Remove code to enable execution dependency fix pass on VR256. VR128 is sufficient...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144777 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index feb71555c4661766edeb47283cb0ceabf6e9ab66..b4401ccbb7076585945e1f20947e4b4928400912 100644 (file)
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -135,15 +135,9 @@ bool X86TargetMachine::addPostRegAlloc(PassManagerBase &PM,
 bool X86TargetMachine::addPreEmitPass(PassManagerBase &PM,
                                       CodeGenOpt::Level OptLevel) {
   bool ShouldPrint = false;
-  if (OptLevel != CodeGenOpt::None) {
-    if (Subtarget.hasXMMInt()) {
-      PM.add(createExecutionDependencyFixPass(&X86::VR128RegClass));
-      ShouldPrint = true;
-    }
-    if (Subtarget.hasAVX()) {
-      PM.add(createExecutionDependencyFixPass(&X86::VR256RegClass));
-      ShouldPrint = true;
-    }
+  if (OptLevel != CodeGenOpt::None && Subtarget.hasXMMInt()) {
+    PM.add(createExecutionDependencyFixPass(&X86::VR128RegClass));
+    ShouldPrint = true;
   }
 
   if (Subtarget.hasAVX() && UseVZeroUpper) {