Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-13.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 | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-O -fstrict-aliasing -fno-tree-sra -fdump-tree-fre1-details" } */ /* Should be optimized, propagating &a into (*p)[i]. */ /* For this testcase we need TBAA to work. */ struct Foo { void *data; int size; }; void foo(double (*q)[4], struct Foo *tmp1) { double a[4]; int i; tmp1->data = &a; tmp1->size = 4; for (i=0; i<4; ++i) { double (*p)[4] = tmp1->data; (*p)[i] = (*q)[i]; } } /* { dg-final { scan-tree-dump "Replaced tmp1_.\\\(D\\\)->data with &a" "fre1" } } */