Remove llc/opt hack. XX.bc now contains useful debug info thanks to removal of optimization flags in debug builds.

This commit is contained in:
lachsinc
2018-09-18 14:17:43 +10:00
parent 2f86f8f8e0
commit 8a789e33b0
2 changed files with 17 additions and 20 deletions

View File

@@ -573,10 +573,23 @@ void init_build_context(void) {
bc->optimization_level = gb_clamp(bc->optimization_level, 0, 3);
gbString opt_flags = gb_string_make_reserve(heap_allocator(), 16);
gbString opt_flags = gb_string_make_reserve(heap_allocator(), 64);
opt_flags = gb_string_append_fmt(opt_flags, "-O%d ", bc->optimization_level);
if (bc->optimization_level != 0) {
opt_flags = gb_string_append_fmt(opt_flags, "-O%d", bc->optimization_level);
// NOTE(lachsinc): The following options were previously passed during call
// to opt in main.cpp:exec_llvm_opt().
// -die: Dead instruction elimination
// -memcpyopt: MemCpy optimization
opt_flags = gb_string_appendc(opt_flags, "-memcpyopt -die ");
}
// NOTE(lachsinc): This optimization option was previously required to get
// around an issue in fmt.odin. Thank bp for tracking it down! Leaving for now until the issue
// is resolved and confirmed by Bill. Maybe it should be readded in non-debug builds.
// if (bc->ODIN_DEBUG == false) {
// opt_flags = gb_string_appendc(opt_flags, "-mem2reg ");
// }
bc->opt_flags = make_string_c(opt_flags);

View File

@@ -661,16 +661,10 @@ void remove_temp_files(String output_base) {
}
i32 exec_llvm_opt(String output_base) {
// NOTE(lachsinc): See note below in exec_llvm_llc.
if (build_context.ODIN_DEBUG == true) return 0;
#if defined(GB_SYSTEM_WINDOWS)
// For more passes arguments: http://llvm.org/docs/Passes.html
return system_exec_command_line_app("llvm-opt", false,
"\"%.*sbin/opt\" \"%.*s.ll\" -o \"%.*s.bc\" %.*s "
"-mem2reg "
"-memcpyopt "
"-die "
"",
LIT(build_context.ODIN_ROOT),
LIT(output_base), LIT(output_base),
@@ -680,9 +674,6 @@ i32 exec_llvm_opt(String output_base) {
// with the Windows version, while they will be system-provided on MacOS and GNU/Linux
return system_exec_command_line_app("llvm-opt", false,
"opt \"%.*s.ll\" -o \"%.*s.bc\" %.*s "
"-mem2reg "
"-memcpyopt "
"-die "
"",
LIT(output_base), LIT(output_base),
LIT(build_context.opt_flags));
@@ -690,21 +681,15 @@ i32 exec_llvm_opt(String output_base) {
}
i32 exec_llvm_llc(String output_base) {
// NOTE(lachsinc): HACK!! opt.exe seems to strip away CodeView/PDB symbols regardless of
// To get around this we will use the non-optimized (.ll) version during debug build.
// There's probably better way to deal with this involving arguments or passing
// additional things (.ll file) into llc.
#if defined(GB_SYSTEM_WINDOWS)
// For more arguments: http://llvm.org/docs/CommandGuide/llc.html
return system_exec_command_line_app("llvm-llc", false,
"\"%.*sbin\\llc\" \"%.*s%s\" -filetype=obj -O%d "
"\"%.*sbin\\llc\" \"%.*s.bc\" -filetype=obj -O%d "
"-o \"%.*s.obj\" "
"%.*s "
"",
LIT(build_context.ODIN_ROOT),
LIT(output_base),
build_context.ODIN_DEBUG ? ".ll" : ".bc",
build_context.optimization_level,
LIT(output_base),
LIT(build_context.llc_flags));
@@ -712,12 +697,11 @@ i32 exec_llvm_llc(String output_base) {
// NOTE(zangent): Linux / Unix is unfinished and not tested very well.
// For more arguments: http://llvm.org/docs/CommandGuide/llc.html
return system_exec_command_line_app("llc", false,
"llc \"%.*s%s\" -filetype=obj -relocation-model=pic -O%d "
"llc \"%.*s.bc\" -filetype=obj -relocation-model=pic -O%d "
"%.*s "
"%s"
"",
LIT(output_base),
build_context.ODIN_DEBUG ? ".ll" : ".bc",
build_context.optimization_level,
LIT(build_context.llc_flags),
str_eq_ignore_case(cross_compile_target, str_lit("Essence")) ? "-mtriple=x86_64-pc-none-elf" : "");