diff options
Diffstat (limited to 'test/Transforms/InstCombine/2008-07-16-fsub.ll')
| -rw-r--r-- | test/Transforms/InstCombine/2008-07-16-fsub.ll | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2008-07-16-fsub.ll b/test/Transforms/InstCombine/2008-07-16-fsub.ll new file mode 100644 index 0000000..672b4e9 --- /dev/null +++ b/test/Transforms/InstCombine/2008-07-16-fsub.ll @@ -0,0 +1,8 @@ +; RUN: opt < %s -instcombine -S | grep sub +; PR2553 + +define double @test(double %X) nounwind { + ; fsub of self can't be optimized away. + %Y = fsub double %X, %X + ret double %Y +} |