[rustc.git] / src / compiler-rt / test / msan / vector_cvt.cc

// RUN: %clangxx_msan -O0 %s -o %t && %run %t
// RUN: %clangxx_msan -DPOSITIVE -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
// REQUIRES: x86_64-target-arch

#include <emmintrin.h>

int to_int(double v) {
  __m128d t = _mm_set_sd(v);
  int x = _mm_cvtsd_si32(t);
  return x;
  // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
  // CHECK: #{{.*}} in to_int{{.*}}vector_cvt.cc:[[@LINE-3]]
}

int main() {
#ifdef POSITIVE
  double v;
#else
  double v = 1.1;
#endif
  double* volatile p = &v;
  int x = to_int(*p);
  return !x;
}
Commit	Line	Data
92a42be0 SL	1	// RUN: %clangxx_msan -O0 %s -o %t && %run %t
92a42be0 SL	2	// RUN: %clangxx_msan -DPOSITIVE -O0 %s -o %t && not %run %t 2>&1 \| FileCheck %s
5bcae85e	3	// REQUIRES: x86_64-target-arch
1a4d82fc JJ	4
	5	#include <emmintrin.h>
	6
	7	int to_int(double v) {
	8	__m128d t = _mm_set_sd(v);
	9	int x = _mm_cvtsd_si32(t);
	10	return x;
	11	// CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
92a42be0	12	// CHECK: #{{.}} in to_int{{.}}vector_cvt.cc:[[@LINE-3]]
1a4d82fc JJ	13	}
	14
	15	int main() {
	16	#ifdef POSITIVE
	17	double v;
	18	#else
	19	double v = 1.1;
	20	#endif
	21	double* volatile p = &v;
	22	int x = to_int(*p);
	23	return !x;
	24	}