48 lines
1.0 KiB
Diff
48 lines
1.0 KiB
Diff
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2019-04-15 Richard Biener <rguenther@suse.de>
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PR tree-optimization/90071
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* tree-ssa-reassoc.c (init_range_entry): Do not pick up
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abnormal operands from def stmts.
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* gcc.dg/torture/pr90071.c: New testcase.
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--- gcc/tree-ssa-reassoc.c (revision 270368)
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+++ gcc/tree-ssa-reassoc.c (revision 270369)
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@@ -2143,7 +2143,8 @@ init_range_entry (struct range_entry *r,
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exp_type = boolean_type_node;
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}
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- if (TREE_CODE (arg0) != SSA_NAME)
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+ if (TREE_CODE (arg0) != SSA_NAME
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+ || SSA_NAME_OCCURS_IN_ABNORMAL_PHI (arg0))
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break;
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loc = gimple_location (stmt);
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switch (code)
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--- gcc/testsuite/gcc.dg/torture/pr90071.c (nonexistent)
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+++ gcc/testsuite/gcc.dg/torture/pr90071.c (revision 270369)
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@@ -0,0 +1,24 @@
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+/* { dg-do compile } */
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+
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+int a;
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+static int b;
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+
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+void
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+foo ()
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+{
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+ int d;
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+ int e = (int) (__INTPTR_TYPE__) &&f;
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+ void *g = &&h;
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+h: ++e;
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+ if (a)
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+ i: goto *g;
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+ for (;;)
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+ {
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+ e = 0;
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+ if (b)
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+ goto i;
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+ }
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+f:
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+ goto *({ d || e < 0 || e >= 2; });
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+ &e;
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+}
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