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duncan points out that isOperationLegal includes a check for

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type legality.  Thanks Duncan!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52786 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-06-26 17:16:00 +00:00
parent 8342cfff9a
commit f77e46be6d
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -3852,7 +3852,7 @@ SDOperand DAGCombiner::visitSINT_TO_FP(SDNode *N) {
// If the input is a legal type, and SINT_TO_FP is not legal on this target,
// but UINT_TO_FP is legal on this target, try to convert.
if (TLI.isTypeLegal(OpVT) && !TLI.isOperationLegal(ISD::SINT_TO_FP, OpVT) &&
if (!TLI.isOperationLegal(ISD::SINT_TO_FP, OpVT) &&
TLI.isOperationLegal(ISD::UINT_TO_FP, OpVT)) {
// If the sign bit is known to be zero, we can change this to UINT_TO_FP.
if (DAG.SignBitIsZero(N0))
@ -3875,7 +3875,7 @@ SDOperand DAGCombiner::visitUINT_TO_FP(SDNode *N) {
// If the input is a legal type, and UINT_TO_FP is not legal on this target,
// but SINT_TO_FP is legal on this target, try to convert.
if (TLI.isTypeLegal(OpVT) && !TLI.isOperationLegal(ISD::UINT_TO_FP, OpVT) &&
if (!TLI.isOperationLegal(ISD::UINT_TO_FP, OpVT) &&
TLI.isOperationLegal(ISD::SINT_TO_FP, OpVT)) {
// If the sign bit is known to be zero, we can change this to SINT_TO_FP.
if (DAG.SignBitIsZero(N0))