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Add optional LLVM_USE_BASIC_PASSES build flag. If evaluates to a truthy value, it will be do only basic passes for -llvm-api

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This commit is contained in:
gingerBill
2021-03-29 14:55:37 +01:00
parent 371094b067
commit 8c20ac1bf0
1 changed files with 6 additions and 2 deletions
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src/llvm_backend_opt.cpp
+6 -2
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@@ -1,8 +1,12 @@
#ifndef LLVM_USE_BASIC_PASSES
#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) {
if (!ignore_memcpy_pass) { if (!ignore_memcpy_pass) {
LLVMAddMemCpyOptPass(fpm); LLVMAddMemCpyOptPass(fpm);
} }
if (build_context.optimization_level == 0) { if (LLVM_USE_BASIC_PASSES || build_context.optimization_level == 0) {
LLVMAddPromoteMemoryToRegisterPass(fpm); LLVMAddPromoteMemoryToRegisterPass(fpm);
LLVMAddMergedLoadStoreMotionPass(fpm); LLVMAddMergedLoadStoreMotionPass(fpm);
LLVMAddEarlyCSEPass(fpm); LLVMAddEarlyCSEPass(fpm);
@@ -95,7 +99,7 @@ void lb_populate_module_pass_manager(LLVMTargetMachineRef target_machine, LLVMPa
LLVMAddStripDeadPrototypesPass(mpm); LLVMAddStripDeadPrototypesPass(mpm);
LLVMAddAnalysisPasses(target_machine, mpm); LLVMAddAnalysisPasses(target_machine, mpm);
LLVMAddPruneEHPass(mpm); LLVMAddPruneEHPass(mpm);
if (build_context.optimization_level == 0) { if (LLVM_USE_BASIC_PASSES || build_context.optimization_level == 0) {
// LLVMAddMergeFunctionsPass(mpm); // LLVMAddMergeFunctionsPass(mpm);
return; return;
} }