| Dan Gohman | 1337627 | 2009-03-31 01:38:29 +0000 | [diff] [blame^] | 1 | ; RUN: llvm-as < %s | llc -march=x86-64 | grep testl |
| 2 | |||||
| 3 | ; Make sure dagcombine doesn't eliminate the comparison due | ||||
| 4 | ; to an off-by-one bug with ComputeMaskedBits information. | ||||
| 5 | |||||
| 6 | declare void @qux() | ||||
| 7 | |||||
| 8 | define void @foo(i32 %a) { | ||||
| 9 | %t0 = lshr i32 %a, 23 | ||||
| 10 | br label %next | ||||
| 11 | next: | ||||
| 12 | %t1 = and i32 %t0, 256 | ||||
| 13 | %t2 = icmp eq i32 %t1, 0 | ||||
| 14 | br i1 %t2, label %true, label %false | ||||
| 15 | true: | ||||
| 16 | call void @qux() | ||||
| 17 | ret void | ||||
| 18 | false: | ||||
| 19 | ret void | ||||
| 20 | } | ||||