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[sanitizer-coverage] simplify the code, NFC

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@308944 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kostya Serebryany 2017-07-25 02:07:38 +00:00
parent 8e0c70de6e
commit 977be98e0f
1 changed files with 8 additions and 14 deletions
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22
lib/Transforms/Instrumentation/SanitizerCoverage.cpp
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@ -362,6 +362,10 @@ static bool shouldInstrumentBlock(const Function &F, const BasicBlock *BB,
if (Options.NoPrune || &F.getEntryBlock() == BB)
return true;
if (Options.CoverageType == SanitizerCoverageOptions::SCK_Function &&
&F.getEntryBlock() != BB)
return false;
// Do not instrument full dominators, or full post-dominators with multiple
// predecessors.
return !isFullDominator(BB, DT)
@ -459,20 +463,10 @@ void SanitizerCoverageModule::CreateFunctionLocalArrays(size_t NumGuards,
bool SanitizerCoverageModule::InjectCoverage(Function &F,
ArrayRef<BasicBlock *> AllBlocks) {
if (AllBlocks.empty()) return false;
switch (Options.CoverageType) {
case SanitizerCoverageOptions::SCK_None:
return false;
case SanitizerCoverageOptions::SCK_Function:
CreateFunctionLocalArrays(1, F);
InjectCoverageAtBlock(F, F.getEntryBlock(), 0);
return true;
default: {
CreateFunctionLocalArrays(AllBlocks.size(), F);
for (size_t i = 0, N = AllBlocks.size(); i < N; i++)
InjectCoverageAtBlock(F, *AllBlocks[i], i);
return true;
}
}
CreateFunctionLocalArrays(AllBlocks.size(), F);
for (size_t i = 0, N = AllBlocks.size(); i < N; i++)
InjectCoverageAtBlock(F, *AllBlocks[i], i);
return true;
}
// On every indirect call we call a run-time function