| Tom Stellard | 1b5cf62 | 2016-07-14 15:50:27 +0000 | [diff] [blame^] | 1 | ; RUN: opt < %s -disable-basicaa -globals-aa -dse -S | FileCheck %s |
| 2 | |
| 3 | @X = internal global i32 4 |
| 4 | |
| 5 | define void @test0() { |
| 6 | ; CHECK-LABEL: @test0 |
| 7 | ; CHECK: store i32 0, i32* @X |
| 8 | ; CHECK-NEXT: call void @func_readonly() #0 |
| 9 | ; CHECK-NEXT: store i32 1, i32* @X |
| 10 | store i32 0, i32* @X |
| 11 | call void @func_readonly() #0 |
| 12 | store i32 1, i32* @X |
| 13 | ret void |
| 14 | } |
| 15 | |
| 16 | define void @test1() { |
| 17 | ; CHECK-LABEL: @test1 |
| 18 | ; CHECK-NOT: store |
| 19 | ; CHECK: call void @func_read_argmem_only() #1 |
| 20 | ; CHECK-NEXT: store i32 3, i32* @X |
| 21 | store i32 2, i32* @X |
| 22 | call void @func_read_argmem_only() #1 |
| 23 | store i32 3, i32* @X |
| 24 | ret void |
| 25 | } |
| 26 | |
| 27 | declare void @func_readonly() #0 |
| 28 | declare void @func_read_argmem_only() #1 |
| 29 | |
| 30 | attributes #0 = { readonly } |
| 31 | attributes #1 = { readonly argmemonly } |