Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/phi-opt-2.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
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/* { dg-do compile } */ /* { dg-options "-O1 -fdump-tree-optimized" } */ /* { dg-additional-options "-mbranch-cost=1" { target branch_cost } } */ _Bool f1(_Bool a, _Bool b) { if (a) { if (b) return 1; else return 0; } return 0; } /* There should be only one if, the outer one; the inner one should have been changed to straight line code with the value of b (except that we don't fold ! (b != 0) into b which can be fixed in a different patch). Test this only when known to be !LOGICAL_OP_NON_SHORT_CIRCUIT, otherwise ifcombine may convert this into return a & b;. */ /* { dg-final { scan-tree-dump-times "if" 1 "optimized" { target { i?86-*-* x86_64-*-* mips*-*-* s390*-*-* avr*-*-* } } } } */