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| author | Mon P Wang <wangmp@apple.com> | 2010-04-29 05:53:29 +0000 |
|---|---|---|
| committer | Mon P Wang <wangmp@apple.com> | 2010-04-29 05:53:29 +0000 |
| commit | fc39dc4c7886723310419b1869cf651ca55b7af4 (patch) | |
| tree | f0789cc89d713529bb2b45f40ae1cd549fae6566 /test/CodeGen/const-unordered-compare.c | |
| parent | 77e2c67411084c47b1cf511a191b31adf38662ba (diff) | |
| download | clang-fc39dc4c7886723310419b1869cf651ca55b7af4.tar.gz | |
A not equal for an unordered relation should return true as specified in IEEE-754, e.g.,
NAN != NAN ? 1 : 0 should return 1. Also fix the case for complex.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102598 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/const-unordered-compare.c')
| -rw-r--r-- | test/CodeGen/const-unordered-compare.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/test/CodeGen/const-unordered-compare.c b/test/CodeGen/const-unordered-compare.c new file mode 100644 index 0000000000..ac7d35bcd5 --- /dev/null +++ b/test/CodeGen/const-unordered-compare.c @@ -0,0 +1,7 @@ +// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s + +// Checks folding of an unordered comparison +int nan_ne_check() { + // CHECK: store i32 1 + return (__builtin_nanf("") != __builtin_nanf("")) ? 1 : 0; +} |