Move condition out to prepare for more matching
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112805 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index e32df4d..a5e59ed 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -5181,6 +5181,11 @@
}
}
+ if (OptForSize) { // NOTE: isPSHUFDMask can also match this mask...
+ if (HasSSE2 && X86::isUNPCKL_v_undef_Mask(SVOp) && VT == MVT::v4i32)
+ return getTargetShuffleNode(X86ISD::PUNPCKLDQ, dl, VT, V1, V1, DAG);
+ }
+
if (X86::isPSHUFDMask(SVOp)) {
// The actual implementation will match the mask in the if above and then
// during isel it can match several different instructions, not only pshufd
@@ -5188,10 +5193,6 @@
if (X86::isMOVDDUPMask(SVOp) && ((VT == MVT::v4f32 || VT == MVT::v2i64)))
return getTargetShuffleNode(X86ISD::MOVLHPS, dl, VT, V1, V1, DAG);
- if (OptForSize && HasSSE2 && X86::isUNPCKL_v_undef_Mask(SVOp) &&
- VT == MVT::v4i32)
- return getTargetShuffleNode(X86ISD::PUNPCKLDQ, dl, VT, V1, V1, DAG);
-
unsigned TargetMask = X86::getShuffleSHUFImmediate(SVOp);
if (HasSSE2 && (VT == MVT::v4f32 || VT == MVT::v4i32))