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Remove command line option for CU hashing. This is on by default now.

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Fix up testcases and use of flag.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203973 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2014-03-14 21:20:07 +00:00
parent 11bd4866ff
commit f90e07f6c3
3 changed files with 4 additions and 12 deletions
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12
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@@ -60,10 +60,6 @@ static cl::opt<bool> UnknownLocations(
cl::desc("Make an absence of debug location information explicit."), cl::desc("Make an absence of debug location information explicit."),
cl::init(false)); cl::init(false));
static cl::opt<bool> GenerateCUHash("generate-cu-hash", cl::Hidden,
cl::desc("Add the CU hash as the dwo_id."),
cl::init(true));
static cl::opt<bool> static cl::opt<bool>
GenerateGnuPubSections("generate-gnu-dwarf-pub-sections", cl::Hidden, GenerateGnuPubSections("generate-gnu-dwarf-pub-sections", cl::Hidden,
cl::desc("Generate GNU-style pubnames and pubtypes"), cl::desc("Generate GNU-style pubnames and pubtypes"),
@@ -975,12 +971,8 @@ void DwarfDebug::finalizeModuleInfo() {
DwarfCompileUnit *SkCU = DwarfCompileUnit *SkCU =
static_cast<DwarfCompileUnit *>(TheU->getSkeleton()); static_cast<DwarfCompileUnit *>(TheU->getSkeleton());
if (useSplitDwarf()) { if (useSplitDwarf()) {
// This should be a unique identifier when we want to build .dwp files. // Emit a unique identifier for this CU.
uint64_t ID = 0; uint64_t ID = DIEHash(Asm).computeCUSignature(*TheU->getUnitDie());
if (GenerateCUHash) {
DIEHash CUHash(Asm);
ID = CUHash.computeCUSignature(*TheU->getUnitDie());
}
TheU->addUInt(TheU->getUnitDie(), dwarf::DW_AT_GNU_dwo_id, TheU->addUInt(TheU->getUnitDie(), dwarf::DW_AT_GNU_dwo_id,
dwarf::DW_FORM_data8, ID); dwarf::DW_FORM_data8, ID);
SkCU->addUInt(SkCU->getUnitDie(), dwarf::DW_AT_GNU_dwo_id, SkCU->addUInt(SkCU->getUnitDie(), dwarf::DW_AT_GNU_dwo_id,

2
test/DebugInfo/X86/fission-cu.ll
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@@ -1,4 +1,4 @@
; RUN: llc -split-dwarf=Enable -generate-cu-hash -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t ; RUN: llc -split-dwarf=Enable -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
; RUN: llvm-dwarfdump -debug-dump=all %t | FileCheck %s ; RUN: llvm-dwarfdump -debug-dump=all %t | FileCheck %s
; RUN: llvm-readobj --relocations %t | FileCheck --check-prefix=OBJ %s ; RUN: llvm-readobj --relocations %t | FileCheck --check-prefix=OBJ %s
; RUN: llvm-objdump -h %t | FileCheck --check-prefix=HDR %s ; RUN: llvm-objdump -h %t | FileCheck --check-prefix=HDR %s

2
test/DebugInfo/X86/sret.ll
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@@ -1,4 +1,4 @@
; RUN: llc -split-dwarf=Enable -generate-cu-hash -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t ; RUN: llc -split-dwarf=Enable -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
; RUN: llvm-dwarfdump -debug-dump=all %t | FileCheck %s ; RUN: llvm-dwarfdump -debug-dump=all %t | FileCheck %s
; Based on the debuginfo-tests/sret.cpp code. ; Based on the debuginfo-tests/sret.cpp code.