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AMDGPU: Remove error on call in AsmPrinter

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Partial revert of r301938 which is making it harder
to split patches up.

llvm-svn: 304418
This commit is contained in:
Matt Arsenault 2017-06-01 15:05:15 +00:00
parent d5a85185d2
commit d9495dca77
1 changed files with 26 additions and 29 deletions
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55
lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
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@ -503,40 +503,37 @@ AMDGPUAsmPrinter::SIFunctionResourceInfo AMDGPUAsmPrinter::analyzeResourceUsage(
Info.HasDynamicallySizedStack = FrameInfo.hasVarSizedObjects();
Info.PrivateSegmentSize = FrameInfo.getStackSize();
if (!FrameInfo.hasCalls()) {
Info.UsesVCC = MRI.isPhysRegUsed(AMDGPU::VCC_LO) ||
MRI.isPhysRegUsed(AMDGPU::VCC_HI);
// If there are no calls, MachineRegisterInfo can tell us the used register
// count easily.
Info.UsesVCC = MRI.isPhysRegUsed(AMDGPU::VCC_LO) ||
MRI.isPhysRegUsed(AMDGPU::VCC_HI);
MCPhysReg HighestVGPRReg = AMDGPU::NoRegister;
for (MCPhysReg Reg : reverse(AMDGPU::VGPR_32RegClass.getRegisters())) {
if (MRI.isPhysRegUsed(Reg)) {
HighestVGPRReg = Reg;
break;
}
// If there are no calls, MachineRegisterInfo can tell us the used register
// count easily.
MCPhysReg HighestVGPRReg = AMDGPU::NoRegister;
for (MCPhysReg Reg : reverse(AMDGPU::VGPR_32RegClass.getRegisters())) {
if (MRI.isPhysRegUsed(Reg)) {
HighestVGPRReg = Reg;
break;
}
MCPhysReg HighestSGPRReg = AMDGPU::NoRegister;
for (MCPhysReg Reg : reverse(AMDGPU::SGPR_32RegClass.getRegisters())) {
if (MRI.isPhysRegUsed(Reg)) {
HighestSGPRReg = Reg;
break;
}
}
// We found the maximum register index. They start at 0, so add one to get the
// number of registers.
Info.NumVGPR = HighestVGPRReg == AMDGPU::NoRegister ? 0 :
TRI.getHWRegIndex(HighestVGPRReg) + 1;
Info.NumExplicitSGPR = HighestSGPRReg == AMDGPU::NoRegister ? 0 :
TRI.getHWRegIndex(HighestSGPRReg) + 1;
return Info;
}
llvm_unreachable("calls not implemented");
MCPhysReg HighestSGPRReg = AMDGPU::NoRegister;
for (MCPhysReg Reg : reverse(AMDGPU::SGPR_32RegClass.getRegisters())) {
if (MRI.isPhysRegUsed(Reg)) {
HighestSGPRReg = Reg;
break;
}
}
// We found the maximum register index. They start at 0, so add one to get the
// number of registers.
Info.NumVGPR = HighestVGPRReg == AMDGPU::NoRegister ? 0 :
TRI.getHWRegIndex(HighestVGPRReg) + 1;
Info.NumExplicitSGPR = HighestSGPRReg == AMDGPU::NoRegister ? 0 :
TRI.getHWRegIndex(HighestSGPRReg) + 1;
return Info;
}
void AMDGPUAsmPrinter::getSIProgramInfo(SIProgramInfo &ProgInfo,