diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/AMDGPUMCInstLower.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPUMCInstLower.cpp | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUMCInstLower.cpp b/llvm/lib/Target/AMDGPU/AMDGPUMCInstLower.cpp index ba52c3ae1a4..0900832c1f1 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUMCInstLower.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPUMCInstLower.cpp @@ -129,6 +129,7 @@ bool AMDGPUMCInstLower::lowerOperand(const MachineOperand &MO, void AMDGPUMCInstLower::lower(const MachineInstr *MI, MCInst &OutMI) const { unsigned Opcode = MI->getOpcode(); + const auto *TII = ST.getInstrInfo(); // FIXME: Should be able to handle this with emitPseudoExpansionLowering. We // need to select it to the subtarget specific version, and there's no way to @@ -137,11 +138,17 @@ void AMDGPUMCInstLower::lower(const MachineInstr *MI, MCInst &OutMI) const { Opcode = AMDGPU::S_SETPC_B64; else if (Opcode == AMDGPU::SI_CALL) { // SI_CALL is just S_SWAPPC_B64 with an additional operand to track the - // called function. - Opcode = AMDGPU::S_SWAPPC_B64; + // called function (which we need to remove here). + OutMI.setOpcode(TII->pseudoToMCOpcode(AMDGPU::S_SWAPPC_B64)); + MCOperand Dest, Src; + lowerOperand(MI->getOperand(0), Dest); + lowerOperand(MI->getOperand(1), Src); + OutMI.addOperand(Dest); + OutMI.addOperand(Src); + return; } - int MCOpcode = ST.getInstrInfo()->pseudoToMCOpcode(Opcode); + int MCOpcode = TII->pseudoToMCOpcode(Opcode); if (MCOpcode == -1) { LLVMContext &C = MI->getParent()->getParent()->getFunction()->getContext(); C.emitError("AMDGPUMCInstLower::lower - Pseudo instruction doesn't have " |
