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| author | Xinliang David Li <davidxl@google.com> | 2016-02-18 21:11:37 +0000 |
|---|---|---|
| committer | Xinliang David Li <davidxl@google.com> | 2016-02-18 21:11:37 +0000 |
| commit | 0fc35d0a42057ab416737b38a9f836d6c99aac4c (patch) | |
| tree | 060fac2a9452e819ddcd8e5614d23c0355d7d249 | |
| parent | cb4525443c45f09e3e7f990cf0418630e4ba80be (diff) | |
| download | bcm5719-llvm-0fc35d0a42057ab416737b38a9f836d6c99aac4c.tar.gz bcm5719-llvm-0fc35d0a42057ab416737b38a9f836d6c99aac4c.zip | |
Add test coverage for default linker
llvm-svn: 261261
| -rw-r--r-- | compiler-rt/test/profile/Linux/coverage_test.cpp | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/compiler-rt/test/profile/Linux/coverage_test.cpp b/compiler-rt/test/profile/Linux/coverage_test.cpp index 1443279419c..09bc82586ae 100644 --- a/compiler-rt/test/profile/Linux/coverage_test.cpp +++ b/compiler-rt/test/profile/Linux/coverage_test.cpp @@ -2,7 +2,16 @@ // RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t // RUN: llvm-profdata merge -o %t.profdata %t.profraw // RUN: llvm-cov show %t -instr-profile %t.profdata -filename-equivalence 2>&1 | FileCheck %s -// +// 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: +// RUN: %clang_profgen -O2 -fprofile-instr-generate -fcoverage-mapping -o %t.2 %s +// RUN: env LLVM_PROFILE_FILE=%t.2.profraw %run %t.2 +// RUN: llvm-profdata merge -o %t.2.profdata %t.2.profraw +// RUN: llvm-cov show %t.2 -instr-profile %t.2.profdata -filename-equivalence 2>&1 | FileCheck %s +// Check covmap is not garbage collected when GC is turned on with BFD linker. Due to the bug mentioned above, we can only +// do the check with objdump: +// RUN: %clang_profgen -O2 -fprofile-instr-generate -fcoverage-mapping -Wl,--gc-sections -o %t.3 %s +// RUN: llvm-objdump -h %t.3 | FileCheck --check-prefix COVMAP %s +// Check PIE option // RUN: %clang_profgen -fuse-ld=gold -O2 -fdata-sections -ffunction-sections -fPIE -pie -fprofile-instr-generate -fcoverage-mapping -Wl,--gc-sections -o %t.pie %s // RUN: env LLVM_PROFILE_FILE=%t.pie.profraw %run %t.pie // RUN: llvm-profdata merge -o %t.pie.profdata %t.pie.profraw @@ -22,7 +31,5 @@ int main() { // CHECK: 1| [[@LINE]]|int main( return 0; // CHECK: 1| [[@LINE]]| return } // CHECK: 1| [[@LINE]]|} - - - +// COVMAP: __llvm_covmap {{.*}} |
