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R600/SI: Set correct number of user sgprs for HSA runtime

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We don't support scratch buffers yet with HSA.

llvm-svn: 223130
This commit is contained in:
Tom Stellard 2014-12-02 17:41:43 +00:00
parent a5a15255cc
commit 98b309ed3d
1 changed files with 4 additions and 1 deletions
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5
lib/Target/R600/SIISelLowering.cpp
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@ -489,7 +489,10 @@ SDValue SITargetLowering::LowerFormalArguments(
// The pointer to the list of arguments is stored in SGPR0, SGPR1
// The pointer to the scratch buffer is stored in SGPR2, SGPR3
if (Info->getShaderType() == ShaderType::COMPUTE) {
Info->NumUserSGPRs = 4;
if (Subtarget->isAmdHsaOS())
Info->NumUserSGPRs = 2; // FIXME: Need to support scratch buffers.
else
Info->NumUserSGPRs = 4;
unsigned InputPtrReg =
TRI->getPreloadedValue(MF, SIRegisterInfo::INPUT_PTR);