Changes in directory llvm/lib/CodeGen/SelectionDAG:
TargetLowering.cpp updated: 1.117 -> 1.118
---
Log message:
same patch as the previous one, but the symmetric case
---
Diffs of the changes: (+1 -1)
TargetLowering.cpp | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
Index: llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp:1.117
llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp:1.118
--- llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp:1.117 Fri May 18
19:43:44 2007
+++ llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp Fri May 18 19:46:51 2007
@@ -1808,7 +1808,7 @@
if (DAG.isCommutativeBinOp(N1.getOpcode())) {
return DAG.getSetCC(VT, N1.getOperand(0),
DAG.getConstant(0, N1.getValueType()), Cond);
- } else {
+ } else if (N1.Val->hasOneUse()) {
assert(N1.getOpcode() == ISD::SUB && "Unexpected operation!");
// X == (Z-X) --> X<<1 == Z
SDOperand SH = DAG.getNode(ISD::SHL, N1.getValueType(), N0,
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