| Tanya Lattner | ba93e2d | 2008-03-19 04:14:49 +0000 | [diff] [blame^] | 1 | ; RUN: llvm-as < %s | opt -sccp | llvm-dis | grep {ret i32 0} |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 2 | |
| 3 | ; Test that SCCP has basic knowledge of when and/or nuke overdefined values. |
| 4 | |
| Tanya Lattner | ba93e2d | 2008-03-19 04:14:49 +0000 | [diff] [blame^] | 5 | define i32 @test(i32 %X) { |
| 6 | %Y = and i32 %X, 0 ; <i32> [#uses=1] |
| 7 | ret i32 %Y |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 8 | } |
| Tanya Lattner | ba93e2d | 2008-03-19 04:14:49 +0000 | [diff] [blame^] | 9 | |