Changes in directory llvm/lib/Target/X86:
X86ISelLowering.cpp updated: 1.73 -> 1.74
---
Log message:
When folding a load into a return of SSE value, check the chain to
ensure the memory location has not been clobbered.
---
Diffs of the changes: (+3 -2)
X86ISelLowering.cpp | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
Index: llvm/lib/Target/X86/X86ISelLowering.cpp
diff -u llvm/lib/Target/X86/X86ISelLowering.cpp:1.73
llvm/lib/Target/X86/X86ISelLowering.cpp:1.74
--- llvm/lib/Target/X86/X86ISelLowering.cpp:1.73 Tue Jan 31 17:19:54 2006
+++ llvm/lib/Target/X86/X86ISelLowering.cpp Tue Jan 31 18:20:21 2006
@@ -1912,10 +1912,11 @@
Ops.push_back(Op.getOperand(1));
Copy = DAG.getNode(X86ISD::FP_SET_RESULT, Tys, Ops);
} else {
- SDOperand MemLoc, Chain;
+ SDOperand MemLoc;
+ SDOperand Chain = Op.getOperand(0);
SDOperand Value = Op.getOperand(1);
- if (Value.getOpcode() == ISD::LOAD) {
+ if (Value.getOpcode() == ISD::LOAD && Chain == Value.getOperand(0)) {
Chain = Value.getOperand(0);
MemLoc = Value.getOperand(1);
} else {
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