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| author | Eric Christopher <echristo@apple.com> | 2010-05-03 19:54:02 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@apple.com> | 2010-05-03 19:54:02 +0000 |
| commit | 0b12348ddf54ef2ca96bf807742e1c6622c692d4 (patch) | |
| tree | ce4731888ea8dd8c036561ae06edb45e02224fd6 /lib/Target/X86/X86TargetMachine.cpp | |
| parent | 86b6f80a4cbae79688723dd24824ff0609349da1 (diff) | |
| download | external_llvm-0b12348ddf54ef2ca96bf807742e1c6622c692d4.zip external_llvm-0b12348ddf54ef2ca96bf807742e1c6622c692d4.tar.gz external_llvm-0b12348ddf54ef2ca96bf807742e1c6622c692d4.tar.bz2 | |
Add an option, defaulting to off, to disable the sse domain crossing opts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102941 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86TargetMachine.cpp')
| -rw-r--r-- | lib/Target/X86/X86TargetMachine.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp index 653d0a4..f39904e 100644 --- a/lib/Target/X86/X86TargetMachine.cpp +++ b/lib/Target/X86/X86TargetMachine.cpp @@ -20,8 +20,14 @@ #include "llvm/Support/FormattedStream.h" #include "llvm/Target/TargetOptions.h" #include "llvm/Target/TargetRegistry.h" +#include "llvm/Support/CommandLine.h" + using namespace llvm; +static cl::opt<bool> DisableSSEDomain("disable-sse-domain", + cl::init(false), cl::Hidden, + cl::desc("Disable SSE Domain Fixing")); + static MCAsmInfo *createMCAsmInfo(const Target &T, StringRef TT) { Triple TheTriple(TT); switch (TheTriple.getOS()) { @@ -172,7 +178,8 @@ bool X86TargetMachine::addPostRegAlloc(PassManagerBase &PM, bool X86TargetMachine::addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel) { - if (OptLevel != CodeGenOpt::None && Subtarget.hasSSE2()) { + if (OptLevel != CodeGenOpt::None && Subtarget.hasSSE2() && + !DisableSSEDomain) { PM.add(createSSEDomainFixPass()); return true; } |