38 lines
1.0 KiB
C
38 lines
1.0 KiB
C
/* { dg-do compile } */
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/* { dg-options "-O1 -fdump-tree-optimized" } */
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extern void link_error (void);
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/*
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test that a condition is propagated inside an if
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*/
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void test5 (int x)
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{
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extern int foo (int);
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if (x == 0)
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foo (x);
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else if (x == 0 )
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link_error ();
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}
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void test55 (int x, int y)
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{
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int u;
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if (x == 5 && y)
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{
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u = x + 22;
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if (u != 27)
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link_error ();
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}
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}
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/* There should be not link_error calls, if there is any the
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optimization has failed */
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/* ??? Ug. This one may or may not fail based on how fold decides
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that the && should be emitted (based on BRANCH_COST). Fix this
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by teaching dom to look through && and register all components
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as true. */
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/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" { xfail { ! "alpha*-*-* arm*-*-* aarch64*-*-* powerpc*-*-* cris-*-* crisv32-*-* hppa*-*-* i?86-*-* mmix-*-* mips*-*-* m68k*-*-* moxie-*-* nds32*-*-* sparc*-*-* spu-*-* visium-*-* x86_64-*-*" } } } } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */
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