diff options
author | Emmett Neyman <eneyman@google.com> | 2018-08-09 00:58:23 +0000 |
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committer | Emmett Neyman <eneyman@google.com> | 2018-08-09 00:58:23 +0000 |
commit | 9ddb318f9c45f115b4e59c9a61e721c421953098 (patch) | |
tree | 930c04da8300996fbea63e45a334a79d17a59ec9 /tools/clang-fuzzer | |
parent | 90891c022097719585cd8ff32838facf9d95e24f (diff) |
Added another optimization pass to make vectorizing possible
Summary: I noticed that my code wasn't going deep into the loop vectorizer code so added another pass that makes it go further.
Reviewers: morehouse, kcc
Reviewed By: morehouse
Subscribers: cfe-commits, llvm-commits
Differential Revision: https://reviews.llvm.org/D50482
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@339305 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/clang-fuzzer')
-rw-r--r-- | tools/clang-fuzzer/handle-llvm/handle_llvm.cpp | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/tools/clang-fuzzer/handle-llvm/handle_llvm.cpp b/tools/clang-fuzzer/handle-llvm/handle_llvm.cpp index ff775c1a76..86df06ab8b 100644 --- a/tools/clang-fuzzer/handle-llvm/handle_llvm.cpp +++ b/tools/clang-fuzzer/handle-llvm/handle_llvm.cpp @@ -100,17 +100,29 @@ static std::string OptLLVM(const std::string &IR, CodeGenOpt::Level OLvl) { if (!M || verifyModule(*M, &errs())) ErrorAndExit("Could not parse IR"); + Triple ModuleTriple(M->getTargetTriple()); + const TargetOptions Options = InitTargetOptionsFromCodeGenFlags(); + std::string E; + const Target *TheTarget = TargetRegistry::lookupTarget(MArch, ModuleTriple, E); + TargetMachine *Machine = + TheTarget->createTargetMachine(M->getTargetTriple(), getCPUStr(), + getFeaturesStr(), Options, getRelocModel(), + getCodeModel(), OLvl); + std::unique_ptr<TargetMachine> TM(Machine); setFunctionAttributes(getCPUStr(), getFeaturesStr(), *M); - + legacy::PassManager Passes; - Triple ModuleTriple(M->getTargetTriple()); Passes.add(new TargetLibraryInfoWrapperPass(ModuleTriple)); - Passes.add(createTargetTransformInfoWrapperPass(TargetIRAnalysis())); + Passes.add(createTargetTransformInfoWrapperPass(TM->getTargetIRAnalysis())); + + LLVMTargetMachine <M = static_cast<LLVMTargetMachine &>(*TM); + Passes.add(LTM.createPassConfig(Passes)); + Passes.add(createVerifierPass()); AddOptimizationPasses(Passes, OLvl, 0); - + // Add a pass that writes the optimized IR to an output stream std::string outString; raw_string_ostream OS(outString); |