llvm-project/clang/test/Profile/cxx-linkage.cpp
Justin Bogner b4416f58d5 CodeGen: Include a function hash in instrumentation based profiling
The hash itself is still the number of counters, which isn't all that
useful, but this separates the API changes from the actual
implementation of the hash and will make it easier to transition to
the ProfileData library once it's implemented.

llvm-svn: 204186
2014-03-18 21:58:06 +00:00

31 lines
3.0 KiB
C++

// RUN: %clang_cc1 -triple x86_64-apple-macosx10.9.0 -emit-llvm -main-file-name cxx-linkage.cpp %s -o - -fprofile-instr-generate | FileCheck %s
// CHECK: @__llvm_pgo_counters__Z3foov = global [1 x i64] zeroinitializer, section "__DATA,__llvm_pgo_cnts", align 8
// CHECK: @__llvm_pgo_name__Z3foov = constant [7 x i8] c"_Z3foov", section "__DATA,__llvm_pgo_names", align 1
// CHECK: @__llvm_pgo_data__Z3foov = constant { i32, i32, i64, i8*, i64* } { i32 7, i32 1, i64 1, i8* getelementptr inbounds ([7 x i8]* @__llvm_pgo_name__Z3foov, i32 0, i32 0), i64* getelementptr inbounds ([1 x i64]* @__llvm_pgo_counters__Z3foov, i32 0, i32 0) }, section "__DATA,__llvm_pgo_data", align 8
void foo(void) { }
// CHECK: @__llvm_pgo_counters__Z8foo_weakv = weak global [5 x i64] zeroinitializer, section "__DATA,__llvm_pgo_cnts", align 8
// CHECK: @__llvm_pgo_name__Z8foo_weakv = weak constant [12 x i8] c"_Z8foo_weakv", section "__DATA,__llvm_pgo_names", align 1
// CHECK: @__llvm_pgo_data__Z8foo_weakv = weak constant { i32, i32, i64, i8*, i64* } { i32 12, i32 5, i64 5, i8* getelementptr inbounds ([12 x i8]* @__llvm_pgo_name__Z8foo_weakv, i32 0, i32 0), i64* getelementptr inbounds ([5 x i64]* @__llvm_pgo_counters__Z8foo_weakv, i32 0, i32 0) }, section "__DATA,__llvm_pgo_data", align 8
void foo_weak(void) __attribute__((weak));
void foo_weak(void) { if (0){} if (0){} if (0){} if (0){} }
// CHECK: @__llvm_pgo_counters_main = global [1 x i64] zeroinitializer, section "__DATA,__llvm_pgo_cnts", align 8
// CHECK: @__llvm_pgo_name_main = constant [4 x i8] c"main", section "__DATA,__llvm_pgo_names", align 1
// CHECK: @__llvm_pgo_data_main = constant { i32, i32, i64, i8*, i64* } { i32 4, i32 1, i64 1, i8* getelementptr inbounds ([4 x i8]* @__llvm_pgo_name_main, i32 0, i32 0), i64* getelementptr inbounds ([1 x i64]* @__llvm_pgo_counters_main, i32 0, i32 0) }, section "__DATA,__llvm_pgo_data", align 8
inline void foo_inline(void);
int main(void) {
foo();
foo_inline();
foo_weak();
return 0;
}
// CHECK: @__llvm_pgo_counters__Z10foo_inlinev = linkonce_odr global [7 x i64] zeroinitializer, section "__DATA,__llvm_pgo_cnts", align 8
// CHECK: @__llvm_pgo_name__Z10foo_inlinev = linkonce_odr constant [15 x i8] c"_Z10foo_inlinev", section "__DATA,__llvm_pgo_names", align 1
// CHECK: @__llvm_pgo_data__Z10foo_inlinev = linkonce_odr constant { i32, i32, i64, i8*, i64* } { i32 15, i32 7, i64 7, i8* getelementptr inbounds ([15 x i8]* @__llvm_pgo_name__Z10foo_inlinev, i32 0, i32 0), i64* getelementptr inbounds ([7 x i64]* @__llvm_pgo_counters__Z10foo_inlinev, i32 0, i32 0) }, section "__DATA,__llvm_pgo_data", align 8
inline void foo_inline(void) { if (0){} if (0){} if (0){} if (0){} if (0){} if (0){}}
// CHECK: @llvm.used = appending global [4 x i8*] [i8* bitcast ({ i32, i32, i64, i8*, i64* }* @__llvm_pgo_data__Z3foov to i8*), i8* bitcast ({ i32, i32, i64, i8*, i64* }* @__llvm_pgo_data__Z8foo_weakv to i8*), i8* bitcast ({ i32, i32, i64, i8*, i64* }* @__llvm_pgo_data_main to i8*), i8* bitcast ({ i32, i32, i64, i8*, i64* }* @__llvm_pgo_data__Z10foo_inlinev to i8*)], section "llvm.metadata"