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Enable execution dependency fix pass for YMM registers when AVX2 is enabled. Add AVX2 logical operations to list of replaceable instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144179 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2011-11-09 09:37:21 +00:00
parent 94d80da4a0
commit b80ada98c5
3 changed files with 58 additions and 4 deletions
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16
lib/Target/X86/X86TargetMachine.cpp
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@@ -135,10 +135,18 @@ bool X86TargetMachine::addPostRegAlloc(PassManagerBase &PM,
bool X86TargetMachine::addPreEmitPass(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
bool ShouldPrint = false;
if (OptLevel != CodeGenOpt::None &&
(Subtarget.hasSSE2() || Subtarget.hasAVX())) {
PM.add(createExecutionDependencyFixPass(&X86::VR128RegClass));
ShouldPrint = true;
if (OptLevel != CodeGenOpt::None) {
if (Subtarget.hasXMMInt()) {
PM.add(createExecutionDependencyFixPass(&X86::VR128RegClass));
ShouldPrint = true;
}
if (Subtarget.hasAVX2()) {
// FIXME this should be turned on for just AVX, but the pass doesn't check
// that instructions are valid before replacing them and there are AVX2
// integer instructions in the table.
PM.add(createExecutionDependencyFixPass(&X86::VR256RegClass));
ShouldPrint = true;
}
}
if (Subtarget.hasAVX() && UseVZeroUpper) {