| Chandler Carruth | a583990 | 2007-08-06 20:57:16 +0000 | [diff] [blame^] | 1 | ; PR1600 |
| 2 | ; RUN: llvm-as < %s | opt -basicaa -load-vn -gcse -instcombine | llvm-dis | \ |
| 3 | ; RUN: grep {ret i32 0} |
| 4 | ; END. |
| 5 | |
| 6 | declare i16 @llvm.cttz.i16(i16) |
| 7 | |
| 8 | define i32 @test(i32* %P, i16* %Q) { |
| 9 | %A = load i16* %Q ; <i16> [#uses=1] |
| 10 | %x = load i32* %P ; <i32> [#uses=1] |
| 11 | %B = call i16 @llvm.cttz.i16( i16 %A ) ; <i16> [#uses=1] |
| 12 | %y = load i32* %P ; <i32> [#uses=1] |
| 13 | store i16 %B, i16* %Q |
| 14 | %z = sub i32 %x, %y ; <i32> [#uses=1] |
| 15 | ret i32 %z |
| 16 | } |
| 17 | |