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-rw-r--r--llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
index e547600624a..996bb1f0014 100644
--- a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
@@ -542,11 +542,11 @@ bool ARMDAGToDAGISel::SelectAddrModeImm12(SDValue N,
}
if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
- int RHSC = (int)RHS->getZExtValue();
+ int RHSC = (int)RHS->getSExtValue();
if (N.getOpcode() == ISD::SUB)
RHSC = -RHSC;
- if (RHSC >= 0 && RHSC < 0x1000) { // 12 bits (unsigned)
+ if (RHSC > -0x1000 && RHSC < 0x1000) { // 12 bits
Base = N.getOperand(0);
if (Base.getOpcode() == ISD::FrameIndex) {
int FI = cast<FrameIndexSDNode>(Base)->getIndex();
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