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When expanding an operand, it's not the result value

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type that matters but the operand type.  This fixes
2008-01-08-IllegalCMP.ll which crashed with the new
legalize infrastructure because SETCC with result
type i8 and operand type i64 was being custom expanded
by the X86 backend.  With this fix, the gcc build gets
as far as the first libcall.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46525 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands 2008-01-29 19:29:08 +00:00
parent c69d3c9442
commit 648f880dc9
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/SelectionDAG/LegalizeTypesExpand.cpp
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@ -747,8 +747,8 @@ bool DAGTypeLegalizer::ExpandOperand(SDNode *N, unsigned OpNo) {
DEBUG(cerr << "Expand node operand: "; N->dump(&DAG); cerr << "\n");
SDOperand Res(0, 0);
if (TLI.getOperationAction(N->getOpcode(), N->getValueType(0)) ==
TargetLowering::Custom)
if (TLI.getOperationAction(N->getOpcode(), N->getOperand(OpNo).getValueType())
== TargetLowering::Custom)
Res = TLI.LowerOperation(SDOperand(N, 0), DAG);
if (Res.Val == 0) {