Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/tree-ssa/restrict-9.c @ 131:84e7813d76e9
gcc-8.2
| author | mir3636 |
|---|---|
| date | Thu, 25 Oct 2018 07:37:49 +0900 |
| parents | |
| children |
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| 111:04ced10e8804 | 131:84e7813d76e9 |
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| 1 /* { dg-do compile } */ | |
| 2 /* { dg-options "-O2 -fdump-tree-optimized-alias" } */ | |
| 3 | |
| 4 int *abc(int** __restrict a, int** __restrict b) | |
| 5 { | |
| 6 *a = 0; // clique 1 base 1 | |
| 7 asm volatile("":"+m"(*b)); // clique 0 base 0 (wrong) | |
| 8 *a = 0; // clique 1 base 1 | |
| 9 return *b; // clique 1 base 2 (what it should be) | |
| 10 } | |
| 11 | |
| 12 /* { dg-final { scan-tree-dump-times "clique 1 base \[12\]" 5 "optimized" } } */ | |
| 13 /* On RTL we can DSE one of the stores of zero, on the GIMPLE level we | |
| 14 do not bother to do disambiguation against asms. */ | |
| 15 /* { dg-final { scan-tree-dump-times " = 0;" 1 "optimized" { xfail *-*-* } } } */ | |
| 16 /* { dg-final { scan-assembler-times "mov\[^\n\r\]*0" 1 { target { x86_64-*-* i?86-*-* } } } } */ |