diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr47707.C')
-rw-r--r-- | gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr47707.C | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr47707.C b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr47707.C new file mode 100644 index 000000000..98852de17 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr47707.C @@ -0,0 +1,29 @@ +/* { dg-do run } */ +/* { dg-options "-O2 -fno-tree-vrp" } */ +#include <assert.h> + +struct CH +{ + unsigned char ch : 3; +} ch; + +__attribute__((noinline)) void MakeCheckOp (unsigned int *v1, unsigned int *v2) +{ + assert (*v1 == *v2); + +} + +int main (void) +{ + + int len; + + for (len = 4; len >= 1; len--) + { + unsigned v1, v2; + ch.ch = len; + v1 = ch.ch; + v2 = len; + MakeCheckOp (&v1, &v2); + } +} |