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| author | Nate Begeman <natebegeman@mac.com> | 2005-04-09 09:30:09 +0000 |
|---|---|---|
| committer | Nate Begeman <natebegeman@mac.com> | 2005-04-09 09:30:09 +0000 |
| commit | 9a98a774463a019a212c40df74e548227e1c1b2d (patch) | |
| tree | 8bc3fa831c9bd5e21b40e58fafac2a66069d54ae | |
| parent | e9c0f43a1b46eb2024dbd983bb24d0f098526595 (diff) | |
Add a testcase to make sure that we don't emit two fneg instructions back
to back for certain fsel instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21176 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | test/CodeGen/PowerPC/fnegsel.ll | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/fnegsel.ll b/test/CodeGen/PowerPC/fnegsel.ll new file mode 100644 index 0000000000..9a27e81054 --- /dev/null +++ b/test/CodeGen/PowerPC/fnegsel.ll @@ -0,0 +1,8 @@ +; RUN: llvm-as < %s | llc -march=ppc32 -enable-ppc-pattern-isel | not grep fneg + +double %test_fneg_sel(double %A, double %B, double %C) { + %D = sub double -0.0, %A + %Cond = setgt double %D, -0.0 + %E = select bool %Cond, double %B, double %C + ret double %E +} |