Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-7.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-O -fno-tree-sra -fdump-tree-fre1-details -fdump-tree-optimized" } */ #if (__SIZEOF_INT__ == __SIZEOF_FLOAT__) typedef int intflt; #elif (__SIZEOF_LONG__ == __SIZEOF_FLOAT__) typedef long intflt; #else #error Add target support here for type that will union float size #endif struct X { int i; union { intflt j; intflt k; float f; } u; }; intflt foo(intflt j) { struct X a; a.u.j = j; a.u.f = a.u.f; a.u.f = a.u.f; a.u.j = a.u.j; a.u.f = a.u.f; return a.u.k; } /* { dg-final { scan-tree-dump-times "Inserted" 1 "fre1" } } */ /* { dg-final { scan-tree-dump-times "Replaced a.u.f with" 3 "fre1" } } */ /* { dg-final { scan-tree-dump-times "Replaced a.u.k with j" 1 "fre1" } } */ /* { dg-final { scan-tree-dump "= VIEW_CONVERT_EXPR<float>\\\(j_" "fre1" } } */ /* { dg-final { scan-tree-dump "return j" "optimized" } } */