QualType PointeeTy = D.getTypePtr()->getPointeeType();
node = getOrCreateType(PointeeTy, getOrCreateFile(Loc));
}
+
CI->setMetadata("heapallocsite", node);
}
/// CodeView label annotations.
std::vector<std::pair<MCSymbol *, MDNode *>> CodeViewAnnotations;
- /// CodeView heapallocsites.
- std::vector<std::tuple<MCSymbol*, MCSymbol*, DIType*>>
- CodeViewHeapAllocSites;
-
bool CallsEHReturn = false;
bool CallsUnwindInit = false;
bool HasEHScopes = false;
return CodeViewAnnotations;
}
- /// Record heapallocsites
- void addCodeViewHeapAllocSite(MachineInstr *I, MDNode *MD);
-
- ArrayRef<std::tuple<MCSymbol*, MCSymbol*, DIType*>>
- getCodeViewHeapAllocSites() const {
- return CodeViewHeapAllocSites;
- }
-
/// Return a reference to the C++ typeinfo for the current function.
const std::vector<const GlobalValue *> &getTypeInfos() const {
return TypeInfos;
endSymbolRecord(AnnotEnd);
}
- for (auto HeapAllocSite : FI.HeapAllocSites) {
- MCSymbol *BeginLabel = std::get<0>(HeapAllocSite);
- MCSymbol *EndLabel = std::get<1>(HeapAllocSite);
- DIType *DITy = std::get<2>(HeapAllocSite);
-
- MCSymbol *HeapAllocEnd = beginSymbolRecord(SymbolKind::S_HEAPALLOCSITE);
- OS.AddComment("Call site offset");
- OS.EmitCOFFSecRel32(BeginLabel, /*Offset=*/0);
- OS.AddComment("Call site section index");
- OS.EmitCOFFSectionIndex(BeginLabel);
- OS.AddComment("Call instruction length");
- OS.emitAbsoluteSymbolDiff(EndLabel, BeginLabel, 2);
- OS.AddComment("Type index");
- OS.EmitIntValue(getCompleteTypeIndex(DITy).getIndex(), 4);
- endSymbolRecord(HeapAllocEnd);
- }
-
if (SP != nullptr)
emitDebugInfoForUDTs(LocalUDTs);
}
CurFn->Annotations = MF->getCodeViewAnnotations();
- CurFn->HeapAllocSites = MF->getCodeViewHeapAllocSites();
CurFn->End = Asm->getFunctionEnd();
SmallVector<LexicalBlock *, 1> ChildBlocks;
std::vector<std::pair<MCSymbol *, MDNode *>> Annotations;
- std::vector<std::tuple<MCSymbol *, MCSymbol *, DIType *>> HeapAllocSites;
const MCSymbol *Begin = nullptr;
const MCSymbol *End = nullptr;
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/DataLayout.h"
-#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalValue.h"
return FilterID;
}
-void MachineFunction::addCodeViewHeapAllocSite(MachineInstr *I, MDNode *MD) {
- MCSymbol *BeginLabel = Ctx.createTempSymbol("heapallocsite", true);
- MCSymbol *EndLabel = Ctx.createTempSymbol("heapallocsite", true);
- I->setPreInstrSymbol(*this, BeginLabel);
- I->setPostInstrSymbol(*this, EndLabel);
-
- DIType *DI = dyn_cast<DIType>(MD);
- CodeViewHeapAllocSites.push_back(std::make_tuple(BeginLabel, EndLabel, DI));
-}
-
/// \}
//===----------------------------------------------------------------------===//
if (CLI.NumResultRegs && CLI.CS)
updateValueMap(CLI.CS->getInstruction(), CLI.ResultReg, CLI.NumResultRegs);
- // Set labels for heapallocsite call.
- if (CLI.CS && CLI.CS->getInstruction()->getMetadata("heapallocsite")) {
- MDNode *MD = CLI.CS->getInstruction()->getMetadata("heapallocsite");
- MF->addCodeViewHeapAllocSite(CLI.Call, MD);
- }
-
return true;
}
+++ /dev/null
-; RUN: llc -O0 < %s | FileCheck %s
-; FIXME: Add test for llc with optimizations once it is implemented.
-
-; Source to regenerate:
-; $ clang --target=x86_64-windows-msvc -S heapallocsite.c -g -gcodeview -o t.ll \
-; -emit-llvm -O0 -Xclang -disable-llvm-passes -fms-extensions
-; __declspec(allocator) char *myalloc();
-; void g();
-; void foo() {
-; g();
-; myalloc()
-; g();
-; }
-
-target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-windows-msvc"
-
-; Function Attrs: noinline nounwind optnone
-define dso_local void @f() #0 !dbg !7 {
-entry:
- call void @g(), !dbg !11
- %call = call i8* @myalloc(), !dbg !12, !heapallocsite !13
- call void @g(), !dbg !14
- ret void, !dbg !15
-}
-
-; CHECK-LABEL: f: # @f
-; CHECK: callq g
-; CHECK: .Lheapallocsite0:
-; CHECK: callq myalloc
-; CHECK: .Lheapallocsite1:
-; CHECK: retq
-
-; CHECK-LABEL: .short 4423 # Record kind: S_GPROC32_ID
-; CHECK: .short 4446 # Record kind: S_HEAPALLOCSITE
-; CHECK-NEXT: .secrel32 .Lheapallocsite0
-; CHECK-NEXT: .secidx .Lheapallocsite0
-; CHECK-NEXT: .short .Lheapallocsite1-.Lheapallocsite0
-; CHECK-NEXT: .long 112
-; CHECK-NEXT: .p2align 2
-
-; CHECK-LABEL: .short 4431 # Record kind: S_PROC_ID_END
-
-declare dso_local void @g() #1
-
-declare dso_local i8* @myalloc() #1
-
-!llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!3, !4, !5}
-!llvm.ident = !{!6}
-
-!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 9.0.0 (https://github.com/llvm/llvm-project.git 4eff3de99423a62fd6e833e29c71c1e62ba6140b)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
-!1 = !DIFile(filename: "<stdin>", directory: "C:\5Csrc\5Ctest", checksumkind: CSK_MD5, checksum: "6d758cfa3834154a04ce8a55102772a9")
-!2 = !{}
-!3 = !{i32 2, !"CodeView", i32 1}
-!4 = !{i32 2, !"Debug Info Version", i32 3}
-!5 = !{i32 1, !"wchar_size", i32 2}
-!6 = !{!"clang version 9.0.0 (https://github.com/llvm/llvm-project.git 4eff3de99423a62fd6e833e29c71c1e62ba6140b)"}
-!7 = distinct !DISubprogram(name: "f", scope: !8, file: !8, line: 4, type: !9, scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
-!8 = !DIFile(filename: "heapallocsite.c", directory: "C:\5Csrc\5Ctest", checksumkind: CSK_MD5, checksum: "6d758cfa3834154a04ce8a55102772a9")
-!9 = !DISubroutineType(types: !10)
-!10 = !{null}
-!11 = !DILocation(line: 5, scope: !7)
-!12 = !DILocation(line: 6, scope: !7)
-!13 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
-!14 = !DILocation(line: 7, scope: !7)
-!15 = !DILocation(line: 8, scope: !7)
-