diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp index 82268233976..da690c37c56 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp @@ -343,7 +343,21 @@ AMDGPURegisterBankInfo::getInstrAlternativeMappings( InstructionMappings AltMappings; switch (MI.getOpcode()) { - case TargetOpcode::G_CONSTANT: + case TargetOpcode::G_CONSTANT: { + unsigned Size = getSizeInBits(MI.getOperand(0).getReg(), MRI, *TRI); + if (Size == 1) { + static const OpRegBankEntry<1> Table[4] = { + { { AMDGPU::VGPRRegBankID }, 1 }, + { { AMDGPU::SGPRRegBankID }, 1 }, + { { AMDGPU::VCCRegBankID }, 1 }, + { { AMDGPU::SCCRegBankID }, 1 } + }; + + return addMappingFromTable<1>(MI, MRI, { 0 }, Table); + } + + LLVM_FALLTHROUGH; + } case TargetOpcode::G_FCONSTANT: case TargetOpcode::G_FRAME_INDEX: case TargetOpcode::G_GLOBAL_VALUE: { |
