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Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
-rw-r--r--llvm/lib/Target/X86/X86ISelLowering.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index cbedf1f5f0e..e11522db79e 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -10139,14 +10139,14 @@ SDValue X86TargetLowering::EmitTest(SDValue Op, unsigned X86CC, SDLoc dl,
if (ConstantSDNode *C =
dyn_cast<ConstantSDNode>(ArithOp.getNode()->getOperand(1))) {
// An add of one will be selected as an INC.
- if (C->getAPIntValue() == 1) {
+ if (C->getAPIntValue() == 1 && !Subtarget->slowIncDec()) {
Opcode = X86ISD::INC;
NumOperands = 1;
break;
}
// An add of negative one (subtract of one) will be selected as a DEC.
- if (C->getAPIntValue().isAllOnesValue()) {
+ if (C->getAPIntValue().isAllOnesValue() && !Subtarget->slowIncDec()) {
Opcode = X86ISD::DEC;
NumOperands = 1;
break;
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