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authorJakub Jelinek <jakub@redhat.com>2008-09-30 19:00:49 +0200
committerJakub Jelinek <jakub@gcc.gnu.org>2008-09-30 19:00:49 +0200
commit61b70fcb8c1015ea3ab5c95aef41b23100579ec0 (patch)
tree8778240bb51385dce2d7f5357fca1e70aa8b6e29 /gcc
parent00625faea4cda0dfc67ab80eb96ece62fecc7423 (diff)
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re PR tree-optimization/37662 (ice: tree check: expected ssa_name, have integer_cst in get_value_range, at tree-vrp.c:612)
PR tree-optimization/37662 PR tree-optimization/37663 * tree-vrp.c (simplify_truth_ops_using_ranges): Don't call get_value_range with non-SSA_NAME. Don't assert operands have been folded, instead just bail out. * gcc.c-torture/compile/pr37662.c: New test. * gcc.dg/pr37663.c: New test. From-SVN: r140792
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog8
-rw-r--r--gcc/testsuite/ChangeLog7
-rw-r--r--gcc/testsuite/gcc.c-torture/compile/pr37662.c15
-rw-r--r--gcc/testsuite/gcc.dg/pr37663.c15
-rw-r--r--gcc/tree-vrp.c18
5 files changed, 58 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 412bded..ba26097 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2008-09-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/37662
+ PR tree-optimization/37663
+ * tree-vrp.c (simplify_truth_ops_using_ranges): Don't call
+ get_value_range with non-SSA_NAME. Don't assert operands have been
+ folded, instead just bail out.
+
2008-09-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/rs6000/rs6000.md (fnmadds combiner): Revert typo.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 02eb3b3..fe699e3 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2008-09-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/37662
+ PR tree-optimization/37663
+ * gcc.c-torture/compile/pr37662.c: New test.
+ * gcc.dg/pr37663.c: New test.
+
2008-09-30 Janus Weil <janus@gcc.gnu.org>
PR fortran/36592
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr37662.c b/gcc/testsuite/gcc.c-torture/compile/pr37662.c
new file mode 100644
index 0000000..f697743
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr37662.c
@@ -0,0 +1,15 @@
+/* PR tree-optimization/37662 */
+
+extern int baz (void);
+
+static int
+foo (void)
+{
+ return 1;
+}
+
+int
+bar (void)
+{
+ return foo () >= 1 ^ (baz () || 0) || 0;
+}
diff --git a/gcc/testsuite/gcc.dg/pr37663.c b/gcc/testsuite/gcc.dg/pr37663.c
new file mode 100644
index 0000000..05488eb
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr37663.c
@@ -0,0 +1,15 @@
+/* PR tree-optimization/37663 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fwrapv" } */
+
+extern void bar (void);
+
+void
+foo (int x)
+{
+ x = 1 >= x;
+ int y = -1885403717;
+ x = x + (x != y * y);
+ if (x)
+ bar ();
+}
diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c
index fbcda55..4f1c328 100644
--- a/gcc/tree-vrp.c
+++ b/gcc/tree-vrp.c
@@ -6304,9 +6304,12 @@ simplify_truth_ops_using_ranges (gimple_stmt_iterator *gsi, gimple stmt)
bool need_conversion;
op0 = gimple_assign_rhs1 (stmt);
- vr = get_value_range (op0);
if (TYPE_PRECISION (TREE_TYPE (op0)) != 1)
{
+ if (TREE_CODE (op0) != SSA_NAME)
+ return false;
+ vr = get_value_range (op0);
+
val = compare_range_with_value (GE_EXPR, vr, integer_zero_node, &sop);
if (!val || !integer_onep (val))
return false;
@@ -6329,10 +6332,15 @@ simplify_truth_ops_using_ranges (gimple_stmt_iterator *gsi, gimple stmt)
if (is_gimple_min_invariant (op1))
{
/* Exclude anything that should have been already folded. */
- gcc_assert (rhs_code == EQ_EXPR || rhs_code == NE_EXPR
- || rhs_code == TRUTH_XOR_EXPR);
- gcc_assert (integer_zerop (op1) || integer_onep (op1)
- || integer_all_onesp (op1));
+ if (rhs_code != EQ_EXPR
+ && rhs_code != NE_EXPR
+ && rhs_code != TRUTH_XOR_EXPR)
+ return false;
+
+ if (!integer_zerop (op1)
+ && !integer_onep (op1)
+ && !integer_all_onesp (op1))
+ return false;
/* Limit the number of cases we have to consider. */
if (rhs_code == EQ_EXPR)