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-rw-r--r--lib/Target/X86/X86ISelLowering.cpp2
-rw-r--r--test/CodeGen/X86/fp-stack-retcopy.ll12
2 files changed, 13 insertions, 1 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index eb8e5e3..de55a7c 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -767,7 +767,7 @@ SDOperand X86TargetLowering::LowerRET(SDOperand Op, SelectionDAG &DAG) {
// If this is a load into a scalarsse value, don't store the loaded value
// back to the stack, only to reload it: just replace the scalar-sse load.
if (ISD::isNON_EXTLoad(Value.Val) &&
- Chain.reachesChainWithoutSideEffects(Value.getOperand(0))) {
+ Chain.reachesChainWithoutSideEffects(Value.getOperand(0))) {
Chain = Value.getOperand(0);
MemLoc = Value.getOperand(1);
} else {
diff --git a/test/CodeGen/X86/fp-stack-retcopy.ll b/test/CodeGen/X86/fp-stack-retcopy.ll
new file mode 100644
index 0000000..997f8df
--- /dev/null
+++ b/test/CodeGen/X86/fp-stack-retcopy.ll
@@ -0,0 +1,12 @@
+; This should not copy the result of foo into an xmm register.
+; RUN: llvm-as < %s | llc -march=x86 -mcpu=yonah -mtriple=i686-apple-darwin9 | not grep xmm
+; rdar://5689903
+
+declare double @foo()
+
+define double @carg({ double, double }* byval %z) nounwind {
+entry:
+ %tmp5 = tail call double @foo() nounwind ; <double> [#uses=1]
+ ret double %tmp5
+}
+