name: "call_multiple", scope: !1, file: !1, line: 12, type: !18, scopeLine: 12, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
|
!17 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
|
||||||
!18 = !DISubroutineType(types: !19)
|
!18 = !{!19}
|
||||||
!19 = !{null}
|
!19 = !DILocalVariable(name: "p", arg: 1, scope: !14, file: !8, line: 9, type: !11)
|
||||||
!20 = !DILocation(line: 13, scope: !17)
|
!20 = !DILocation(line: 0, scope: !14)
|
||||||
!21 = !DILocation(line: 14, scope: !17)
|
!21 = !DILocation(line: 10, scope: !14)
|
||||||
!22 = !DILocation(line: 15, scope: !17)
|
!22 = !{!23, !23, i64 0}
|
||||||
|
!23 = !{!"vtable pointer", !24, i64 0}
|
||||||
|
!24 = !{!"Simple C++ TBAA"}
|
||||||
|
!25 = !DILocation(line: 11, scope: !14)
|
||||||
|
!26 = distinct !DISubprogram(name: "call_multiple", scope: !8, file: !8, line: 13, type: !27, scopeLine: 13, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
|
||||||
|
!27 = !DISubroutineType(types: !28)
|
||||||
|
!28 = !{!17}
|
||||||
|
!29 = !DILocation(line: 14, scope: !26)
|
||||||
|
!30 = !DILocation(line: 15, scope: !26)
|
||||||
|
!31 = !DILocation(line: 16, scope: !26)
|
||||||
|
Loading…
Reference in New Issue
Block a user