diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp b/llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp index c891af7a08f..e72b7d496ab 100644 --- a/llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp +++ b/llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp @@ -134,7 +134,6 @@ static void foldImmediates(MachineInstr &MI, const SIInstrInfo *TII, assert(TII->isVOP1(MI) || TII->isVOP2(MI) || TII->isVOPC(MI)); - const SIRegisterInfo &TRI = TII->getRegisterInfo(); int Src0Idx = AMDGPU::getNamedOperandIdx(MI.getOpcode(), AMDGPU::OpName::src0); MachineOperand &Src0 = MI.getOperand(Src0Idx); @@ -144,12 +143,6 @@ static void foldImmediates(MachineInstr &MI, const SIInstrInfo *TII, TII->isLiteralConstant(Src0, TII->getOpSize(MI, Src0Idx))) return; - // Literal constants and SGPRs can only be used in Src0, so if Src0 is an - // SGPR, we cannot commute the instruction, so we can't fold any literal - // constants. - if (Src0.isReg() && !isVGPR(&Src0, TRI, MRI)) - return; - // Try to fold Src0 if (Src0.isReg() && MRI.hasOneUse(Src0.getReg())) { unsigned Reg = Src0.getReg(); @@ -158,7 +151,8 @@ static void foldImmediates(MachineInstr &MI, const SIInstrInfo *TII, MachineOperand &MovSrc = Def->getOperand(1); bool ConstantFolded = false; - if (MovSrc.isImm() && isUInt<32>(MovSrc.getImm())) { + if (MovSrc.isImm() && (isInt<32>(MovSrc.getImm()) || + isUInt<32>(MovSrc.getImm()))) { Src0.ChangeToImmediate(MovSrc.getImm()); ConstantFolded = true; } |
