commit a91d8a5b43beb8e606dda1027ec942f731146b93
author Evan Cheng <evan.cheng@apple.com> Fri Mar 24 06:40:32 2006 +0000
committer Evan Cheng <evan.cheng@apple.com> Fri Mar 24 06:40:32 2006 +0000
tree ad5cf50d737bb9efeb0aed0ba54e321c9a90fa9f
parent 2204bc276d36aad060f9d861f708ea153c95db60

All v2f64 shuffle cases can be handled.

llvm-svn: 27044

llvm/lib/Target/X86/X86ISelLowering.cpp

diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 4e209e4..540fc11 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -2329,7 +2329,10 @@
         return DAG.getNode(ISD::VECTOR_SHUFFLE, VT, V1,
                            DAG.getNode(ISD::UNDEF, V1.getValueType()),
                            PermMask);
-    } else if (NumElems == 2 || X86::isSHUFPMask(PermMask.Val)) {
+    } else if (NumElems == 2) {
+      // All v2f64 cases are handled.
+      return SDOperand();
+    } else if (X86::isSHUFPMask(PermMask.Val)) {
       SDOperand Elt = PermMask.getOperand(0);
       if (cast<ConstantSDNode>(Elt)->getValue() >= NumElems) {
         // Swap the operands and change mask.