Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-43.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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/* PR tree-optimization/64193 */ /* { dg-do compile } */ /* { dg-options "-O -fdump-tree-fre1" } */ double T,T2,E1[5]; int J; void PA(double E[]) { J = 0; L10: E[1] = ( E[1] + E[2] + E[3] - E[4]) * T; E[2] = ( E[1] + E[2] - E[3] + E[4]) * T; E[3] = ( E[1] - E[2] + E[3] + E[4]) * T; E[4] = (-E[1] + E[2] + E[3] + E[4]) / T2; J += 1; if (J < 6) goto L10; } /* We should remove 15 dead loads and some related stmts, fully propagating their replacements with exactly 4 loads and 4 stores from/to E remaining. */ /* { dg-final { scan-tree-dump-times "MEM" 8 "fre1" } } */