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R600/SI: Support byval arguments 

llvm-svn: 192555
This commit is contained in:
Vincent Lejeune 2013-10-13 17:56:16 +00:00
parent fa58a5fb60
commit d623644d17
2 changed files with 8 additions and 2 deletions
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7
llvm/lib/Target/R600/AMDGPUCallingConv.td
View File

@ -33,7 +33,12 @@ def CC_SI : CallingConv<[
VGPR8, VGPR9, VGPR10, VGPR11, VGPR12, VGPR13, VGPR14, VGPR15, VGPR8, VGPR9, VGPR10, VGPR11, VGPR12, VGPR13, VGPR14, VGPR15,
VGPR16, VGPR17, VGPR18, VGPR19, VGPR20, VGPR21, VGPR22, VGPR23, VGPR16, VGPR17, VGPR18, VGPR19, VGPR20, VGPR21, VGPR22, VGPR23,
VGPR24, VGPR25, VGPR26, VGPR27, VGPR28, VGPR29, VGPR30, VGPR31 VGPR24, VGPR25, VGPR26, VGPR27, VGPR28, VGPR29, VGPR30, VGPR31
]>>> ]>>>,
CCIfByVal<CCIfType<[i64] , CCAssignToRegWithShadow<
[ SGPR0, SGPR2, SGPR4, SGPR6, SGPR8, SGPR10, SGPR12, SGPR14 ],
[ SGPR1, SGPR3, SGPR5, SGPR7, SGPR9, SGPR11, SGPR13, SGPR15 ]
>>>
]>; ]>;

3
llvm/lib/Target/R600/SIISelLowering.cpp
View File

@ -158,7 +158,8 @@ SDValue SITargetLowering::LowerFormalArguments(
const ISD::InputArg &Arg = Ins[i]; const ISD::InputArg &Arg = Ins[i];
// First check if it's a PS input addr // First check if it's a PS input addr
if (Info->ShaderType == ShaderType::PIXEL && !Arg.Flags.isInReg()) { if (Info->ShaderType == ShaderType::PIXEL && !Arg.Flags.isInReg() &&
!Arg.Flags.isByVal()) {
assert((PSInputNum <= 15) && "Too many PS inputs!"); assert((PSInputNum <= 15) && "Too many PS inputs!");