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-rw-r--r--llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
index 83dc059f951..fc4fa52e659 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
@@ -244,6 +244,12 @@ AMDGPURegisterBankInfo::getInstrMapping(const MachineInstr &MI) const {
OpdsMapping[0] = AMDGPU::getValueMapping(AMDGPU::SGPRRegBankID, Size);
break;
}
+ case AMDGPU::G_BITCAST: {
+ unsigned Size = MRI.getType(MI.getOperand(0).getReg()).getSizeInBits();
+ unsigned BankID = getRegBankID(MI.getOperand(1).getReg(), MRI, *TRI);
+ OpdsMapping[0] = OpdsMapping[1] = AMDGPU::getValueMapping(BankID, Size);
+ break;
+ }
case AMDGPU::G_GEP: {
for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) {
if (!MI.getOperand(i).isReg())
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