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// 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;
}
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