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clc: add dump_llvm debug options

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26524>
This commit is contained in:
Karol Herbst 2023-12-05 18:59:22 +01:00 • committed by Marge Bot
parent d9d398e652
commit 65de9bc81a
4 changed files with 25 additions and 2 deletions
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1
docs/envvars.rst
View file

@ -1063,6 +1063,7 @@ clc environment variables
a comma-separated list of debug channels to enable.
- ``dump_llvm`` Dumps all generated LLVM IRs
- ``dump_spirv`` Dumps all compiled, linked and specialized SPIR-Vs
- ``verbose`` Enable debug logging of clc code

1
src/compiler/clc/clc.c
View file

@ -35,6 +35,7 @@
static const struct debug_named_value clc_debug_options[] = {
{ "dump_spirv", CLC_DEBUG_DUMP_SPIRV, "Dump spirv blobs" },
{ "dump_llvm", CLC_DEBUG_DUMP_LLVM, "Dump LLVM blobs" },
{ "verbose", CLC_DEBUG_VERBOSE, NULL },
DEBUG_NAMED_VALUE_END
};

3
src/compiler/clc/clc.h
View file

@ -269,7 +269,8 @@ clc_specialize_spirv(const struct clc_binary *in_spirv,
enum clc_debug_flags {
CLC_DEBUG_DUMP_SPIRV = 1 << 0,
CLC_DEBUG_VERBOSE = 1 << 1,
CLC_DEBUG_DUMP_LLVM = 1 << 1,
CLC_DEBUG_VERBOSE = 1 << 2,
};
uint64_t clc_debug_flags(void);

22
src/compiler/clc/clc_helpers.cpp
View file

@ -79,6 +79,9 @@ using ::llvm::Module;
using ::llvm::raw_string_ostream;
using ::clang::driver::Driver;
static void
clc_dump_llvm(const llvm::Module *mod, FILE *f);
static void
llvm_log_handler(const ::llvm::DiagnosticInfo &di, void *data) {
const clc_logger *logger = static_cast<clc_logger *>(data);
@ -968,7 +971,12 @@ clc_compile_to_llvm_module(LLVMContext &llvm_ctx,
return {};
}
return act.takeModule();
auto mod = act.takeModule();
if (clc_debug_flags() & CLC_DEBUG_DUMP_LLVM)
clc_dump_llvm(mod.get(), stdout);
return mod;
}
static SPIRV::VersionNumber
@ -1252,6 +1260,18 @@ clc_spirv_specialize(const struct clc_binary *in_spirv,
return true;
}
static void
clc_dump_llvm(const llvm::Module *mod, FILE *f)
{
std::string out;
raw_string_ostream os(out);
mod->print(os, nullptr);
os.flush();
fwrite(out.c_str(), out.size(), 1, f);
}
void
clc_dump_spirv(const struct clc_binary *spvbin, FILE *f)
{