diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMInstructionSelector.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstructionSelector.cpp | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstructionSelector.cpp b/llvm/lib/Target/ARM/ARMInstructionSelector.cpp index 2d6bad95d7c..8c680cdf9b4 100644 --- a/llvm/lib/Target/ARM/ARMInstructionSelector.cpp +++ b/llvm/lib/Target/ARM/ARMInstructionSelector.cpp @@ -101,14 +101,6 @@ static bool selectCopy(MachineInstr &I, const TargetInstrInfo &TII, assert(RegBank && "Can't get reg bank for virtual register"); const unsigned DstSize = MRI.getType(DstReg).getSizeInBits(); - (void)DstSize; - unsigned SrcReg = I.getOperand(1).getReg(); - const unsigned SrcSize = RBI.getSizeInBits(SrcReg, MRI, TRI); - (void)SrcSize; - // We use copies for trunc, so it's ok for the size of the destination to be - // smaller (the higher bits will just be undefined). - assert(DstSize <= SrcSize && "Copy with different width?!"); - assert((RegBank->getID() == ARM::GPRRegBankID || RegBank->getID() == ARM::FPRRegBankID) && "Unsupported reg bank"); @@ -330,6 +322,7 @@ bool ARMInstructionSelector::select(MachineInstr &I) const { } break; } + case G_ANYEXT: case G_TRUNC: { // The high bits are undefined, so there's nothing special to do, just // treat it as a copy. @@ -340,12 +333,12 @@ bool ARMInstructionSelector::select(MachineInstr &I) const { const auto &DstRegBank = *RBI.getRegBank(DstReg, MRI, TRI); if (SrcRegBank.getID() != DstRegBank.getID()) { - DEBUG(dbgs() << "G_TRUNC operands on different register banks\n"); + DEBUG(dbgs() << "G_TRUNC/G_ANYEXT operands on different register banks\n"); return false; } if (SrcRegBank.getID() != ARM::GPRRegBankID) { - DEBUG(dbgs() << "G_TRUNC on non-GPR not supported yet\n"); + DEBUG(dbgs() << "G_TRUNC/G_ANYEXT on non-GPR not supported yet\n"); return false; } |
