From 75845d584f490c294d40908168e5721adc38145d Mon Sep 17 00:00:00 2001 From: Andrew MacLeod Date: Tue, 11 Jan 2022 14:58:35 -0500 Subject: [PATCH] Add testcase for PR 83541. Ranger now performs this optimzation. PR tree-optimization/83541 gcc/testsuite * g++.dg/pr83541.C: New. --- gcc/testsuite/g++.dg/pr83541.C | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 gcc/testsuite/g++.dg/pr83541.C diff --git a/gcc/testsuite/g++.dg/pr83541.C b/gcc/testsuite/g++.dg/pr83541.C new file mode 100644 index 0000000..f5b181e --- /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 + +int test(int x) +{ + if(x == std::numeric_limits::max()) + { + return x+1; + } + return 42; +} + +// { dg-final { scan-tree-dump "return 42" evrp } } +// { dg-final { scan-tree-dump-not "return _" evrp } } -- 2.7.4