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Add attr disallowing kernel to spill

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Add handling of attribute disallowing kernel to spill
when -fail-on-spill option is present:
__attribute__((annotate("igc-do-not-spill")))
This commit is contained in:
Filip Fudala
2022-03-22 16:36:50 +00:00
committed by igcbot
parent 1c8069711a
commit 77a37a905c
1 changed files with 19 additions and 9 deletions
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28
IGC/Compiler/CodeGenContext.cpp
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@ -617,22 +617,32 @@ namespace IGC
{
return;
}
// If there is fail-on-spill option provided
// and __attribute__((annotate("igc-do-not-spill"))) is present for a kernel,
// we fail compilation
auto& programList = m_programOutput.m_ShaderProgramList;
for (auto& kernel : programList)
{
for (auto mode : { SIMDMode::SIMD8, SIMDMode::SIMD16, SIMDMode::SIMD32 })
{
COpenCLKernel* shader = static_cast<COpenCLKernel*>(kernel->GetShader(mode));
if (shader)
if (!COpenCLKernel::IsValidShader(shader))
{
auto output = shader->ProgramOutput();
if (output->m_scratchSpaceUsedBySpills > 0)
{
std::string msg =
"Spills detected in kernel: "
+ shader->m_kernelInfo.m_kernelName;
EmitError(msg.c_str(), nullptr);
}
continue;
}
auto& funcMD = modMD->FuncMD[shader->entry];
auto& annotatnions = funcMD.UserAnnotations;
auto output = shader->ProgramOutput();
if (output->m_scratchSpaceUsedBySpills > 0 &&
std::find(annotatnions.begin(), annotatnions.end(), "igc-do-not-spill") != annotatnions.end())
{
std::string msg =
"Spills detected in kernel: "
+ shader->m_kernelInfo.m_kernelName;
EmitError(msg.c_str(), nullptr);
}
}
}