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| author | Andrew MacLeod <amacleod@redhat.com> | 2022-01-11 14:58:35 -0500 |
|---|---|---|
| committer | Andrew MacLeod <amacleod@redhat.com> | 2022-01-12 10:28:16 -0500 |
| commit | 75845d584f490c294d40908168e5721adc38145d (patch) | |
| tree | 1c3428cf9982513722053dffb9395bc01693970e | |
| parent | 77184b7446196eae1a70452939ccd3e99e0d2e3b (diff) | |
| download | gcc-75845d584f490c294d40908168e5721adc38145d.zip gcc-75845d584f490c294d40908168e5721adc38145d.tar.gz gcc-75845d584f490c294d40908168e5721adc38145d.tar.bz2 | |
Add testcase for PR 83541.
Ranger now performs this optimzation.
PR tree-optimization/83541
gcc/testsuite
* g++.dg/pr83541.C: New.
| -rw-r--r-- | gcc/testsuite/g++.dg/pr83541.C | 17 |
1 files changed, 17 insertions, 0 deletions
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 <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 } } |