| Reid Spencer | 6c38f0b | 2006-11-27 01:05:10 +0000 | [diff] [blame] | 1 | ; Tests to make sure elimination of casts is working correctly |
| Tanya Lattner | 5640bd1 | 2008-03-01 09:15:35 +0000 | [diff] [blame^] | 2 | ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \ |
| Reid Spencer | 91948d4 | 2007-04-14 20:13:02 +0000 | [diff] [blame] | 3 | ; RUN: notcast {} {%c1.*} |
| Reid Spencer | 6c38f0b | 2006-11-27 01:05:10 +0000 | [diff] [blame] | 4 | |
| Tanya Lattner | 5640bd1 | 2008-03-01 09:15:35 +0000 | [diff] [blame^] | 5 | define i64 @test_sext_zext(i16 %A) { |
| 6 | %c1 = zext i16 %A to i32 ; <i32> [#uses=1] |
| 7 | %c2 = sext i32 %c1 to i64 ; <i64> [#uses=1] |
| 8 | ret i64 %c2 |
| Reid Spencer | 6c38f0b | 2006-11-27 01:05:10 +0000 | [diff] [blame] | 9 | } |
| Tanya Lattner | 5640bd1 | 2008-03-01 09:15:35 +0000 | [diff] [blame^] | 10 | |