| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 1 | ; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 | \ |
| Dan Gohman | 8c89a50 | 2007-08-15 13:36:28 +0000 | [diff] [blame] | 2 | ; RUN: grep shld | count 1 |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 3 | ; |
| 4 | ; Check that the isel does not fold the shld, which already folds a load |
| 5 | ; and has two uses, into a store. |
| 6 | %A = external global uint |
| 7 | |
| 8 | uint %test5(uint %B, ubyte %C) { |
| 9 | %tmp.1 = load uint *%A; |
| 10 | %tmp.2 = shl uint %tmp.1, ubyte %C |
| 11 | %tmp.3 = sub ubyte 32, %C |
| 12 | %tmp.4 = shr uint %B, ubyte %tmp.3 |
| 13 | %tmp.5 = or uint %tmp.4, %tmp.2 |
| 14 | store uint %tmp.5, uint* %A |
| 15 | ret uint %tmp.5 |
| 16 | } |