| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 1 | ; Linear scan does not currently coalesce any two variables that have |
| 2 | ; overlapping live intervals. When two overlapping intervals have the same | ||||
| 3 | ; value, they can be joined though. | ||||
| 4 | ; | ||||
| 5 | ; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 -regalloc=linearscan | \ | ||||
| 6 | ; RUN: not grep {mov %\[A-Z\]\\\{2,3\\\}, %\[A-Z\]\\\{2,3\\\}} | ||||
| 7 | |||||
| 8 | long %test(long %x) { | ||||
| 9 | entry: | ||||
| 10 | %tmp.1 = mul long %x, 4294967297 ; <long> [#uses=1] | ||||
| 11 | ret long %tmp.1 | ||||
| 12 | } | ||||