Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-19.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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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" } } */