diff options
Diffstat (limited to 'lib/profile/InstrProfData.inc')
| -rw-r--r-- | lib/profile/InstrProfData.inc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/profile/InstrProfData.inc b/lib/profile/InstrProfData.inc index 9fc4f546b..33c7d94ae 100644 --- a/lib/profile/InstrProfData.inc +++ b/lib/profile/InstrProfData.inc @@ -700,6 +700,14 @@ serializeValueProfDataFromRT(const ValueProfRuntimeRecord *Record, #define INSTR_PROF_INDEX_VERSION 3 #define INSTR_PROF_COVMAP_VERSION 0 +/* Profile version is always of type uint_64_t. Reserve the upper 8 bits in the + * version for other variants of profile. We set the lowest bit of the upper 8 + * bits (i.e. bit 56) to 1 to indicate if this is an IR-level instrumentaiton + * generated profile, and 0 if this is a Clang FE generated profile. +*/ +#define VARIANT_MASKS_ALL 0xff00000000000000ULL +#define GET_VERSION(V) ((V) & ~VARIANT_MASKS_ALL) + /* Runtime section names and name strings. */ #define INSTR_PROF_DATA_SECT_NAME __llvm_prf_data #define INSTR_PROF_NAME_SECT_NAME __llvm_prf_names |