52 lines
1.4 KiB
Diff
52 lines
1.4 KiB
Diff
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This backport contains 1 patch from gcc main stream tree.
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The commit id of these patchs list as following in the order of time.
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0001-IPA-compare-VRP-types.patch
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a86623902767122c71c7229150a8b8a79cbb3673
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diff -Nurp a/gcc/ipa-prop.c b/gcc/ipa-prop.c
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--- a/gcc/ipa-prop.c 2020-11-28 00:19:34.340000000 +0800
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+++ b/gcc/ipa-prop.c 2020-11-28 00:21:24.680000000 +0800
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@@ -122,7 +122,8 @@ struct ipa_vr_ggc_hash_traits : public g
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static bool
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equal (const value_range_base *a, const value_range_base *b)
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{
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- return a->equal_p (*b);
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+ return (a->equal_p (*b)
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+ && types_compatible_p (a->type (), b->type ()));
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}
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static void
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mark_empty (value_range_base *&p)
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diff -Nurp a/gcc/testsuite/gcc.c-torture/execute/pr97404.c b/gcc/testsuite/gcc.c-torture/execute/pr97404.c
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--- a/gcc/testsuite/gcc.c-torture/execute/pr97404.c 1970-01-01 08:00:00.000000000 +0800
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+++ b/gcc/testsuite/gcc.c-torture/execute/pr97404.c 2020-11-28 00:21:24.680000000 +0800
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@@ -0,0 +1,28 @@
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+/* PR ipa/97404 */
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+/* { dg-additional-options "-fno-inline" } */
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+
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+char a, b;
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+long c;
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+short d, e;
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+long *f = &c;
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+int g;
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+char h(signed char i) { return 0; }
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+static short j(short i, int k) { return i < 0 ? 0 : i >> k; }
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+void l(void);
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+void m(void)
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+{
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+ e = j(d | 9766, 11);
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+ *f = e;
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+}
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+void l(void)
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+{
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+ a = 5 | g;
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+ b = h(a);
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+}
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+int main()
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+{
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+ m();
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+ if (c != 4)
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+ __builtin_abort();
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+ return 0;
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+}
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