Viewing file:  20040204-1.c (1.01 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-optimized" } */
extern void link_error (void);
/*
test that a condition is propagated inside an if
*/
void test5 (int x)
{
extern int foo (int);
if (x == 0)
foo (x);
else if (x == 0 )
link_error ();
}
void test55 (int x, int y)
{
int u;
if (x == 5 && y)
{
u = x + 22;
if (u != 27)
link_error ();
}
}
/* There should be not link_error calls, if there is any the
optimization has failed */
/* ??? Ug. This one may or may not fail based on how fold decides
that the && should be emitted (based on BRANCH_COST). Fix this
by teaching dom to look through && and register all components
as true. */
/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" { xfail { ! "alpha*-*-* arm*-*-* aarch64*-*-* powerpc*-*-* cris-*-* hppa*-*-* i?86-*-* mmix-*-* mips*-*-* m68k*-*-* moxie-*-* nds32*-*-* s390*-*-* sh*-*-* sparc*-*-* visium-*-* x86_64-*-* riscv*-*-* or1k*-*-* msp430-*-* pru*-*-* nvptx*-*-*" } } } } */
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