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Add "--enable-llvm-passes=<passes>" option to wamrc (#2335)

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Add "--enable-llvm-passes=<passes>" option to wamrc for customizing LLVM passes
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Huang Qi 2023-07-04 12:20:52 +08:00 committed by GitHub
parent df98d9fb4a
commit 44f4b4f062
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 17 additions and 0 deletions
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3
core/iwasm/compilation/aot_llvm.c
View File

@ -2296,6 +2296,9 @@ aot_create_comp_context(const AOTCompData *comp_data, aot_comp_option_t option)
if (option->enable_stack_estimation)
comp_ctx->enable_stack_estimation = true;
if (option->llvm_passes)
comp_ctx->llvm_passes = option->llvm_passes;
comp_ctx->opt_level = option->opt_level;
comp_ctx->size_level = option->size_level;

2
core/iwasm/compilation/aot_llvm.h
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@ -417,6 +417,7 @@ typedef struct AOTCompContext {
const char *stack_usage_file;
char stack_usage_temp_file[64];
const char *llvm_passes;
} AOTCompContext;
enum {
@ -455,6 +456,7 @@ typedef struct AOTCompOption {
char **custom_sections;
uint32 custom_sections_count;
const char *stack_usage_file;
const char *llvm_passes;
} AOTCompOption, *aot_comp_option_t;
bool

4
core/iwasm/compilation/aot_llvm_extra.cpp
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@ -373,6 +373,10 @@ aot_apply_llvm_new_pass_manager(AOTCompContext *comp_ctx, LLVMModuleRef module)
MPM.addPass(createModuleToFunctionPassAdaptor(std::move(FPM)));
if (comp_ctx->llvm_passes) {
ExitOnErr(PB.parsePassPipeline(MPM, comp_ctx->llvm_passes));
}
if (!disable_llvm_lto) {
/* Apply LTO for AOT mode */
if (comp_ctx->comp_data->func_count >= 10

1
core/iwasm/include/aot_export.h
View File

@ -67,6 +67,7 @@ typedef struct AOTCompOption {
char **custom_sections;
uint32_t custom_sections_count;
const char *stack_usage_file;
const char *llvm_passes;
} AOTCompOption, *aot_comp_option_t;
bool

7
wamr-compiler/main.c
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@ -70,6 +70,8 @@ print_help()
printf(" --disable-llvm-intrinsics Disable the LLVM built-in intrinsics\n");
printf(" --disable-llvm-lto Disable the LLVM link time optimization\n");
printf(" --enable-llvm-pgo Enable LLVM PGO (Profile-Guided Optimization)\n");
printf(" --enable-llvm-passes=<passes>\n");
printf(" Enable the specified LLVM passes, using comma to separate\n");
printf(" --use-prof-file=<file> Use profile file collected by LLVM PGO (Profile-Guided Optimization)\n");
printf(" --enable-segue[=<flags>] Enable using segment register GS as the base address of linear memory,\n");
printf(" only available on linux/linux-sgx x86-64, which may improve performance,\n");
@ -342,6 +344,11 @@ main(int argc, char *argv[])
else if (!strcmp(argv[0], "--enable-llvm-pgo")) {
option.enable_llvm_pgo = true;
}
else if (!strncmp(argv[0], "--enable-llvm-passes=", 21)) {
if (argv[0][21] == '\0')
PRINT_HELP_AND_EXIT();
option.llvm_passes = argv[0] + 21;
}
else if (!strncmp(argv[0], "--use-prof-file=", 16)) {
if (argv[0][16] == '\0')
PRINT_HELP_AND_EXIT();