diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIISelLowering.cpp | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp index 1653008..79876ff 100644 --- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp +++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp @@ -64,14 +64,6 @@ static cl::opt<bool> UseDivergentRegisterIndexing( cl::desc("Use indirect register addressing for divergent indexes"), cl::init(false)); -// TODO: This option should be removed once we switch to always using PTRADD in -// the SelectionDAG. -static cl::opt<bool> UseSelectionDAGPTRADD( - "amdgpu-use-sdag-ptradd", cl::Hidden, - cl::desc("Generate ISD::PTRADD nodes for 64-bit pointer arithmetic in the " - "SelectionDAG ISel"), - cl::init(false)); - static bool denormalModeIsFlushAllF32(const MachineFunction &MF) { const SIMachineFunctionInfo *Info = MF.getInfo<SIMachineFunctionInfo>(); return Info->getMode().FP32Denormals == DenormalMode::getPreserveSign(); @@ -11466,7 +11458,7 @@ static bool isNoUnsignedWrap(SDValue Addr) { bool SITargetLowering::shouldPreservePtrArith(const Function &F, EVT PtrVT) const { - return UseSelectionDAGPTRADD && PtrVT == MVT::i64; + return PtrVT == MVT::i64; } bool SITargetLowering::canTransformPtrArithOutOfBounds(const Function &F, @@ -18887,7 +18879,7 @@ bool SITargetLowering::checkForPhysRegDependency( PhysReg = AMDGPU::SCC; const TargetRegisterClass *RC = TRI->getMinimalPhysRegClass(PhysReg, Def->getSimpleValueType(ResNo)); - Cost = RC->getCopyCost(); + Cost = RC->expensiveOrImpossibleToCopy() ? -1 : RC->getCopyCost(); return true; } return false; |