1 // RUN: %clang_profgen -fuse-ld=gold -O2 -fdata-sections -ffunction-sections -fcoverage-mapping -Wl,--gc-sections -o %t %s
2 // RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t
3 // RUN: llvm-profdata merge -o %t.profdata %t.profraw
4 // RUN: llvm-cov show %t -instr-profile %t.profdata -filename-equivalence 2>&1 | FileCheck %s
5 // BFD linker older than 2.26 has a bug that per-func profile data will be wrongly garbage collected when GC is turned on. We only do end-to-end test here without GC:
6 // RUN: %clang_profgen -O2 -fcoverage-mapping -o %t.2 %s
7 // RUN: env LLVM_PROFILE_FILE=%t.2.profraw %run %t.2
8 // RUN: llvm-profdata merge -o %t.2.profdata %t.2.profraw
9 // RUN: llvm-cov show %t.2 -instr-profile %t.2.profdata -filename-equivalence 2>&1 | FileCheck %s
10 // Check covmap is not garbage collected when GC is turned on with BFD linker. Due to the bug mentioned above, we can only
11 // do the check with objdump:
12 // RUN: %clang_profgen -O2 -fcoverage-mapping -Wl,--gc-sections -o %t.3 %s
13 // RUN: llvm-objdump -h %t.3 | FileCheck --check-prefix COVMAP %s
14 // Check PIE option
15 // RUN: %clang_profgen -fuse-ld=gold -O2 -fdata-sections -ffunction-sections -fPIE -pie -fcoverage-mapping -Wl,--gc-sections -o %t.pie %s
16 // RUN: env LLVM_PROFILE_FILE=%t.pie.profraw %run %t.pie
17 // RUN: llvm-profdata merge -o %t.pie.profdata %t.pie.profraw
18 // RUN: llvm-cov show %t.pie -instr-profile %t.pie.profdata -filename-equivalence 2>&1 | FileCheck %s
19
foo(bool cond)20 void foo(bool cond) { // CHECK: 1| [[@LINE]]|void foo(
21 if (cond) { // CHECK: 1| [[@LINE]]| if (cond) {
22 } // CHECK: 0| [[@LINE]]| }
23 } // CHECK: 1| [[@LINE]]|}
bar()24 void bar() { // CHECK: 1| [[@LINE]]|void bar() {
25 } // CHECK: 1| [[@LINE]]|}
func()26 void func() { // CHECK: 0| [[@LINE]]|void func(
27 } // CHECK: 0| [[@LINE]]|}
main()28 int main() { // CHECK: 1| [[@LINE]]|int main(
29 foo(false); // CHECK: 1| [[@LINE]]| foo(
30 bar(); // CHECK: 1| [[@LINE]]| bar(
31 return 0; // CHECK: 1| [[@LINE]]| return
32 } // CHECK: 1| [[@LINE]]|}
33
34 // COVMAP: __llvm_covmap {{.*}}
35
36