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| author | Bill Wendling <isanbard@gmail.com> | 2012-04-02 22:16:50 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2012-04-02 22:16:50 +0000 |
| commit | 3197b4453d214aa96de3a42da8f8fe189fff2077 (patch) | |
| tree | 38a68f4e6bd20272bab5c4ae4eb3b157c8e0271b /tools/lto/LTOCodeGenerator.cpp | |
| parent | 29f60f359b59032108cdabcde91217b6784c4e13 (diff) | |
| download | llvm-3197b4453d214aa96de3a42da8f8fe189fff2077.tar.gz llvm-3197b4453d214aa96de3a42da8f8fe189fff2077.tar.bz2 llvm-3197b4453d214aa96de3a42da8f8fe189fff2077.tar.xz | |
Add an option to turn off the expensive GVN load PRE part of GVN.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153902 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/lto/LTOCodeGenerator.cpp')
| -rw-r--r-- | tools/lto/LTOCodeGenerator.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/lto/LTOCodeGenerator.cpp b/tools/lto/LTOCodeGenerator.cpp index 1d2631e07d..f0640c2206 100644 --- a/tools/lto/LTOCodeGenerator.cpp +++ b/tools/lto/LTOCodeGenerator.cpp @@ -49,6 +49,9 @@ using namespace llvm; static cl::opt<bool> DisableInline("disable-inlining", cl::desc("Do not run the inliner pass")); +static cl::opt<bool> DisableGVNLoadPRE("disable-gvn-loadpre", + cl::desc("Do not run the GVN load PRE pass")); + const char* LTOCodeGenerator::getVersionString() { #ifdef LLVM_VERSION_INFO return PACKAGE_NAME " version " PACKAGE_VERSION ", " LLVM_VERSION_INFO; @@ -353,7 +356,8 @@ bool LTOCodeGenerator::generateObjectFile(raw_ostream &out, passes.add(new TargetData(*_target->getTargetData())); PassManagerBuilder().populateLTOPassManager(passes, /*Internalize=*/ false, - !DisableInline); + !DisableInline, + DisableGVNLoadPRE); // Make sure everything is still good. passes.add(createVerifierPass()); |