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Add an also-emit-llvm option to the gold plugin.

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llvm-svn: 103714
This commit is contained in:
Rafael Espindola 2010-05-13 13:39:31 +00:00
parent aa67ae072c
commit bc6fabbd3e
1 changed files with 14 additions and 0 deletions
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14
tools/gold/gold-plugin.cpp
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@ -59,6 +59,7 @@ namespace {
namespace options {
static bool generate_api_file = false;
static std::string bc_path;
static const char *as_path = NULL;
// Additional options to pass into the code generator.
// Note: This array will contain all plugin options which are not claimed
@ -81,6 +82,14 @@ namespace options {
} else {
as_path = strdup(opt + 3);
}
} else if(llvm::StringRef(opt).startswith("also-emit-llvm=")) {
const char *path = opt + strlen("also-emit-llvm=");
if (bc_path != "") {
(*message)(LDPL_WARNING, "Path to the output IL file specified twice. "
"Discarding %s", opt);
} else {
bc_path = path;
}
} else {
// Save this option to pass to the code generator.
extra.push_back(std::string(opt));
@ -374,6 +383,11 @@ static ld_plugin_status all_symbols_read_hook(void) {
}
}
if (options::bc_path != "") {
bool err = lto_codegen_write_merged_modules(cg, options::bc_path.c_str());
if (err)
(*message)(LDPL_FATAL, "Failed to write the output file.");
}
size_t bufsize = 0;
const char *buffer = static_cast<const char *>(lto_codegen_compile(cg,
&bufsize));