97 lines
2.0 KiB
Diff
97 lines
2.0 KiB
Diff
2012-05-02 Jakub Jelinek <jakub@redhat.com>
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PR debug/53174
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* tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
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removed.
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* gcc.dg/pr53174.c: New test.
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--- gcc/tree-predcom.c.jj 2012-03-28 19:39:21.000000000 +0200
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+++ gcc/tree-predcom.c 2012-05-02 13:14:14.765575987 +0200
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@@ -1707,6 +1707,7 @@ remove_stmt (gimple stmt)
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{
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name = PHI_RESULT (stmt);
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next = single_nonlooparound_use (name);
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+ reset_debug_uses (stmt);
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psi = gsi_for_stmt (stmt);
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remove_phi_node (&psi, true);
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@@ -1728,6 +1729,7 @@ remove_stmt (gimple stmt)
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gcc_assert (TREE_CODE (name) == SSA_NAME);
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next = single_nonlooparound_use (name);
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+ reset_debug_uses (stmt);
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mark_virtual_ops_for_renaming (stmt);
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gsi_remove (&bsi, true);
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--- gcc/testsuite/gcc.dg/pr53174.c.jj 2012-05-02 13:36:29.466948569 +0200
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+++ gcc/testsuite/gcc.dg/pr53174.c 2012-05-02 13:35:59.000000000 +0200
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@@ -0,0 +1,67 @@
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+/* PR debug/53174 */
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+/* { dg-do compile } */
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+/* { dg-options "-Ofast -g" } */
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+
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+int w, h;
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+
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+void
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+bar (float (*x)[4], int y, int z)
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+{
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+ int a, b, c, d, e, f, g;
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+
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+ a = 2;
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+ b = 2;
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+ c = 274;
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+ d = 274;
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+ if (!z)
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+ a = 12;
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+ if (!y)
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+ b = 12;
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+ if (z + 266 >= h - 2)
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+ c = 8 + h - z;
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+ if (y + 266 >= w - 2)
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+ d = 8 + w - y;
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+ for (e = a; e < c; e++)
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+ for (f = b, g = e * 276 + f; f < d; f++, g++)
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+ {
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+ float (*h)[4] = x + (g - 277);
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+ float k = (*h)[0];
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+ float l = (*h)[1];
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+ float m = (*h)[2];
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+ h++;
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+ k += (*h)[0];
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+ l += (*h)[1];
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+ m += (*h)[2];
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+ h++;
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+ k += (*h)[0];
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+ l += (*h)[1];
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+ m += (*h)[2];
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+ h += 274;
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+ k += (*h)[0];
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+ l += (*h)[1];
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+ m += (*h)[2];
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+ h += 2;
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+ k += (*h)[0];
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+ l += (*h)[1];
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+ m += (*h)[2];
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+ h += 274;
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+ k += (*h)[0];
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+ l += (*h)[1];
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+ m += (*h)[2];
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+ h++;
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+ k += (*h)[0];
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+ l += (*h)[1];
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+ m += (*h)[2];
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+ h++;
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+ k += (*h)[0];
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+ l += (*h)[1];
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+ m += (*h)[2];
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+ k *= 0.125f;
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+ l *= 0.125f;
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+ m *= 0.125f;
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+ k = k + (x[g][1] - l);
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+ m = m + (x[g][1] - l);
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+ x[g][0] = k;
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+ x[g][2] = m;
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+ }
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+}
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