Dan Gohman | 0a06310 | 2009-09-08 23:54:48 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -march=x86 | grep and | count 1 |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 2 | |
| 3 | ; The dag combiner should fold together (x&127)|(y&16711680) -> (x|y)&c1 |
| 4 | ; in this case. |
Tanya Lattner | 632e88a | 2008-02-21 07:42:26 +0000 | [diff] [blame] | 5 | |
| 6 | define i32 @test6(i32 %x, i16 %y) { |
| 7 | %tmp1 = zext i16 %y to i32 ; <i32> [#uses=1] |
| 8 | %tmp2 = and i32 %tmp1, 127 ; <i32> [#uses=1] |
| 9 | %tmp4 = shl i32 %x, 16 ; <i32> [#uses=1] |
| 10 | %tmp5 = and i32 %tmp4, 16711680 ; <i32> [#uses=1] |
| 11 | %tmp6 = or i32 %tmp2, %tmp5 ; <i32> [#uses=1] |
| 12 | ret i32 %tmp6 |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 13 | } |
| 14 | |