christoph/wamr
1
Fork 0
Code Releases Activity

Modify AOT static PGO to conform to llvm-18 and add a CI job to test static PGO on the coremark benchmark (#4345)

Browse Source 
* static PGO compatible with llvm18 and add CI job to test static PGO on coremark benchmark
* update comments and warning info, bitmaps section in llvm profdata shouldn't be used in PGO
This commit is contained in:
TianlongLiang
2025-06-12 16:57:11 +08:00
committed by GitHub
parent 2fe7105e8d
commit 0343aaf8c3
7 changed files with 38 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
core/iwasm/aot/aot_runtime.h
View File

@ -437,6 +437,9 @@ typedef struct AOTFrame {
} AOTFrame;
#if WASM_ENABLE_STATIC_PGO != 0
/* The bitmaps fields in LLVMProfileRawHeader, LLVMProfileData,
* LLVMProfileData_64 all dummy fields, it's used in MC/DC code coverage
* instead of PGO. See https://llvm.org/docs/InstrProfileFormat.html#bitmap */
typedef struct LLVMProfileRawHeader {
uint64 magic;
uint64 version;
@ -445,8 +448,11 @@ typedef struct LLVMProfileRawHeader {
uint64 padding_bytes_before_counters;
uint64 num_prof_counters;
uint64 padding_bytes_after_counters;
uint64 num_prof_bitmaps;
uint64 padding_bytes_after_bitmaps;
uint64 names_size;
uint64 counters_delta;
uint64 bitmap_delta;
uint64 names_delta;
uint64 value_kind_last;
} LLVMProfileRawHeader;
@ -464,10 +470,12 @@ typedef struct LLVMProfileData {
uint64 func_md5;
uint64 func_hash;
uint64 offset_counters;
uint64 offset_bitmaps;
uintptr_t func_ptr;
ValueProfNode **values;
uint32 num_counters;
uint16 num_value_sites[2];
uint32 num_bitmaps;
} LLVMProfileData;
/* The profiling data for writing to the output file, the width of
@ -477,10 +485,12 @@ typedef struct LLVMProfileData_64 {
uint64 func_md5;
uint64 func_hash;
uint64 offset_counters;
uint64 offset_bitmaps;
uint64 func_ptr;
uint64 values;
uint32 num_counters;
uint16 num_value_sites[2];
uint32 num_bitmaps;
} LLVMProfileData_64;
#endif /* end of WASM_ENABLE_STATIC_PGO != 0 */