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 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]]|} 24 void bar() { // CHECK: 1| [[@LINE]]|void bar() { 25 } // CHECK: 1| [[@LINE]]|} 26 void func() { // CHECK: 0| [[@LINE]]|void func( 27 } // CHECK: 0| [[@LINE]]|} 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