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AMDGPU/GlobalISel: Fix AGPR regbank check for mfma_scale (#167393)

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Fixes regressions with #159493 after 476a6ea9575
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Matt Arsenault 2025-11-10 13:54:35 -08:00 committed by GitHub
parent 4b9d7e167b
commit 8c86bc89c1
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GPG Key ID: B5690EEEBB952194
1 changed files with 6 additions and 6 deletions
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12
llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
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@ -5081,17 +5081,17 @@ AMDGPURegisterBankInfo::getInstrMapping(const MachineInstr &MI) const {
unsigned MinNumRegsRequired = DstSize / 32;
const SIMachineFunctionInfo *Info = MF.getInfo<SIMachineFunctionInfo>();
bool UseAGPRForm = Info->selectAGPRFormMFMA(MinNumRegsRequired);
OpdsMapping[0] =
Info->getMinNumAGPRs() >= MinNumRegsRequired
? getAGPROpMapping(MI.getOperand(0).getReg(), MRI, *TRI)
: getVGPROpMapping(MI.getOperand(0).getReg(), MRI, *TRI);
UseAGPRForm ? getAGPROpMapping(MI.getOperand(0).getReg(), MRI, *TRI)
: getVGPROpMapping(MI.getOperand(0).getReg(), MRI, *TRI);
OpdsMapping[2] = getVGPROpMapping(MI.getOperand(2).getReg(), MRI, *TRI);
OpdsMapping[3] = getVGPROpMapping(MI.getOperand(3).getReg(), MRI, *TRI);
OpdsMapping[4] =
Info->getMinNumAGPRs() >= MinNumRegsRequired
? getAGPROpMapping(MI.getOperand(4).getReg(), MRI, *TRI)
: getVGPROpMapping(MI.getOperand(4).getReg(), MRI, *TRI);
UseAGPRForm ? getAGPROpMapping(MI.getOperand(4).getReg(), MRI, *TRI)
: getVGPROpMapping(MI.getOperand(4).getReg(), MRI, *TRI);
OpdsMapping[8] = getVGPROpMapping(MI.getOperand(8).getReg(), MRI, *TRI);
OpdsMapping[10] = getVGPROpMapping(MI.getOperand(10).getReg(), MRI, *TRI);