diff options
| author | Owen Anderson <resistor@mac.com> | 2012-07-11 06:38:55 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2012-07-11 06:38:55 +0000 |
| commit | b8844d674443a26a4563158215493e2d8957bd5d (patch) | |
| tree | 91e385039cb025b0d3c6b07ec2371170ee303fb3 /llvm/lib/CodeGen | |
| parent | 5f0a1b89d7f43ae8307f4fffbfbe1e9cc8e00c81 (diff) | |
| download | bcm5719-llvm-b8844d674443a26a4563158215493e2d8957bd5d.tar.gz bcm5719-llvm-b8844d674443a26a4563158215493e2d8957bd5d.zip | |
Only apply the SETCC+SITOFP -> SELECTCC optimization when the SETCC returns an MVT::i1, i.e. before type legalization.
This is a speculative fix for a problem on Mips reported by Akira Hatanaka.
llvm-svn: 160036
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 153f643f730..e2c7dec40c7 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -5975,7 +5975,8 @@ SDValue DAGCombiner::visitSINT_TO_FP(SDNode *N) { } // fold (sint_to_fp (setcc x, y, cc)) -> (select_cc x, y, -1.0, 0.0,, cc) - if (N0.getOpcode() == ISD::SETCC && !VT.isVector() && + if (N0.getOpcode() == ISD::SETCC && N0.getValueType() == MVT::i1 && + !VT.isVector() && (!LegalOperations || TLI.isOperationLegalOrCustom(llvm::ISD::ConstantFP, VT))) { SDValue Ops[] = |
