forked from OSchip/llvm-project
39 lines
3.5 KiB
C
39 lines
3.5 KiB
C
// Check the data structures emitted by instrumentation.
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// RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-linkage.c %s -o - -emit-llvm -fprofile-instr-generate | FileCheck %s
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// CHECK: @__llvm_profile_name_foo = hidden constant [3 x i8] c"foo", section "__DATA,__llvm_prf_names", align 1
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// CHECK: @__llvm_profile_name_foo_weak = weak hidden constant [8 x i8] c"foo_weak", section "__DATA,__llvm_prf_names", align 1
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// CHECK: @__llvm_profile_name_main = hidden constant [4 x i8] c"main", section "__DATA,__llvm_prf_names", align 1
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// 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
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// CHECK: @__llvm_profile_counters_foo = hidden global [1 x i64] zeroinitializer, section "__DATA,__llvm_prf_cnts", align 8
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// 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
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void foo(void) { }
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// CHECK: @__llvm_profile_counters_foo_weak = weak hidden global [5 x i64] zeroinitializer, section "__DATA,__llvm_prf_cnts", align 8
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// 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
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void foo_weak(void) __attribute__((weak));
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void foo_weak(void) { if (0){} if (0){} if (0){} if (0){} }
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// CHECK: @__llvm_profile_counters_main = hidden global [1 x i64] zeroinitializer, section "__DATA,__llvm_prf_cnts", align 8
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// 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
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static void foo_internal(void);
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int main(void) {
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foo();
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foo_internal();
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foo_weak();
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return 0;
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}
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// CHECK: @"__llvm_profile_counters_c-linkage.c:foo_internal" = internal global [3 x i64] zeroinitializer, section "__DATA,__llvm_prf_cnts", align 8
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// 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
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static void foo_internal(void) { if (0){} if (0){} }
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// CHECK: @__llvm_profile_runtime = external global i32
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// 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"
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// CHECK: define linkonce_odr i32 @__llvm_profile_runtime_user() {{.*}} {
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// CHECK: %[[REG:.*]] = load i32* @__llvm_profile_runtime
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// CHECK: ret i32 %[[REG]]
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// CHECK: }
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