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PR13046: we can't replace usage of SUB with CMP in the lowering phase.
It will cause assertion failure later on. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158160 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -8306,7 +8306,8 @@ SDValue X86TargetLowering::EmitTest(SDValue Op, unsigned X86CC,
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if (Opcode == X86ISD::CMP) {
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SDValue New = DAG.getNode(Opcode, dl, MVT::i32, Op.getOperand(0),
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Op.getOperand(1));
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DAG.ReplaceAllUsesWith(Op, New);
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// We can't replace usage of SUB with CMP.
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// The SUB node will be removed later because there is no use of it.
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return SDValue(New.getNode(), 0);
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}
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