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-rw-r--r--llvm/lib/Target/X86/X86TargetMachine.cpp7
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp
index c608e56c8fb..06a481de258 100644
--- a/llvm/lib/Target/X86/X86TargetMachine.cpp
+++ b/llvm/lib/Target/X86/X86TargetMachine.cpp
@@ -23,6 +23,11 @@
#include "llvm/Target/TargetRegistry.h"
using namespace llvm;
+static cl::opt<bool>
+SSEDomainFix("sse-domain-fix",
+ cl::desc("Enable fixing of SSE execution domain"),
+ cl::init(false), cl::Hidden);
+
static MCAsmInfo *createMCAsmInfo(const Target &T, StringRef TT) {
Triple TheTriple(TT);
switch (TheTriple.getOS()) {
@@ -172,7 +177,7 @@ bool X86TargetMachine::addPostRegAlloc(PassManagerBase &PM,
bool X86TargetMachine::addPreEmitPass(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
- if (OptLevel != CodeGenOpt::None && Subtarget.hasSSE2()) {
+ if (SSEDomainFix && OptLevel != CodeGenOpt::None && Subtarget.hasSSE2()) {
PM.add(createSSEDomainFixPass());
return true;
}
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