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| author | Akira Hatanaka <ahatanaka@apple.com> | 2017-04-21 01:31:50 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@apple.com> | 2017-04-21 01:31:50 +0000 |
| commit | 78ccba6a204eeb5bf0a72ba599451e73ba3649ea (patch) | |
| tree | 90c64e9cffe3f11ced9b5b9c61e992d5217160ab /llvm/lib/Target/X86/X86ISelLowering.cpp | |
| parent | a232323ff7c17665ca4a354a82bb13baa6a64770 (diff) | |
| download | bcm5719-llvm-78ccba6a204eeb5bf0a72ba599451e73ba3649ea.tar.gz bcm5719-llvm-78ccba6a204eeb5bf0a72ba599451e73ba3649ea.zip | |
Revert r300932 and r300930.
It seems that r300930 was creating an infinite loop in dag-combine when
compling the following file:
MultiSource/Benchmarks/MiBench/consumer-typeset/z21.c
llvm-svn: 300940
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index e3de30417b0..b5f29fb400e 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -30207,7 +30207,7 @@ static SDValue combineSelect(SDNode *N, SelectionDAG &DAG, APInt KnownZero, KnownOne; TargetLowering::TargetLoweringOpt TLO(DAG, DCI.isBeforeLegalize(), DCI.isBeforeLegalizeOps()); - if (TLI.ShrinkDemandedConstant(Cond, DemandedMask, TLO) || + if (TLO.ShrinkDemandedConstant(Cond, DemandedMask) || TLI.SimplifyDemandedBits(Cond, DemandedMask, KnownZero, KnownOne, TLO)) { // If we changed the computation somewhere in the DAG, this change will @@ -33777,7 +33777,7 @@ static SDValue combineBT(SDNode *N, SelectionDAG &DAG, TargetLowering::TargetLoweringOpt TLO(DAG, !DCI.isBeforeLegalize(), !DCI.isBeforeLegalizeOps()); const TargetLowering &TLI = DAG.getTargetLoweringInfo(); - if (TLI.ShrinkDemandedConstant(Op1, DemandedMask, TLO) || + if (TLO.ShrinkDemandedConstant(Op1, DemandedMask) || TLI.SimplifyDemandedBits(Op1, DemandedMask, KnownZero, KnownOne, TLO)) DCI.CommitTargetLoweringOpt(TLO); } |
