Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/restrict-9.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 84e7813d76e9 |
children |
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/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-optimized-alias" } */ int *abc(int** __restrict a, int** __restrict b) { *a = 0; // clique 1 base 1 asm volatile("":"+m"(*b)); // clique 0 base 0 (wrong) *a = 0; // clique 1 base 1 return *b; // clique 1 base 2 (what it should be) } /* { dg-final { scan-tree-dump-times "clique 1 base \[12\]" 5 "optimized" } } */ /* On RTL we can DSE one of the stores of zero, on the GIMPLE level we do not bother to do disambiguation against asms. */ /* { dg-final { scan-tree-dump-times " = 0;" 1 "optimized" { xfail *-*-* } } } */ /* { dg-final { scan-assembler-times "mov\[^\n\r\]*0" 1 { target { x86_64-*-* i?86-*-* } } } } */