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X86ISD::CMP now produces a chain as well as a flag. Make that the chain

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operand of a conditional branch to allow load folding into CMP / TEST
instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30241 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2006-09-11 02:19:56 +00:00
parent 019f851ab2
commit 734503be59
5 changed files with 133 additions and 159 deletions
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2
lib/Target/X86/X86ISelLowering.h
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@@ -381,7 +381,7 @@ namespace llvm {
SDOperand LowerFP_TO_SINT(SDOperand Op, SelectionDAG &DAG);
SDOperand LowerFABS(SDOperand Op, SelectionDAG &DAG);
SDOperand LowerFNEG(SDOperand Op, SelectionDAG &DAG);
SDOperand LowerSETCC(SDOperand Op, SelectionDAG &DAG);
SDOperand LowerSETCC(SDOperand Op, SelectionDAG &DAG, SDOperand Chain);
SDOperand LowerSELECT(SDOperand Op, SelectionDAG &DAG);
SDOperand LowerBRCOND(SDOperand Op, SelectionDAG &DAG);
SDOperand LowerMEMSET(SDOperand Op, SelectionDAG &DAG);