forked from OSchip/llvm-project
parent
42379d4cf7
commit
7acfddf17c
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@ -2148,9 +2148,6 @@ SDValue AMDGPUTargetLowering::PerformDAGCombine(SDNode *N,
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if (ConstantSDNode *CVal = dyn_cast<ConstantSDNode>(N->getOperand(0))) {
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if (ConstantSDNode *CVal = dyn_cast<ConstantSDNode>(N->getOperand(0))) {
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if (Signed) {
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if (Signed) {
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// Avoid undefined left shift of a negative in the constant fold.
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// TODO: I'm not sure what the behavior of the hardware is, this should
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// probably follow that instead.
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return constantFoldBFE<int32_t>(DAG,
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return constantFoldBFE<int32_t>(DAG,
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CVal->getSExtValue(),
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CVal->getSExtValue(),
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OffsetVal,
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OffsetVal,
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