view gcc/testsuite/gcc.dg/tree-ssa/forwprop-5.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-optimized -w" } */
/* { dg-options "-O1 -fdump-tree-optimized -w -msse" { target { i?86-*-* x86_64-*-* } } } */

#define vector __attribute__((vector_size(16) ))
struct VecClass
{
  vector float v;
};

vector float foo( vector float v )
{
    vector float x = v;
    x = x + x;
    struct VecClass disappear = *(struct VecClass*)&x;
    return disappear.v;
}

/* { dg-final { scan-tree-dump-times "disappear" 0 "optimized"} } */