maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

AMDGPU: Minor cleanup of shrinking logic 

llvm-svn: 307312
This commit is contained in:
Matt Arsenault 2017-07-06 20:56:59 +00:00
parent 60b91e0ba2
commit a81198d82d
1 changed files with 4 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp
View File

@ -110,10 +110,8 @@ static bool canShrink(MachineInstr &MI, const SIInstrInfo *TII,
} }
const MachineOperand *Src1 = TII->getNamedOperand(MI, AMDGPU::OpName::src1); const MachineOperand *Src1 = TII->getNamedOperand(MI, AMDGPU::OpName::src1);
const MachineOperand *Src1Mod = if (Src1 && (!isVGPR(Src1, TRI, MRI) ||
TII->getNamedOperand(MI, AMDGPU::OpName::src1_modifiers); TII->hasModifiersSet(MI, AMDGPU::OpName::src1_modifiers)))
if (Src1 && (!isVGPR(Src1, TRI, MRI) || (Src1Mod && Src1Mod->getImm() != 0)))
return false; return false;
// We don't need to check src0, all input types are legal, so just make sure // We don't need to check src0, all input types are legal, so just make sure
@ -122,10 +120,8 @@ static bool canShrink(MachineInstr &MI, const SIInstrInfo *TII,
return false; return false;
// Check output modifiers // Check output modifiers
if (TII->hasModifiersSet(MI, AMDGPU::OpName::omod)) return !TII->hasModifiersSet(MI, AMDGPU::OpName::omod) &&
return false; !TII->hasModifiersSet(MI, AMDGPU::OpName::clamp);
return !TII->hasModifiersSet(MI, AMDGPU::OpName::clamp);
} }
/// \brief This function checks \p MI for operands defined by a move immediate /// \brief This function checks \p MI for operands defined by a move immediate