Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/tree-ssa/pr19807.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-O -fdump-tree-optimized" } */ int a[4]; int *x, *y, *z; void foo(void) { x = &a[3] - 1; y = &a[1] + 1; z = 1 + &a[1]; } /* { dg-final { scan-tree-dump-times "&MEM <int> \\\[\\\(void .\\\)&a \\\+ 8B\\\]" 3 "optimized" } } */ void bar(int i) { x = &a[i] - 1; y = &a[i] + 1; z = 1 + &a[i]; } /* We can't get &a[i +- 1] in the final code and it is not clear we want this. Instead we get to see &a[i] and pointer offsetting by 4 and -4U. */