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Remove command line option for CU hashing. This is on by default now.
Fix up testcases and use of flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203973 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -60,10 +60,6 @@ static cl::opt<bool> UnknownLocations(
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cl::desc("Make an absence of debug location information explicit."),
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cl::init(false));
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static cl::opt<bool> GenerateCUHash("generate-cu-hash", cl::Hidden,
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cl::desc("Add the CU hash as the dwo_id."),
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cl::init(true));
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static cl::opt<bool>
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GenerateGnuPubSections("generate-gnu-dwarf-pub-sections", cl::Hidden,
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cl::desc("Generate GNU-style pubnames and pubtypes"),
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@ -975,12 +971,8 @@ void DwarfDebug::finalizeModuleInfo() {
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DwarfCompileUnit *SkCU =
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static_cast<DwarfCompileUnit *>(TheU->getSkeleton());
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if (useSplitDwarf()) {
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// This should be a unique identifier when we want to build .dwp files.
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uint64_t ID = 0;
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if (GenerateCUHash) {
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DIEHash CUHash(Asm);
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ID = CUHash.computeCUSignature(*TheU->getUnitDie());
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}
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// Emit a unique identifier for this CU.
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uint64_t ID = DIEHash(Asm).computeCUSignature(*TheU->getUnitDie());
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TheU->addUInt(TheU->getUnitDie(), dwarf::DW_AT_GNU_dwo_id,
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dwarf::DW_FORM_data8, ID);
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SkCU->addUInt(SkCU->getUnitDie(), dwarf::DW_AT_GNU_dwo_id,
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@ -1,4 +1,4 @@
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; RUN: llc -split-dwarf=Enable -generate-cu-hash -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
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; RUN: llc -split-dwarf=Enable -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
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; RUN: llvm-dwarfdump -debug-dump=all %t | FileCheck %s
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; RUN: llvm-readobj --relocations %t | FileCheck --check-prefix=OBJ %s
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; RUN: llvm-objdump -h %t | FileCheck --check-prefix=HDR %s
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@ -1,4 +1,4 @@
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; RUN: llc -split-dwarf=Enable -generate-cu-hash -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
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; RUN: llc -split-dwarf=Enable -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
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; RUN: llvm-dwarfdump -debug-dump=all %t | FileCheck %s
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; Based on the debuginfo-tests/sret.cpp code.
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