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Add -g0 command line argument

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Analogous to gcc, -g0 would strip all debug info.  This is done
regardless of whether optimizations are enabled.

Signed-off-by: Shahbaz Youssefi <ShabbyX@gmail.com>
This commit is contained in:
Shahbaz Youssefi
2020-06-17 12:47:44 -04:00
parent 051c6fed88
commit d52dce5067
4 changed files with 87 additions and 43 deletions
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94
SPIRV/SpvTools.cpp
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@@ -80,6 +80,39 @@ spv_target_env MapToSpirvToolsEnv(const SpvVersion& spvVersion, spv::SpvBuildLog
return spv_target_env::SPV_ENV_UNIVERSAL_1_0;
}
// Callback passed to spvtools::Optimizer::SetMessageConsumer
void OptimizerMesssageConsumer(spv_message_level_t level, const char *source,
const spv_position_t &position, const char *message)
{
auto &out = std::cerr;
switch (level)
{
case SPV_MSG_FATAL:
case SPV_MSG_INTERNAL_ERROR:
case SPV_MSG_ERROR:
out << "error: ";
break;
case SPV_MSG_WARNING:
out << "warning: ";
break;
case SPV_MSG_INFO:
case SPV_MSG_DEBUG:
out << "info: ";
break;
default:
break;
}
if (source)
{
out << source << ":";
}
out << position.line << ":" << position.column << ":" << position.index << ":";
if (message)
{
out << " " << message;
}
out << std::endl;
}
// Use the SPIRV-Tools disassembler to print SPIR-V.
void SpirvToolsDisassemble(std::ostream& out, const std::vector<unsigned int>& spirv)
@@ -128,45 +161,14 @@ void SpirvToolsValidate(const glslang::TIntermediate& intermediate, std::vector<
spvContextDestroy(context);
}
// Apply the SPIRV-Tools optimizer to generated SPIR-V, for the purpose of
// legalizing HLSL SPIR-V.
void SpirvToolsLegalize(const glslang::TIntermediate& intermediate, std::vector<unsigned int>& spirv,
spv::SpvBuildLogger* logger, const SpvOptions* options)
// Apply the SPIRV-Tools optimizer to generated SPIR-V. HLSL SPIR-V is legalized in the process.
void SpirvToolsTransform(const glslang::TIntermediate& intermediate, std::vector<unsigned int>& spirv,
spv::SpvBuildLogger* logger, const SpvOptions* options)
{
spv_target_env target_env = SPV_ENV_UNIVERSAL_1_2;
spvtools::Optimizer optimizer(target_env);
optimizer.SetMessageConsumer(
[](spv_message_level_t level, const char *source, const spv_position_t &position, const char *message) {
auto &out = std::cerr;
switch (level)
{
case SPV_MSG_FATAL:
case SPV_MSG_INTERNAL_ERROR:
case SPV_MSG_ERROR:
out << "error: ";
break;
case SPV_MSG_WARNING:
out << "warning: ";
break;
case SPV_MSG_INFO:
case SPV_MSG_DEBUG:
out << "info: ";
break;
default:
break;
}
if (source)
{
out << source << ":";
}
out << position.line << ":" << position.column << ":" << position.index << ":";
if (message)
{
out << " " << message;
}
out << std::endl;
});
optimizer.SetMessageConsumer(OptimizerMesssageConsumer);
// If debug (specifically source line info) is being generated, propagate
// line information into all SPIR-V instructions. This avoids loss of
@@ -175,6 +177,9 @@ void SpirvToolsLegalize(const glslang::TIntermediate& intermediate, std::vector<
if (options->generateDebugInfo) {
optimizer.RegisterPass(spvtools::CreatePropagateLineInfoPass());
}
else if (options->stripDebugInfo) {
optimizer.RegisterPass(spvtools::CreateStripDebugInfoPass());
}
optimizer.RegisterPass(spvtools::CreateWrapOpKillPass());
optimizer.RegisterPass(spvtools::CreateDeadBranchElimPass());
optimizer.RegisterPass(spvtools::CreateMergeReturnPass());
@@ -212,6 +217,25 @@ void SpirvToolsLegalize(const glslang::TIntermediate& intermediate, std::vector<
optimizer.Run(spirv.data(), spirv.size(), &spirv, spvOptOptions);
}
// Apply the SPIRV-Tools optimizer to strip debug info from SPIR-V. This is implicitly done by
// SpirvToolsTransform if spvOptions->stripDebugInfo is set, but can be called separately if
// optimization is disabled.
void SpirvToolsStripDebugInfo(const glslang::TIntermediate& intermediate,
std::vector<unsigned int>& spirv, spv::SpvBuildLogger* logger)
{
spv_target_env target_env = SPV_ENV_UNIVERSAL_1_2;
spvtools::Optimizer optimizer(target_env);
optimizer.SetMessageConsumer(OptimizerMesssageConsumer);
optimizer.RegisterPass(spvtools::CreateStripDebugInfoPass());
spvtools::OptimizerOptions spvOptOptions;
optimizer.SetTargetEnv(MapToSpirvToolsEnv(intermediate.getSpv(), logger));
spvOptOptions.set_run_validator(false); // The validator may run as a separate step later on
optimizer.Run(spirv.data(), spirv.size(), &spirv, spvOptOptions);
}
}; // end namespace glslang
#endif