diff options
| -rw-r--r-- | llvm/lib/Target/R600/SIInstrInfo.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/llvm/lib/Target/R600/SIInstrInfo.cpp b/llvm/lib/Target/R600/SIInstrInfo.cpp index 4aa5ac889c3..9328c2c2c23 100644 --- a/llvm/lib/Target/R600/SIInstrInfo.cpp +++ b/llvm/lib/Target/R600/SIInstrInfo.cpp @@ -1242,8 +1242,13 @@ const TargetRegisterClass *SIInstrInfo::getOpRegClass(const MachineInstr &MI, const MachineRegisterInfo &MRI = MI.getParent()->getParent()->getRegInfo(); const MCInstrDesc &Desc = get(MI.getOpcode()); if (MI.isVariadic() || OpNo >= Desc.getNumOperands() || - Desc.OpInfo[OpNo].RegClass == -1) - return MRI.getRegClass(MI.getOperand(OpNo).getReg()); + Desc.OpInfo[OpNo].RegClass == -1) { + unsigned Reg = MI.getOperand(OpNo).getReg(); + + if (TargetRegisterInfo::isVirtualRegister(Reg)) + return MRI.getRegClass(Reg); + return RI.getRegClass(Reg); + } unsigned RCID = Desc.OpInfo[OpNo].RegClass; return RI.getRegClass(RCID); |
