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clover/llvm: Clean up compilation into LLVM IR.

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Some assorted and mostly trivial clean-ups for the source to bitcode
compilation path.

Reviewed-by: Serge Martin <edb+mesa@sigluy.net>
Tested-by: Jan Vesely <jan.vesely@rutgers.edu>
This commit is contained in:
Francisco Jerez
2016-05-17 16:02:42 +02:00
parent 714b167f57
commit bdc27f13d5
1 changed files with 21 additions and 29 deletions
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48
src/gallium/state_trackers/clover/llvm/invocation.cpp
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@@ -195,13 +195,11 @@ namespace {
return c;
}
llvm::Module *
compile_llvm(LLVMContext &ctx, clang::CompilerInstance &c,
const std::string &source, const header_map &headers,
const std::string &name, const std::string &target,
std::unique_ptr<Module>
compile(LLVMContext &ctx, clang::CompilerInstance &c,
const std::string &name, const std::string &source,
const header_map &headers, const std::string &target,
const std::string &opts, std::string &r_log) {
clang::EmitLLVMOnlyAction act(&ctx);
c.getFrontendOpts().ProgramAction = clang::frontend::EmitLLVMOnly;
c.getHeaderSearchOpts().UseBuiltinIncludes = true;
c.getHeaderSearchOpts().UseStandardSystemIncludes = true;
@@ -210,32 +208,27 @@ namespace {
// Add libclc generic search path
c.getHeaderSearchOpts().AddPath(LIBCLC_INCLUDEDIR,
clang::frontend::Angled,
false, false
);
false, false);
// Add libclc include
c.getPreprocessorOpts().Includes.push_back("clc/clc.h");
// clc.h requires that this macro be defined:
c.getPreprocessorOpts().addMacroDef("cl_clang_storage_class_specifiers");
c.getPreprocessorOpts().addRemappedFile(name,
llvm::MemoryBuffer::getMemBuffer(source).release());
c.getPreprocessorOpts().addRemappedFile(
name, ::llvm::MemoryBuffer::getMemBuffer(source).release());
if (headers.size()) {
const std::string tmp_header_path = "/tmp/clover/";
c.getHeaderSearchOpts().AddPath(tmp_header_path,
clang::frontend::Angled,
false, false
);
false, false);
for (header_map::const_iterator it = headers.begin();
it != headers.end(); ++it) {
const std::string path = tmp_header_path + std::string(it->first);
c.getPreprocessorOpts().addRemappedFile(path,
llvm::MemoryBuffer::getMemBuffer(it->second.c_str()).release());
}
for (const auto &header : headers)
c.getPreprocessorOpts().addRemappedFile(
tmp_header_path + header.first,
::llvm::MemoryBuffer::getMemBuffer(header.second).release());
}
// Tell clang to link this file before performing any
@@ -249,10 +242,11 @@ namespace {
LIBCLC_LIBEXECDIR + target + ".bc");
// Compile the code
clang::EmitLLVMOnlyAction act(&ctx);
if (!c.ExecuteAction(act))
throw compile_error();
return act.takeModule().release();
return act.takeModule();
}
std::vector<llvm::Function *>
@@ -794,10 +788,9 @@ clover::compile_program_llvm(const std::string &source,
// CompilerInvocation class to recognize it as an OpenCL source file.
const auto c = create_compiler_instance(target, tokenize(opts + " input.cl"),
r_log);
Module *mod = compile_llvm(*ctx, *c, source, headers, "input.cl",
target, opts, r_log);
auto mod = compile(*ctx, *c, "input.cl", source, headers, target, opts, r_log);
optimize(mod, c->getCodeGenOpts().OptimizationLevel);
optimize(&*mod, c->getCodeGenOpts().OptimizationLevel);
if (get_debug_flags() & DBG_LLVM) {
std::string log;
@@ -817,17 +810,16 @@ clover::compile_program_llvm(const std::string &source,
m = module();
break;
case PIPE_SHADER_IR_LLVM:
m = build_module_llvm(mod, *c);
m = build_module_llvm(&*mod, *c);
break;
case PIPE_SHADER_IR_NATIVE: {
std::vector<char> code = compile_native(mod, target,
std::vector<char> code = compile_native(&*mod, target,
get_debug_flags() & DBG_ASM,
r_log);
m = build_module_native(code, mod, *c, r_log);
m = build_module_native(code, &*mod, *c, r_log);
break;
}
}
// The user takes ownership of the module.
delete mod;
return m;
}