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Add more llvm optimization passes (#445)

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Add more llvm optimization passes to improve AOT/JIT performance
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Wenyong Huang 2020-11-23 10:48:22 +08:00 committed by GitHub
parent 892af84161
commit f4770ae8c8
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2 changed files with 16 additions and 0 deletions
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14
core/iwasm/compilation/aot_llvm.c
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@ -1401,6 +1401,20 @@ aot_create_comp_context(AOTCompData *comp_data,
LLVMAddCFGSimplificationPass(comp_ctx->pass_mgr); LLVMAddCFGSimplificationPass(comp_ctx->pass_mgr);
LLVMAddJumpThreadingPass(comp_ctx->pass_mgr); LLVMAddJumpThreadingPass(comp_ctx->pass_mgr);
LLVMAddConstantPropagationPass(comp_ctx->pass_mgr); LLVMAddConstantPropagationPass(comp_ctx->pass_mgr);
LLVMAddIndVarSimplifyPass(comp_ctx->pass_mgr);
if (!option->is_jit_mode) {
LLVMAddLoopRotatePass(comp_ctx->pass_mgr);
LLVMAddLoopUnswitchPass(comp_ctx->pass_mgr);
LLVMAddInstructionCombiningPass(comp_ctx->pass_mgr);
LLVMAddCFGSimplificationPass(comp_ctx->pass_mgr);
LLVMAddGVNPass(comp_ctx->pass_mgr);
LLVMAddLICMPass(comp_ctx->pass_mgr);
LLVMAddLoopVectorizePass(comp_ctx->pass_mgr);
LLVMAddSLPVectorizePass(comp_ctx->pass_mgr);
LLVMAddInstructionCombiningPass(comp_ctx->pass_mgr);
LLVMAddCFGSimplificationPass(comp_ctx->pass_mgr);
}
/* Create metadata for llvm float experimental constrained intrinsics */ /* Create metadata for llvm float experimental constrained intrinsics */
if (!(comp_ctx->fp_rounding_mode = if (!(comp_ctx->fp_rounding_mode =

2
core/iwasm/compilation/aot_llvm.h
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@ -13,7 +13,9 @@
#include "llvm-c/Object.h" #include "llvm-c/Object.h"
#include "llvm-c/ExecutionEngine.h" #include "llvm-c/ExecutionEngine.h"
#include "llvm-c/Analysis.h" #include "llvm-c/Analysis.h"
#include "llvm-c/Transforms/Utils.h"
#include "llvm-c/Transforms/Scalar.h" #include "llvm-c/Transforms/Scalar.h"
#include "llvm-c/Transforms/Vectorize.h"
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {