| Duncan P. N. Exon Smith | 2fe531c | 2014-03-17 21:18:30 +0000 | [diff] [blame] | 1 | // Check the data structures emitted by instrumentation. |
| 2 | // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-linkage.c %s -o - -emit-llvm -fprofile-instr-generate | FileCheck %s |
| 3 | |
| Duncan P. N. Exon Smith | 9121220 | 2014-05-16 01:24:00 +0000 | [diff] [blame] | 4 | // CHECK: @__llvm_profile_name_foo = hidden constant [3 x i8] c"foo", section "__DATA,__llvm_prf_names", align 1 |
| Justin Bogner | 970ac60 | 2014-12-08 19:04:51 +0000 | [diff] [blame^] | 5 | // CHECK: @__llvm_profile_name_foo_weak = weak hidden constant [8 x i8] c"foo_weak", section "__DATA,__llvm_prf_names", align 1 |
| 6 | // CHECK: @__llvm_profile_name_main = hidden constant [4 x i8] c"main", section "__DATA,__llvm_prf_names", align 1 |
| 7 | // CHECK: @"__llvm_profile_name_c-linkage.c:foo_internal" = internal constant [24 x i8] c"c-linkage.c:foo_internal", section "__DATA,__llvm_prf_names", align 1 |
| 8 | |
| 9 | // CHECK: @__llvm_profile_counters_foo = hidden global [1 x i64] zeroinitializer, section "__DATA,__llvm_prf_cnts", align 8 |
| Duncan P. N. Exon Smith | 9121220 | 2014-05-16 01:24:00 +0000 | [diff] [blame] | 10 | // CHECK: @__llvm_profile_data_foo = hidden constant { i32, i32, i64, i8*, i64* } { i32 3, i32 1, i64 {{[0-9]+}}, i8* getelementptr inbounds ([3 x i8]* @__llvm_profile_name_foo, i32 0, i32 0), i64* getelementptr inbounds ([1 x i64]* @__llvm_profile_counters_foo, i32 0, i32 0) }, section "__DATA,__llvm_prf_data", align 8 |
| Duncan P. N. Exon Smith | 2fe531c | 2014-03-17 21:18:30 +0000 | [diff] [blame] | 11 | void foo(void) { } |
| 12 | |
| Duncan P. N. Exon Smith | 9121220 | 2014-05-16 01:24:00 +0000 | [diff] [blame] | 13 | // CHECK: @__llvm_profile_counters_foo_weak = weak hidden global [5 x i64] zeroinitializer, section "__DATA,__llvm_prf_cnts", align 8 |
| Duncan P. N. Exon Smith | 9121220 | 2014-05-16 01:24:00 +0000 | [diff] [blame] | 14 | // CHECK: @__llvm_profile_data_foo_weak = weak hidden constant { i32, i32, i64, i8*, i64* } { i32 8, i32 5, i64 {{[0-9]+}}, i8* getelementptr inbounds ([8 x i8]* @__llvm_profile_name_foo_weak, i32 0, i32 0), i64* getelementptr inbounds ([5 x i64]* @__llvm_profile_counters_foo_weak, i32 0, i32 0) }, section "__DATA,__llvm_prf_data", align 8 |
| Duncan P. N. Exon Smith | 2fe531c | 2014-03-17 21:18:30 +0000 | [diff] [blame] | 15 | void foo_weak(void) __attribute__((weak)); |
| 16 | void foo_weak(void) { if (0){} if (0){} if (0){} if (0){} } |
| 17 | |
| Duncan P. N. Exon Smith | 9121220 | 2014-05-16 01:24:00 +0000 | [diff] [blame] | 18 | // CHECK: @__llvm_profile_counters_main = hidden global [1 x i64] zeroinitializer, section "__DATA,__llvm_prf_cnts", align 8 |
| Duncan P. N. Exon Smith | 9121220 | 2014-05-16 01:24:00 +0000 | [diff] [blame] | 19 | // CHECK: @__llvm_profile_data_main = hidden constant { i32, i32, i64, i8*, i64* } { i32 4, i32 1, i64 {{[0-9]+}}, i8* getelementptr inbounds ([4 x i8]* @__llvm_profile_name_main, i32 0, i32 0), i64* getelementptr inbounds ([1 x i64]* @__llvm_profile_counters_main, i32 0, i32 0) }, section "__DATA,__llvm_prf_data", align 8 |
| Duncan P. N. Exon Smith | 2fe531c | 2014-03-17 21:18:30 +0000 | [diff] [blame] | 20 | static void foo_internal(void); |
| 21 | int main(void) { |
| 22 | foo(); |
| 23 | foo_internal(); |
| 24 | foo_weak(); |
| 25 | return 0; |
| 26 | } |
| 27 | |
| Justin Bogner | 111c653 | 2014-12-02 23:15:30 +0000 | [diff] [blame] | 28 | // CHECK: @"__llvm_profile_counters_c-linkage.c:foo_internal" = internal global [3 x i64] zeroinitializer, section "__DATA,__llvm_prf_cnts", align 8 |
| Justin Bogner | 111c653 | 2014-12-02 23:15:30 +0000 | [diff] [blame] | 29 | // CHECK: @"__llvm_profile_data_c-linkage.c:foo_internal" = internal constant { i32, i32, i64, i8*, i64* } { i32 24, i32 3, i64 {{[0-9]+}}, i8* getelementptr inbounds ([24 x i8]* @"__llvm_profile_name_c-linkage.c:foo_internal", i32 0, i32 0), i64* getelementptr inbounds ([3 x i64]* @"__llvm_profile_counters_c-linkage.c:foo_internal", i32 0, i32 0) }, section "__DATA,__llvm_prf_data", align 8 |
| Duncan P. N. Exon Smith | 2fe531c | 2014-03-17 21:18:30 +0000 | [diff] [blame] | 30 | static void foo_internal(void) { if (0){} if (0){} } |
| 31 | |
| Justin Bogner | 970ac60 | 2014-12-08 19:04:51 +0000 | [diff] [blame^] | 32 | // CHECK: @__llvm_profile_runtime = external global i32 |
| 33 | // CHECK: @llvm.used = appending global [5 x i8*] [i8* bitcast ({ i32, i32, i64, i8*, i64* }* @__llvm_profile_data_foo to i8*), i8* bitcast ({ i32, i32, i64, i8*, i64* }* @__llvm_profile_data_foo_weak to i8*), i8* bitcast ({ i32, i32, i64, i8*, i64* }* @__llvm_profile_data_main to i8*), i8* bitcast ({ i32, i32, i64, i8*, i64* }* @"__llvm_profile_data_c-linkage.c:foo_internal" to i8*), i8* bitcast (i32 ()* @__llvm_profile_runtime_user to i8*)], section "llvm.metadata" |
| Duncan P. N. Exon Smith | d971cd1 | 2014-03-28 17:53:22 +0000 | [diff] [blame] | 34 | |
| 35 | // CHECK: define linkonce_odr i32 @__llvm_profile_runtime_user() {{.*}} { |
| 36 | // CHECK: %[[REG:.*]] = load i32* @__llvm_profile_runtime |
| 37 | // CHECK: ret i32 %[[REG]] |
| 38 | // CHECK: } |