| 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 | |
| 4 | // CHECK: @__llvm_pgo_counters_foo = global [1 x i64] zeroinitializer, section "__DATA,__llvm_pgo_cnts", align 8 |
| 5 | // CHECK: @__llvm_pgo_name_foo = constant [3 x i8] c"foo", section "__DATA,__llvm_pgo_names", align 1 |
| 6 | // CHECK: @__llvm_pgo_data_foo = constant { i32, i32, i8*, i64* } { i32 3, i32 1, i8* getelementptr inbounds ([3 x i8]* @__llvm_pgo_name_foo, i32 0, i32 0), i64* getelementptr inbounds ([1 x i64]* @__llvm_pgo_counters_foo, i32 0, i32 0) }, section "__DATA,__llvm_pgo_data", align 8 |
| 7 | void foo(void) { } |
| 8 | |
| 9 | // CHECK: @__llvm_pgo_counters_foo_weak = weak global [5 x i64] zeroinitializer, section "__DATA,__llvm_pgo_cnts", align 8 |
| 10 | // CHECK: @__llvm_pgo_name_foo_weak = weak constant [8 x i8] c"foo_weak", section "__DATA,__llvm_pgo_names", align 1 |
| 11 | // CHECK: @__llvm_pgo_data_foo_weak = weak constant { i32, i32, i8*, i64* } { i32 8, i32 5, i8* getelementptr inbounds ([8 x i8]* @__llvm_pgo_name_foo_weak, i32 0, i32 0), i64* getelementptr inbounds ([5 x i64]* @__llvm_pgo_counters_foo_weak, i32 0, i32 0) }, section "__DATA,__llvm_pgo_data", align 8 |
| 12 | void foo_weak(void) __attribute__((weak)); |
| 13 | void foo_weak(void) { if (0){} if (0){} if (0){} if (0){} } |
| 14 | |
| 15 | // CHECK: @__llvm_pgo_counters_main = global [1 x i64] zeroinitializer, section "__DATA,__llvm_pgo_cnts", align 8 |
| 16 | // CHECK: @__llvm_pgo_name_main = constant [4 x i8] c"main", section "__DATA,__llvm_pgo_names", align 1 |
| 17 | // CHECK: @__llvm_pgo_data_main = constant { i32, i32, i8*, i64* } { i32 4, i32 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 |
| 18 | static void foo_internal(void); |
| 19 | int main(void) { |
| 20 | foo(); |
| 21 | foo_internal(); |
| 22 | foo_weak(); |
| 23 | return 0; |
| 24 | } |
| 25 | |
| 26 | // CHECK: @__llvm_pgo_counters_foo_internal = internal global [3 x i64] zeroinitializer, section "__DATA,__llvm_pgo_cnts", align 8 |
| 27 | // CHECK: @__llvm_pgo_name_foo_internal = internal constant [24 x i8] c"c-linkage.c:foo_internal", section "__DATA,__llvm_pgo_names", align 1 |
| 28 | // CHECK: @__llvm_pgo_data_foo_internal = internal constant { i32, i32, i8*, i64* } { i32 24, i32 3, i8* getelementptr inbounds ([24 x i8]* @__llvm_pgo_name_foo_internal, i32 0, i32 0), i64* getelementptr inbounds ([3 x i64]* @__llvm_pgo_counters_foo_internal, i32 0, i32 0) }, section "__DATA,__llvm_pgo_data", align 8 |
| 29 | static void foo_internal(void) { if (0){} if (0){} } |
| 30 | |
| 31 | // CHECK: @llvm.used = appending global [4 x i8*] [i8* bitcast ({ i32, i32, i8*, i64* }* @__llvm_pgo_data_foo to i8*), i8* bitcast ({ i32, i32, i8*, i64* }* @__llvm_pgo_data_foo_weak to i8*), i8* bitcast ({ i32, i32, i8*, i64* }* @__llvm_pgo_data_main to i8*), i8* bitcast ({ i32, i32, i8*, i64* }* @__llvm_pgo_data_foo_internal to i8*)], section "llvm.metadata" |