| Jingyue Wu | d058ea9 | 2015-07-21 21:50:39 +0000 | [diff] [blame] | 1 | ; RUN: opt -S -memdep -gvn -basicaa < %s | FileCheck %s |
| 2 | ; RUN: opt -S -memdep -memdep-block-scan-limit=1 -gvn -basicaa < %s | FileCheck %s --check-prefix=WITH-LIMIT | ||||
| 3 | ; CHECK-LABEL: @test( | ||||
| 4 | ; CHECK: load | ||||
| 5 | ; CHECK-NOT: load | ||||
| 6 | ; WITH-LIMIT-LABEL: @test( | ||||
| 7 | ; WITH-LIMIT-CHECK: load | ||||
| 8 | ; WITH-LIMIT-CHECK: load | ||||
| 9 | define i32 @test(i32* %p) { | ||||
| 10 | %1 = load i32, i32* %p | ||||
| 11 | %2 = add i32 %1, 3 | ||||
| 12 | %3 = load i32, i32* %p | ||||
| 13 | %4 = add i32 %2, %3 | ||||
| 14 | ret i32 %4 | ||||
| 15 | } | ||||