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[COMMITTED] PR tree-optimization/102648 - Add the testcase for this PR to the testsuite.

Message ID 003b078a-77c9-e8db-438d-2c48f178579b@redhat.com
State New
Headers show
Series [COMMITTED] PR tree-optimization/102648 - Add the testcase for this PR to the testsuite. | expand

Commit Message

Andrew MacLeod Nov. 25, 2021, 2:03 p.m. UTC 
Various ranger enabled passes, such as threading, or VRP2 resolve this 
now.  I'm adding the test case before closing.

committed as obvious.

Andrew
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Patch

commit 1598bd47b2a4a5f12b5a987d16d82634644db4b6
Author: Andrew MacLeod <amacleod@redhat.com>
Date:   Thu Nov 25 08:58:19 2021 -0500

    Add the testcase for this PR to the testsuite.
    
    Various ranger-enabled patches like threading and VRP2 can do this now, so add the testcase for posterity.
    
            gcc/testsuite/
            PR tree-optimization/102648
            * gcc.dg/pr102648.c: New.

diff --git a/gcc/testsuite/gcc.dg/pr102648.c b/gcc/testsuite/gcc.dg/pr102648.c
new file mode 100644
index 00000000000..a0f6386dde3
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr102648.c
@@ -0,0 +1,21 @@ 
+/* { dg-do compile } */
+/* { dg-options "-O3 -fdump-tree-optimized" } */
+
+void foo();
+static char a, c;
+static int d, e;
+static short b(short f, short g) { return f * g; }
+int main() {
+  short h = 4;
+  for (; d;)
+    if (h)
+      if(e) {
+        if (!b(a & 1 | h, 3))
+          c = 0;
+        h = 1;
+      }
+  if (c)
+    foo();
+}
+
+/* { dg-final { scan-tree-dump-not "foo" "optimized" } } */