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Clamp maximum optimization level to 2 for -llvm-api

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This commit is contained in:
gingerBill
2021-03-29 15:51:15 +01:00
parent fc8c94324e
commit 66941aed0a
2 changed files with 24 additions and 16 deletions
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6
src/llvm_backend.cpp
View File

@@ -13631,14 +13631,14 @@ void lb_generate_code(lbGenerator *gen) {
defer (LLVMDisposePassManager(default_function_pass_manager));
LLVMInitializeFunctionPassManager(default_function_pass_manager);
lb_populate_function_pass_manager(default_function_pass_manager, false);
lb_populate_function_pass_manager(default_function_pass_manager, false, build_context.optimization_level);
LLVMFinalizeFunctionPassManager(default_function_pass_manager);
LLVMPassManagerRef default_function_pass_manager_without_memcpy = LLVMCreateFunctionPassManagerForModule(mod);
defer (LLVMDisposePassManager(default_function_pass_manager_without_memcpy));
LLVMInitializeFunctionPassManager(default_function_pass_manager_without_memcpy);
lb_populate_function_pass_manager(default_function_pass_manager_without_memcpy, true);
lb_populate_function_pass_manager(default_function_pass_manager_without_memcpy, true, build_context.optimization_level);
LLVMFinalizeFunctionPassManager(default_function_pass_manager_without_memcpy);
TIME_SECTION("LLVM Runtime Type Information Creation");
@@ -13961,7 +13961,7 @@ void lb_generate_code(lbGenerator *gen) {
LLVMPassManagerRef module_pass_manager = LLVMCreatePassManager();
defer (LLVMDisposePassManager(module_pass_manager));
lb_populate_module_pass_manager(target_machine, module_pass_manager);
lb_populate_module_pass_manager(target_machine, module_pass_manager, build_context.optimization_level);
LLVMRunPassManager(module_pass_manager, mod);

34
src/llvm_backend_opt.cpp
View File

@@ -2,11 +2,15 @@
#define LLVM_USE_BASIC_PASSES 0
#endif
void lb_populate_function_pass_manager(LLVMPassManagerRef fpm, bool ignore_memcpy_pass) {
void lb_populate_function_pass_manager(LLVMPassManagerRef fpm, bool ignore_memcpy_pass, i32 optimization_level) {
// NOTE(bill): Treat -opt:3 as if it was -opt:2
// TODO(bill): Determine which opt definitions should exist in the first place
optimization_level = gb_clamp(optimization_level, 0, 2);
if (!ignore_memcpy_pass) {
LLVMAddMemCpyOptPass(fpm);
}
if (LLVM_USE_BASIC_PASSES || build_context.optimization_level == 0) {
if (LLVM_USE_BASIC_PASSES || optimization_level == 0) {
LLVMAddPromoteMemoryToRegisterPass(fpm);
LLVMAddMergedLoadStoreMotionPass(fpm);
LLVMAddEarlyCSEPass(fpm);
@@ -35,7 +39,7 @@ void lb_populate_function_pass_manager(LLVMPassManagerRef fpm, bool ignore_memcp
LLVMAddLowerExpectIntrinsicPass(fpm);
}
void lb_add_function_simplifcation_passes(LLVMPassManagerRef mpm) {
void lb_add_function_simplifcation_passes(LLVMPassManagerRef mpm, i32 optimization_level) {
// LLVMAddScalarReplAggregatesPass(mpm);
LLVMAddEarlyCSEMemSSAPass(mpm);
@@ -44,7 +48,7 @@ void lb_add_function_simplifcation_passes(LLVMPassManagerRef mpm) {
LLVMAddJumpThreadingPass(mpm);
if (build_context.optimization_level > 2) {
if (optimization_level > 2) {
LLVMAddAggressiveInstCombinerPass(mpm);
}
LLVMAddInstructionCombiningPass(mpm);
@@ -88,10 +92,14 @@ void lb_add_function_simplifcation_passes(LLVMPassManagerRef mpm) {
}
void lb_populate_module_pass_manager(LLVMTargetMachineRef target_machine, LLVMPassManagerRef mpm) {
void lb_populate_module_pass_manager(LLVMTargetMachineRef target_machine, LLVMPassManagerRef mpm, i32 optimization_level) {
// NOTE(bill): Treat -opt:3 as if it was -opt:2
// TODO(bill): Determine which opt definitions should exist in the first place
optimization_level = gb_clamp(optimization_level, 0, 2);
LLVMPassManagerBuilderRef pmb = LLVMPassManagerBuilderCreate();
LLVMPassManagerBuilderSetOptLevel(pmb, build_context.optimization_level);
LLVMPassManagerBuilderSetSizeLevel(pmb, build_context.optimization_level);
LLVMPassManagerBuilderSetOptLevel(pmb, optimization_level);
LLVMPassManagerBuilderSetSizeLevel(pmb, optimization_level);
LLVMPassManagerBuilderPopulateLTOPassManager(pmb, mpm, false, true);
@@ -99,7 +107,7 @@ void lb_populate_module_pass_manager(LLVMTargetMachineRef target_machine, LLVMPa
LLVMAddStripDeadPrototypesPass(mpm);
LLVMAddAnalysisPasses(target_machine, mpm);
LLVMAddPruneEHPass(mpm);
if (LLVM_USE_BASIC_PASSES || build_context.optimization_level == 0) {
if (LLVM_USE_BASIC_PASSES || optimization_level == 0) {
// LLVMAddMergeFunctionsPass(mpm);
return;
}
@@ -119,10 +127,10 @@ void lb_populate_module_pass_manager(LLVMTargetMachineRef target_machine, LLVMPa
LLVMAddPruneEHPass(mpm);
LLVMAddFunctionInliningPass(mpm);
if (build_context.optimization_level > 2) {
if (optimization_level > 2) {
LLVMAddArgumentPromotionPass(mpm);
}
lb_add_function_simplifcation_passes(mpm);
lb_add_function_simplifcation_passes(mpm, optimization_level);
LLVMAddGlobalOptimizerPass(mpm);
@@ -133,7 +141,7 @@ void lb_populate_module_pass_manager(LLVMTargetMachineRef target_machine, LLVMPa
LLVMAddLoopVectorizePass(mpm);
LLVMAddInstructionCombiningPass(mpm);
if (build_context.optimization_level >= 2) {
if (optimization_level >= 2) {
LLVMAddEarlyCSEPass(mpm);
LLVMAddCorrelatedValuePropagationPass(mpm);
LLVMAddLICMPass(mpm);
@@ -151,7 +159,7 @@ void lb_populate_module_pass_manager(LLVMTargetMachineRef target_machine, LLVMPa
LLVMAddStripDeadPrototypesPass(mpm);
if (build_context.optimization_level >= 2) {
if (optimization_level >= 2) {
LLVMAddGlobalDCEPass(mpm);
LLVMAddConstantMergePass(mpm);
}
@@ -163,7 +171,7 @@ void lb_populate_module_pass_manager(LLVMTargetMachineRef target_machine, LLVMPa
LLVMAddAlwaysInlinerPass(mpm);
LLVMAddStripDeadPrototypesPass(mpm);
LLVMAddAnalysisPasses(target_machine, mpm);
if (build_context.optimization_level >= 2) {
if (optimization_level >= 2) {
LLVMAddArgumentPromotionPass(mpm);
LLVMAddConstantMergePass(mpm);
LLVMAddGlobalDCEPass(mpm);