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Justin Bogner 34a34aa89e llvm-cov: Fix reading gcov data that does not have function names 
In order for recent gcov versions to read the coverage data, you have
to use UseCfgChecksum=true and FunctionNamesInData=false options for
coverage profiling pass. This is because gcov is expecting the
function section in .gcda to be exactly 3 words in size, containing
ident and two checksums.

While llvm-cov is compatible with UseCfgChecksum=true, it always
expects a function name in .gcda function sections (it's not
compatible with FunctionNamesInData=false). Thus it's currently
impossible to generate one set of coverage files that works with both
gcov and llvm-cov.

This change fixes the reading of coverage information to only read the
function name if it's present.

Patch by Arseny Kapoulkine. Thanks!

llvm-svn: 260162
 		2016-02-08 22:49:40 +00:00
..
AsmWriter.cpp This patch adds MemorySSA to LLVM. 2016-02-02 22:46:49 +00:00
AttributeImpl.h Revert 259942, r259943, r259948. 2016-02-07 20:09:18 +00:00
Attributes.cpp AttributeSetImpl: Summarize existing function attributes in a bitset. 2016-01-29 22:25:19 +00:00
AttributesCompatFunc.td Provide a way to specify inliner's attribute compatibility and merging. 2015-12-22 23:57:37 +00:00
AutoUpgrade.cpp Revert "Change memcpy/memset/memmove to have dest and source alignments." 2015-11-19 05:56:52 +00:00
BasicBlock.cpp IR: Remove implicit iterator conversions from lib/IR, NFC 2015-10-08 23:49:46 +00:00
CMakeLists.txt [cmake] Remove /Og- flag which was working around PR24785 2016-01-27 01:52:46 +00:00
Comdat.cpp
…
ConstantFold.cpp [opaque pointer types] [NFC] GEP: replace get(Pointer)ElementType uses with get{Source,Result}ElementType. 2016-01-19 17:28:00 +00:00
ConstantFold.h [opaque pointer types] [NFC] GEP: replace get(Pointer)ElementType uses with get{Source,Result}ElementType. 2016-01-19 17:28:00 +00:00
ConstantRange.cpp Annotate dump() methods with LLVM_DUMP_METHOD, addressing Richard Smith r259192 post commit comment. 2016-01-29 20:50:44 +00:00
Constants.cpp [opaque pointer types] [NFC] GEP: replace get(Pointer)ElementType uses with get{Source,Result}ElementType. 2016-01-19 17:28:00 +00:00
ConstantsContext.h [opaque pointer types] [NFC] GEP: replace get(Pointer)ElementType uses with get{Source,Result}ElementType. 2016-01-19 17:28:00 +00:00
Core.cpp Remove static global GCNames from Function.cpp and move it to the Context 2016-01-08 02:28:20 +00:00
DIBuilder.cpp Macro debug info support in LLVM IR 2015-12-10 12:56:35 +00:00
DataLayout.cpp Replace Type::getInt32Ty() and comparison by isIntegerTy(32). NFC. 2016-01-22 03:30:27 +00:00
DebugInfo.cpp One more batch of self-containing headers. 2016-01-27 19:29:56 +00:00
DebugInfoMetadata.cpp Macro debug info support in LLVM IR 2015-12-10 12:56:35 +00:00
DebugLoc.cpp Annotate dump() methods with LLVM_DUMP_METHOD, addressing Richard Smith r259192 post commit comment. 2016-01-29 20:50:44 +00:00
DiagnosticInfo.cpp Refactor backend diagnostics for unsupported features 2016-02-02 13:52:43 +00:00
DiagnosticPrinter.cpp MIR Serialization: Connect the machine function analysis pass to the MIR parser. 2015-06-15 20:30:22 +00:00
Dominators.cpp [IR] Reformulate LLVM's EH funclet IR 2015-12-12 05:38:55 +00:00
Function.cpp Handle more edge cases in intrinsic name binary search 2016-01-26 22:33:19 +00:00
FunctionInfo.cpp [ThinLTO] Include linkage type in function summary 2016-02-06 16:07:35 +00:00
GCOV.cpp llvm-cov: Fix reading gcov data that does not have function names 2016-02-08 22:49:40 +00:00
GVMaterializer.cpp
…
Globals.cpp GlobalValue: use getValueType() instead of getType()->getPointerElementType(). 2016-01-16 20:30:46 +00:00
IRBuilder.cpp Revert "Change memcpy/memset/memmove to have dest and source alignments." 2015-11-19 05:56:52 +00:00
IRPrintingPasses.cpp Recommit r256952 "Filtering IR printing for print-after-all/print-before-all" 2016-01-06 22:55:03 +00:00
InlineAsm.cpp Fix SEGV in InlineAsm::ConstraintInfo::Parse. 2015-09-03 15:41:37 +00:00
Instruction.cpp fix typos; NFC 2016-01-06 00:18:29 +00:00
Instructions.cpp Fix pointers to go on the right hand side. NFC. 2016-02-03 21:34:39 +00:00
IntrinsicInst.cpp Handle more edge cases in intrinsic name binary search 2016-01-26 22:33:19 +00:00
LLVMBuild.txt
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LLVMContext.cpp Add a "gc-transition" operand bundle 2016-01-20 19:50:25 +00:00
LLVMContextImpl.cpp [IR] Manage TheNoneToken with a std::unique_ptr 2015-11-16 20:55:57 +00:00
LLVMContextImpl.h Remove static global GCNames from Function.cpp and move it to the Context 2016-01-08 02:28:20 +00:00
LegacyPassManager.cpp Annotate dump() methods with LLVM_DUMP_METHOD, addressing Richard Smith r259192 post commit comment. 2016-01-29 20:50:44 +00:00
MDBuilder.cpp [MDBuilder] Simplify code using initializer lists. NFC. 2015-11-22 18:03:17 +00:00
Mangler.cpp Update to use new name alignTo(). 2016-01-14 21:06:47 +00:00
Metadata.cpp Relax assertion in ReplaceableMetadataImpl::replaceAllUsesWith(). 2016-02-06 01:56:55 +00:00
MetadataImpl.h DI: Disallow uniquable DICompileUnits 2015-08-03 17:26:41 +00:00
Module.cpp Bring back "Assert that we have all use/users in the getters." 2016-01-15 19:00:20 +00:00
Operator.cpp [opaque pointer types] [NFC] GEP: replace get(Pointer)ElementType uses with get{Source,Result}ElementType. 2016-01-19 17:28:00 +00:00
Pass.cpp Annotate dump() methods with LLVM_DUMP_METHOD, addressing Richard Smith r259192 post commit comment. 2016-01-29 20:50:44 +00:00
PassManager.cpp [PM] Push the debug option for the new pass manager into the opt tool 2015-01-13 22:42:38 +00:00
PassRegistry.cpp Revert r231276 (including r231277): Add a lock() function in PassRegistry to speed up multi-thread synchronization. 2015-03-05 17:53:00 +00:00
Statepoint.cpp [Statepoints] Refactor GCRelocateOperands into an intrinsic wrapper. NFC. 2016-01-05 04:03:00 +00:00
SymbolTableListTraitsImpl.h IR: Remove implicit iterator conversions from lib/IR, NFC 2015-10-08 23:49:46 +00:00
Type.cpp [IR] Mark the Type subclass helper methods 'inline' and move their definitions to DerivedTypes.h so they can be inlined by the compiler. 2015-12-25 04:06:20 +00:00
TypeFinder.cpp Re-reapply "[IR] Move optional data in llvm::Function into a hungoff uselist" 2015-12-19 08:52:49 +00:00
Use.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
User.cpp [IR] Teach `llvm::User` to co-allocate a descriptor. 2015-09-24 01:00:49 +00:00
Value.cpp Address NDEBUG-related linkage issues for Value::assertModuleIsMaterialized() 2016-02-03 21:13:23 +00:00
ValueSymbolTable.cpp Annotate dump() methods with LLVM_DUMP_METHOD, addressing Richard Smith r259192 post commit comment. 2016-01-29 20:50:44 +00:00
ValueTypes.cpp Add new vector types for 512-, 1024- and 2048-bit vectors 2015-11-24 13:07:35 +00:00
Verifier.cpp clean up; NFC 2016-01-31 16:32:23 +00:00
module.modulemap
…