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[Coverage] add test cases for coverage testing 

1. One test covering coverage-mapping interfaction with linker GC
2. one test covering coverage-mapping with shared libaries

llvm-svn: 257782
This commit is contained in:
Xinliang David Li 2016-01-14 18:15:54 +00:00
parent 5f04f926e9
commit 944cd4d318
3 changed files with 49 additions and 5 deletions
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10
compiler-rt/test/profile/Inputs/instrprof-dynamic-a.cpp
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@ -1,7 +1,7 @@
#include "instrprof-dynamic-header.h"
void a() {
if (true) {
bar<void>(1);
bar<char>(1);
}
void a() { // COV: 1| [[@LINE]]|void a
if (true) { // COV: 1| [[@LINE]]| if
bar<void>(1); // COV: 1| [[@LINE]]| bar
bar<char>(1); // COV: 1| [[@LINE]]| bar
} // COV: 1| [[@LINE]]| }
}

16
compiler-rt/test/profile/Linux/coverage_shared.test Normal file
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@ -0,0 +1,16 @@
RUN: mkdir -p %t.d
RUN: %clang_profgen -fdata-sections -ffunction-sections -fcoverage-mapping -c -o %t.d/a.shared.o -fPIC %S/../Inputs/instrprof-dynamic-a.cpp
RUN: %clang_profgen -fdata-sections -ffunction-sections -fuse-ld=gold -Wl,--gc-sections -fcoverage-mapping -o %t.d/a.shared -fPIC -shared %S/../Inputs/instrprof-dynamic-a.cpp
RUN: %clang_profgen -fdata-sections -ffunction-sections -fuse-ld=gold -Wl,--gc-sections -o %t-shared -fPIC -rpath %t.d %t.d/a.shared %S/../Inputs/instrprof-dynamic-b.cpp %S/../Inputs/instrprof-dynamic-main.cpp
RUN: %clang_profgen -fdata-sections -ffunction-sections -fuse-ld=gold -Wl,--gc-sections -o %t-static %t.d/a.shared.o %S/../Inputs/instrprof-dynamic-b.cpp %S/../Inputs/instrprof-dynamic-main.cpp
RUN: env LLVM_PROFILE_FILE=%t-static.profraw %run %t-static
RUN: env LLVM_PROFILE_FILE=%t-shared.profraw %run %t-shared
RUN: llvm-profdata merge -o %t-static.profdata %t-static.profraw
RUN: llvm-profdata merge -o %t-shared.profdata %t-shared.profraw
RUN: llvm-cov show -instr-profile %t-shared.profdata %t.d/a.shared | FileCheck --check-prefix=COV %S/../Inputs/instrprof-dynamic-a.cpp
RUN: llvm-cov show -instr-profile %t-static.profdata %t-static | FileCheck --check-prefix=COV %S/../Inputs/instrprof-dynamic-a.cpp

28
compiler-rt/test/profile/Linux/coverage_test.cpp Normal file
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// RUN: %clang_profgen -fuse-ld=gold -O2 -fdata-sections -ffunction-sections -fprofile-instr-generate -fcoverage-mapping -Wl,--gc-sections -o %t %s
// 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
//
// 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
// RUN: llvm-cov show %t.pie -instr-profile %t.pie.profdata -filename-equivalence 2>&1 | FileCheck %s
void foo(bool cond) { // CHECK: 1| [[@LINE]]|void foo(
if (cond) { // CHECK: 1| [[@LINE]]| if (cond) {
} // CHECK: 0| [[@LINE]]| }
} // CHECK: 1| [[@LINE]]|}
void bar() { // CHECK: 1| [[@LINE]]|void bar() {
} // CHECK: 1| [[@LINE]]|}
void func() { // CHECK: 0| [[@LINE]]|void func(
} // CHECK: 0| [[@LINE]]|}
int main() { // CHECK: 1| [[@LINE]]|int main(
foo(false); // CHECK: 1| [[@LINE]]| foo(
bar(); // CHECK: 1| [[@LINE]]| bar(
return 0; // CHECK: 1| [[@LINE]]| return
} // CHECK: 1| [[@LINE]]|}