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[asan] extend coverage-tracing.cc test 

llvm-svn: 225107
This commit is contained in:
Kostya Serebryany 2015-01-03 01:41:11 +00:00
parent 4edc66b8de
commit 86ced092f4
1 changed files with 35 additions and 11 deletions
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46
compiler-rt/test/asan/TestCases/Linux/coverage-tracing.cc
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@ -1,22 +1,46 @@
// Test -mllvm -sanitizer-coverage-experimental-tracing
//
// RUN: %clangxx_asan -O1 -fsanitize-coverage=2 -mllvm -sanitizer-coverage-experimental-tracing %s -o %t
// RUN: %clangxx_asan -O1 -fsanitize-coverage=1 -mllvm -sanitizer-coverage-experimental-tracing %s -o %t
// RUN: rm -rf %T/coverage-tracing
// RUN: mkdir -p %T/coverage-tracing
// RUN: ASAN_OPTIONS=coverage=1:coverage_dir=%T/coverage-tracing:verbosity=1 %run %t 1 2 3 4 2>&1 | FileCheck %s
// RUN: mkdir %T/coverage-tracing
// RUN: cd %T/coverage-tracing
// RUN: A=x; ASAN_OPTIONS=coverage=1:verbosity=1 %run %t $A 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK1; mv trace-points.*.sancov $A.points
// RUN: A=f; ASAN_OPTIONS=coverage=1:verbosity=1 %run %t $A 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK2; mv trace-points.*.sancov $A.points
// RUN: A=b; ASAN_OPTIONS=coverage=1:verbosity=1 %run %t $A 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK2; mv trace-points.*.sancov $A.points
// RUN: A=bf; ASAN_OPTIONS=coverage=1:verbosity=1 %run %t $A 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK3; mv trace-points.*.sancov $A.points
// RUN: A=fb; ASAN_OPTIONS=coverage=1:verbosity=1 %run %t $A 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK3; mv trace-points.*.sancov $A.points
// RUN: A=ffb; ASAN_OPTIONS=coverage=1:verbosity=1 %run %t $A 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK4; mv trace-points.*.sancov $A.points
// RUN: A=fff; ASAN_OPTIONS=coverage=1:verbosity=1 %run %t $A 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK4; mv trace-points.*.sancov $A.points
// RUN: A=bbf; ASAN_OPTIONS=coverage=1:verbosity=1 %run %t $A 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK4; mv trace-points.*.sancov $A.points
// RUN: diff f.points fff.points
// RUN: diff bf.points fb.points
// RUN: diff bf.points ffb.points
// RUN: diff bf.points bbf.points
// RUN: not diff x.points f.points
// RUN: not diff x.points b.points
// RUN: not diff x.points bf.points
// RUN: not diff f.points b.points
// RUN: not diff f.points bf.points
// RUN: not diff b.points bf.points
// RUN: rm -rf %T/coverage-tracing
//
// REQUIRES: asan-64-bits
#include <stdlib.h>
volatile int sink;
__attribute__((noinline)) void foo() { sink++; }
__attribute__((noinline)) void bar() { sink++; }
int main(int argc, char **argv) {
volatile int i = 0;
do {
sink = 0;
i++;
} while (i < argc);
return 0;
if (argc != 2) return 0;
for (int i = 0; argv[1][i]; i++) {
if (argv[1][i] == 'f') foo();
else if (argv[1][i] == 'b') bar();
}
}
// CHECK: CovDump: Trace: {{[3-9]}} PCs written
// CHECK: CovDump: Trace: {{[6-9]}} Events written
// CHECK: CovDump: Trace: 3 PCs written
// CHECK1: CovDump: Trace: 1 Events written
// CHECK2: CovDump: Trace: 2 Events written
// CHECK3: CovDump: Trace: 3 Events written
// CHECK4: CovDump: Trace: 4 Events written