diff options
Diffstat (limited to 'contrib/llvm-project/compiler-rt/lib/profile/InstrProfiling.c')
| -rw-r--r-- | contrib/llvm-project/compiler-rt/lib/profile/InstrProfiling.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/profile/InstrProfiling.c b/contrib/llvm-project/compiler-rt/lib/profile/InstrProfiling.c index fdb7b7cd806c..0dd5ff5ae633 100644 --- a/contrib/llvm-project/compiler-rt/lib/profile/InstrProfiling.c +++ b/contrib/llvm-project/compiler-rt/lib/profile/InstrProfiling.c @@ -20,6 +20,14 @@ #define INSTR_PROF_VALUE_PROF_DATA #include "profile/InstrProfData.inc" +static uint32_t __llvm_profile_global_timestamp = 1; + +COMPILER_RT_VISIBILITY +void INSTR_PROF_PROFILE_SET_TIMESTAMP(uint64_t *Probe) { + if (*Probe == 0 || *Probe == (uint64_t)-1) + *Probe = __llvm_profile_global_timestamp++; +} + COMPILER_RT_VISIBILITY uint64_t __llvm_profile_get_magic(void) { return sizeof(void *) == sizeof(uint64_t) ? (INSTR_PROF_RAW_MAGIC_64) : (INSTR_PROF_RAW_MAGIC_32); @@ -42,6 +50,9 @@ COMPILER_RT_VISIBILITY uint64_t __llvm_profile_get_version(void) { } COMPILER_RT_VISIBILITY void __llvm_profile_reset_counters(void) { + if (__llvm_profile_get_version() & VARIANT_MASK_TEMPORAL_PROF) + __llvm_profile_global_timestamp = 1; + char *I = __llvm_profile_begin_counters(); char *E = __llvm_profile_end_counters(); |