llvm-capstone/compiler-rt/test/msan/insertvalue_origin.cc
Adhemerval Zanella c52448872b [compiler-rt] [msan] Remove stable-runtime requirement for insertvalue_origin.cc
This patch removes the requirement on stable-runtime on insertvalue_origin.cc
testcase, added due a instrumentation failure on aarch64-linux. This is fixed
on llvm code by r257375.

llvm-svn: 257479
2016-01-12 15:16:34 +00:00

36 lines
906 B
C++

// RUN: %clangxx_msan -fsanitize-memory-track-origins -O0 %s -o %t && not %run %t >%t.out 2>&1
// RUN: FileCheck %s < %t.out && FileCheck %s < %t.out
// RUN: %clangxx_msan -fsanitize-memory-track-origins -O3 %s -o %t && not %run %t >%t.out 2>&1
// RUN: FileCheck %s < %t.out && FileCheck %s < %t.out
// Test origin propagation through insertvalue IR instruction.
#include <stdio.h>
#include <stdint.h>
struct mypair {
int64_t x;
int y;
};
mypair my_make_pair(int64_t x, int y) {
mypair p;
p.x = x;
p.y = y;
return p;
}
int main() {
int64_t * volatile p = new int64_t;
mypair z = my_make_pair(*p, 0);
if (z.x)
printf("zzz\n");
// CHECK: MemorySanitizer: use-of-uninitialized-value
// CHECK: {{in main .*insertvalue_origin.cc:}}[[@LINE-3]]
// CHECK: Uninitialized value was created by a heap allocation
// CHECK: {{in main .*insertvalue_origin.cc:}}[[@LINE-8]]
delete p;
return 0;
}