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add -mllvm support

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useful for debugging crashes in llvm optimizer
This commit is contained in:
Andrew Kelley
2017-09-17 17:46:16 -04:00
parent faaaf88327
commit b8ee3a8143
6 changed files with 34 additions and 0 deletions
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16
src/codegen.cpp
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@@ -152,6 +152,11 @@ void codegen_set_clang_argv(CodeGen *g, const char **args, size_t len) {
g->clang_argv_len = len;
}
void codegen_set_llvm_argv(CodeGen *g, const char **args, size_t len) {
g->llvm_argv = args;
g->llvm_argv_len = len;
}
void codegen_set_omit_zigrt(CodeGen *g, bool omit_zigrt) {
g->omit_zigrt = omit_zigrt;
}
@@ -4918,6 +4923,17 @@ static void init(CodeGen *g) {
if (g->module)
return;
if (g->llvm_argv_len > 0) {
const char **args = allocate_nonzero<const char *>(g->llvm_argv_len + 2);
args[0] = "zig (LLVM option parsing)";
for (size_t i = 0; i < g->llvm_argv_len; i += 1) {
args[i + 1] = g->llvm_argv[i];
}
args[g->llvm_argv_len + 1] = nullptr;
ZigLLVMParseCommandLineOptions(g->llvm_argv_len + 1, args);
}
if (g->is_test_build) {
g->windows_subsystem_windows = false;
g->windows_subsystem_console = true;