[llvm-commits] [llvm] r56615 - /llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp
Dan Gohman
gohman at apple.com
Thu Sep 25 10:22:52 PDT 2008
Author: djg
Date: Thu Sep 25 12:22:52 2008
New Revision: 56615
URL: http://llvm.org/viewvc/llvm-project?rev=56615&view=rev
Log:
Support for i1 XOR in FastISel. It is actually safe because
i1 operands are assumed to already by zero-extended.
Modified:
llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp?rev=56615&r1=56614&r2=56615&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp Thu Sep 25 12:22:52 2008
@@ -135,10 +135,11 @@
// under the assumption that i64 won't be used if the target doesn't
// support it.
if (!TLI.isTypeLegal(VT)) {
- // MVT::i1 is special. Allow AND and OR (but not XOR) because they
+ // MVT::i1 is special. Allow AND, OR, or XOR because they
// don't require additional zeroing, which makes them easy.
if (VT == MVT::i1 &&
- (ISDOpcode == ISD::AND || ISDOpcode == ISD::OR))
+ (ISDOpcode == ISD::AND || ISDOpcode == ISD::OR ||
+ ISDOpcode == ISD::XOR))
VT = TLI.getTypeToTransformTo(VT);
else
return false;
More information about the llvm-commits
mailing list