diff options
author | Wael Yehia <44115484+w2yehia@users.noreply.github.com> | 2024-02-16 12:55:20 -0500 |
---|---|---|
committer | llvmbot <llvmbot@llvm.org> | 2024-02-18 04:13:07 +0000 |
commit | b27f0b4fae68fea5c2468bc080e31bcecfb7faa7 (patch) | |
tree | 1017512789ec59e8823d02ee4682e50862ab90fe /compiler-rt | |
parent | 82e17c153611fbb8c5bb9b990f0f143910a4c2e0 (diff) | |
download | llvm-b27f0b4fae68fea5c2468bc080e31bcecfb7faa7.zip llvm-b27f0b4fae68fea5c2468bc080e31bcecfb7faa7.tar.gz llvm-b27f0b4fae68fea5c2468bc080e31bcecfb7faa7.tar.bz2 |
[AIX] Add a dummy variable in the __llvm_orderfile section (#81968)
to satisfy the __start___llvm_orderfile reference when linking with
-bexpfull and -fprofile-generate on AIX.
(cherry picked from commit 15cccc55919d27eb2e89379a65f6c7809f679fda)
Diffstat (limited to 'compiler-rt')
-rw-r--r-- | compiler-rt/lib/profile/InstrProfilingPlatformAIX.c | 4 | ||||
-rw-r--r-- | compiler-rt/test/profile/AIX/bexpfull-pgo.c | 7 |
2 files changed, 10 insertions, 1 deletions
diff --git a/compiler-rt/lib/profile/InstrProfilingPlatformAIX.c b/compiler-rt/lib/profile/InstrProfilingPlatformAIX.c index 9f46a98..002bec1 100644 --- a/compiler-rt/lib/profile/InstrProfilingPlatformAIX.c +++ b/compiler-rt/lib/profile/InstrProfilingPlatformAIX.c @@ -195,6 +195,8 @@ static const int dummy_name[0] COMPILER_RT_SECTION( COMPILER_RT_SEG INSTR_PROF_NAME_SECT_NAME); static int dummy_vnds[0] COMPILER_RT_SECTION( COMPILER_RT_SEG INSTR_PROF_VNODES_SECT_NAME); +static int dummy_orderfile[0] COMPILER_RT_SECTION( + COMPILER_RT_SEG INSTR_PROF_ORDERFILE_SECT_NAME); // To avoid GC'ing of the dummy variables by the linker, reference them in an // array and reference the array in the runtime registration code @@ -206,7 +208,7 @@ static int dummy_vnds[0] COMPILER_RT_SECTION( COMPILER_RT_VISIBILITY void *__llvm_profile_keep[] = {(void *)&dummy_cnts, (void *)&dummy_bits, (void *)&dummy_data, (void *)&dummy_name, - (void *)&dummy_vnds}; + (void *)&dummy_vnds, (void *)&dummy_orderfile}; #ifdef __GNUC__ #pragma GCC diagnostic pop #endif diff --git a/compiler-rt/test/profile/AIX/bexpfull-pgo.c b/compiler-rt/test/profile/AIX/bexpfull-pgo.c new file mode 100644 index 0000000..f48242e --- /dev/null +++ b/compiler-rt/test/profile/AIX/bexpfull-pgo.c @@ -0,0 +1,7 @@ +// RUN: %clang_pgogen %s -bexpall +// RUN: %clang_pgogen %s -bexpfull + +#include <string.h> +int ar[10]; +int n; +int main() { memcpy(ar, ar + 1, n); }; |