Properly qualify AVX2 specific parts of execution dependency table. Also enable converting between 256-bit PS/PD operations when AVX1 is enabled. Fixes PR11370.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144622 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 4d4d7c0..feb7155 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -140,10 +140,7 @@
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.
+ if (Subtarget.hasAVX()) {
PM.add(createExecutionDependencyFixPass(&X86::VR256RegClass));
ShouldPrint = true;
}