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comparison compiler-rt/test/msan/select_float_origin.cpp @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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147:c2174574ed3a 150:1d019706d866
1 // Regression test for origin propagation in "select i1, float, float".
2 // https://code.google.com/p/memory-sanitizer/issues/detail?id=78
3
4 // RUN: %clangxx_msan -O2 -fsanitize-memory-track-origins %s -o %t && not %run %t >%t.out 2>&1
5 // RUN: FileCheck %s < %t.out
6
7 // RUN: %clangxx_msan -O2 -fsanitize-memory-track-origins=2 %s -o %t && not %run %t >%t.out 2>&1
8 // RUN: FileCheck %s < %t.out
9
10 #include <stdio.h>
11 #include <sanitizer/msan_interface.h>
12
13 int main() {
14 volatile bool b = true;
15 float x, y;
16 __msan_allocated_memory(&x, sizeof(x));
17 __msan_allocated_memory(&y, sizeof(y));
18 float z = b ? x : y;
19 if (z > 0) printf(".\n");
20 // CHECK: Memory was marked as uninitialized
21 // CHECK: {{#0 0x.* in .*__msan_allocated_memory}}
22 // CHECK: {{#1 0x.* in main .*select_float_origin.cpp:}}[[@LINE-6]]
23 return 0;
24 }