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[SanitizerCoverage] Give clang-cc1 the power to precisly specify needed sanitizier coverage mode.

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Summary:
The next step is to add user-friendly control over these options
to driver via -fsanitize-coverage= option.

Test Plan: regression test suite

Reviewers: kcc

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D9545

llvm-svn: 236756
This commit is contained in:
Alexey Samsonov
2015-05-07 18:31:29 +00:00
parent f3c94b1e3c
commit 3f3b3abe2b
8 changed files with 79 additions and 37 deletions
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11
clang/lib/CodeGen/BackendUtil.cpp
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@@ -189,7 +189,14 @@ static void addSanitizerCoveragePass(const PassManagerBuilder &Builder,
const PassManagerBuilderWrapper &BuilderWrapper =
static_cast<const PassManagerBuilderWrapper&>(Builder);
const CodeGenOptions &CGOpts = BuilderWrapper.getCGOpts();
PM.add(createSanitizerCoverageModulePass(CGOpts.SanitizeCoverage));
SanitizerCoverageOptions Opts;
Opts.CoverageType =
static_cast<SanitizerCoverageOptions::Type>(CGOpts.SanitizeCoverageType);
Opts.IndirectCalls = CGOpts.SanitizeCoverageIndirectCalls;
Opts.TraceBB = CGOpts.SanitizeCoverageTraceBB;
Opts.TraceCmp = CGOpts.SanitizeCoverageTraceCmp;
Opts.Use8bitCounters = CGOpts.SanitizeCoverage8bitCounters;
PM.add(createSanitizerCoverageModulePass(Opts));
}
static void addAddressSanitizerPasses(const PassManagerBuilder &Builder,
@@ -306,7 +313,7 @@ void EmitAssemblyHelper::CreatePasses() {
addBoundsCheckingPass);
}
if (CodeGenOpts.SanitizeCoverage) {
if (CodeGenOpts.SanitizeCoverageType) {
PMBuilder.addExtension(PassManagerBuilder::EP_OptimizerLast,
addSanitizerCoveragePass);
PMBuilder.addExtension(PassManagerBuilder::EP_EnabledOnOptLevel0,