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* [gcc r12-6529] Add testcase for PR 83541.
@ 2022-01-12 15:28 Andrew Macleod
0 siblings, 0 replies; only message in thread
From: Andrew Macleod @ 2022-01-12 15:28 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:75845d584f490c294d40908168e5721adc38145d
commit r12-6529-g75845d584f490c294d40908168e5721adc38145d
Author: Andrew MacLeod <amacleod@redhat.com>
Date: Tue Jan 11 14:58:35 2022 -0500
Add testcase for PR 83541.
Ranger now performs this optimzation.
PR tree-optimization/83541
gcc/testsuite
* g++.dg/pr83541.C: New.
Diff:
---
gcc/testsuite/g++.dg/pr83541.C | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/gcc/testsuite/g++.dg/pr83541.C b/gcc/testsuite/g++.dg/pr83541.C
new file mode 100644
index 00000000000..f5b181e064a
--- /dev/null
+++ b/gcc/testsuite/g++.dg/pr83541.C
@@ -0,0 +1,17 @@
+// PR tree-optimization/83541
+// { dg-do compile }
+// { dg-options "-O3 -std=c++17 -ffast-math -fdump-tree-evrp" }
+
+#include <limits>
+
+int test(int x)
+{
+ if(x == std::numeric_limits<int>::max())
+ {
+ return x+1;
+ }
+ return 42;
+}
+
+// { dg-final { scan-tree-dump "return 42" evrp } }
+// { dg-final { scan-tree-dump-not "return _" evrp } }
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