[X86] Fix a mistake in the X86ISelDAGToDAG.cpp code for MUL8r/IMUL8r.
I think this code is unreachable due to some promotions that occur elsewhere. I'll look into that to be sure, but for now I thought I should at least fix the obvious typo.
llvm-svn: 316840
diff --git a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
index d1f901e..e43fd50 100644
--- a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -2728,7 +2728,7 @@
// Get the low part if needed. Don't use getCopyFromReg for aliasing
// registers.
if (!SDValue(Node, 0).use_empty())
- ReplaceUses(SDValue(Node, 1),
+ ReplaceUses(SDValue(Node, 0),
CurDAG->getTargetExtractSubreg(X86::sub_8bit, dl, MVT::i8, Result));
// Shift AX down 8 bits.