mirrors/Odin
1
0
Fork 0
mirror of https://github.com/odin-lang/Odin.git synced 2026-06-01 16:31:13 +00:00
Code Issues Packages Projects Releases Wiki Activity

Remove LLVMPassManagerBuilder usage in lb_populate_module_pass_manager; simplify lb_populate_function_pass_manager

Browse Source
This commit is contained in:
gingerBill
2021-03-29 22:04:54 +01:00
parent 8fcc6ca464
commit e1588c9322
1 changed files with 32 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files

88
src/llvm_backend_opt.cpp
View File

@@ -1,41 +1,30 @@
#ifndef LLVM_USE_NO_EXTRA_PASSES
#define LLVM_USE_NO_EXTRA_PASSES 0
#endif
#ifndef LLVM_USE_BASIC_PASSES
#define LLVM_USE_BASIC_PASSES LLVM_USE_NO_EXTRA_PASSES
#endif
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 (LLVM_USE_BASIC_PASSES) {
optimization_level = 0;
}
if (!ignore_memcpy_pass) {
LLVMAddMemCpyOptPass(fpm);
}
LLVMAddPromoteMemoryToRegisterPass(fpm);
LLVMAddMergedLoadStoreMotionPass(fpm);
LLVMAddEarlyCSEPass(fpm);
// LLVMAddEarlyCSEMemSSAPass(fpm);
LLVMAddConstantPropagationPass(fpm);
LLVMAddMergedLoadStoreMotionPass(fpm);
LLVMAddPromoteMemoryToRegisterPass(fpm);
LLVMAddCFGSimplificationPass(fpm);
// LLVMAddSLPVectorizePass(fpm);
// LLVMAddLoopVectorizePass(fpm);
// LLVMAddScalarizerPass(fpm);
// LLVMAddLoopIdiomPass(fpm);
if (optimization_level == 0) {
LLVMAddPromoteMemoryToRegisterPass(fpm);
LLVMAddMergedLoadStoreMotionPass(fpm);
LLVMAddEarlyCSEPass(fpm);
// LLVMAddEarlyCSEMemSSAPass(fpm);
LLVMAddConstantPropagationPass(fpm);
LLVMAddMergedLoadStoreMotionPass(fpm);
LLVMAddPromoteMemoryToRegisterPass(fpm);
LLVMAddCFGSimplificationPass(fpm);
// LLVMAddSLPVectorizePass(fpm);
// LLVMAddLoopVectorizePass(fpm);
// LLVMAddScalarizerPass(fpm);
// LLVMAddLoopIdiomPass(fpm);
return;
}
#if 0
LLVMAddSCCPPass(fpm);
LLVMAddPromoteMemoryToRegisterPass(fpm);
@@ -45,6 +34,7 @@ void lb_populate_function_pass_manager(LLVMPassManagerRef fpm, bool ignore_memcp
// LLVMAddScalarReplAggregatesPass(fpm);
LLVMAddEarlyCSEPass(fpm);
LLVMAddLowerExpectIntrinsicPass(fpm);
#endif
}
void lb_add_function_simplifcation_passes(LLVMPassManagerRef mpm, i32 optimization_level) {
@@ -101,35 +91,31 @@ void lb_add_function_simplifcation_passes(LLVMPassManagerRef mpm, i32 optimizati
void lb_populate_module_pass_manager(LLVMTargetMachineRef target_machine, LLVMPassManagerRef mpm, i32 optimization_level) {
LLVMPassManagerBuilderRef pmb = LLVMPassManagerBuilderCreate();
// 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);
LLVMAddAnalysisPasses(target_machine, mpm);
LLVMPassManagerBuilderPopulateModulePassManager(pmb, mpm);
LLVMPassManagerBuilderPopulateLTOPassManager(pmb, mpm, false, true);
LLVMPassManagerBuilderSetOptLevel(pmb, optimization_level);
LLVMPassManagerBuilderSetSizeLevel(pmb, optimization_level);
if (LLVM_USE_BASIC_PASSES) {
optimization_level = 0;
}
if (LLVM_USE_NO_EXTRA_PASSES) {
return;
if (optimization_level >= 2) {
// NOTE(bill, 2021-03-29: use this causes invalid code generation)
// LLVMPassManagerBuilderRef pmb = LLVMPassManagerBuilderCreate();
// LLVMPassManagerBuilderPopulateModulePassManager(pmb, mpm);
// LLVMPassManagerBuilderPopulateLTOPassManager(pmb, mpm, false, true);
// LLVMPassManagerBuilderSetOptLevel(pmb, optimization_level);
// LLVMPassManagerBuilderSetSizeLevel(pmb, optimization_level);
}
LLVMAddAlwaysInlinerPass(mpm);
LLVMAddStripDeadPrototypesPass(mpm);
LLVMAddAnalysisPasses(target_machine, mpm);
LLVMAddPruneEHPass(mpm);
if (optimization_level == 0) {
// LLVMAddMergeFunctionsPass(mpm);
return;
}
LLVMAddGlobalDCEPass(mpm);
LLVMAddIPSCCPPass(mpm);
LLVMAddCalledValuePropagationPass(mpm);
@@ -141,13 +127,14 @@ void lb_populate_module_pass_manager(LLVMTargetMachineRef target_machine, LLVMPa
LLVMAddCFGSimplificationPass(mpm);
LLVMAddPruneEHPass(mpm);
LLVMAddFunctionInliningPass(mpm);
if (optimization_level < 2) {
return;
}
// if (optimization_level > 2) {
// LLVMAddArgumentPromotionPass(mpm);
// }
LLVMAddFunctionInliningPass(mpm);
lb_add_function_simplifcation_passes(mpm, optimization_level);
LLVMAddGlobalDCEPass(mpm);
LLVMAddGlobalOptimizerPass(mpm);
// LLVMAddLowerConstantIntrinsicsPass(mpm);
@@ -181,17 +168,6 @@ void lb_populate_module_pass_manager(LLVMTargetMachineRef target_machine, LLVMPa
}
LLVMAddCFGSimplificationPass(mpm);
#if 0
LLVMAddAlwaysInlinerPass(mpm);
LLVMAddStripDeadPrototypesPass(mpm);
LLVMAddAnalysisPasses(target_machine, mpm);
if (optimization_level >= 2) {
LLVMAddArgumentPromotionPass(mpm);
LLVMAddConstantMergePass(mpm);
LLVMAddGlobalDCEPass(mpm);
LLVMAddDeadArgEliminationPass(mpm);
}
#endif
#if 0
#endif
}