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37 lines
1017 B
C
37 lines
1017 B
C
$NetBSD$
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--- gcc/testsuite/gcc.dg/tree-ssa/pr49039.c.orig Wed May 21 19:48:58 2014
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+++ gcc/testsuite/gcc.dg/tree-ssa/pr49039.c
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@@ -0,0 +1,31 @@
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+/* PR tree-optimization/49039 */
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+/* { dg-do compile } */
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+/* { dg-options "-O2 -fdump-tree-vrp1" } */
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+
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+extern void bar (void);
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+
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+void
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+foo (unsigned int x, unsigned int y)
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+{
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+ unsigned int minv, maxv;
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+ if (x >= 3 && x <= 6)
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+ return;
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+ if (y >= 5 && y <= 8)
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+ return;
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+ minv = x < y ? x : y;
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+ maxv = x > y ? x : y;
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+ if (minv == 5)
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+ bar ();
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+ if (minv == 6)
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+ bar ();
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+ if (maxv == 5)
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+ bar ();
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+ if (maxv == 6)
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+ bar ();
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+}
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+
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+/* { dg-final { scan-tree-dump "Folding predicate minv_\[0-9\]* == 5 to 0" "vrp1" } } */
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+/* { dg-final { scan-tree-dump "Folding predicate minv_\[0-9\]* == 6 to 0" "vrp1" } } */
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+/* { dg-final { scan-tree-dump "Folding predicate maxv_\[0-9\]* == 5 to 0" "vrp1" } } */
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+/* { dg-final { scan-tree-dump "Folding predicate maxv_\[0-9\]* == 6 to 0" "vrp1" } } */
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+/* { dg-final { cleanup-tree-dump "vrp1" } } */
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