Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-19.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 "-O2 -fdump-tree-pre-stats" } */ struct Loc { int x[3]; }; void bar (struct Loc *); int foo (int i, int j, int k, int b) { struct Loc IND; int res; if (b) { IND.x[0] = i; IND.x[1] = j; IND.x[2] = k-1; } else { IND.x[0] = i; IND.x[1] = j; IND.x[2] = k; } /* This should be optimized to i + j + {k, k + 1}. */ res = IND.x[0] + IND.x[1] + IND.x[2]; /* This is just to prevent SRA. */ bar (&IND); return res; } /* All three loads should be eliminated. */ /* { dg-final { scan-tree-dump "Eliminated: 3" "pre" } } */