| commit | 446bc10085482aba8cde79d22e10c1fe90ac54b9 | [log] [tgz] |
|---|---|---|
| author | Evan Cheng <evan.cheng@apple.com> | Thu Feb 04 02:45:02 2010 +0000 |
| committer | Evan Cheng <evan.cheng@apple.com> | Thu Feb 04 02:45:02 2010 +0000 |
| tree | 6a3c585b78e0eecd0e7db955f825b2beb160c532 | |
| parent | 32efba698df6aa35335eeb44d89288352d04746d [diff] |
It's too risky to eliminate sext / zext of call results for tail call optimization even if the caller / callee attributes completely match. The callee may have been bitcast'ed (or otherwise lied about what it's doing). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95282 91177308-0d34-0410-b5e6-96231b3b80d8