| Sanjoy Das | 0407108 | 2016-01-29 00:28:57 +0000 | [diff] [blame^] | 1 | ; RUN: opt < %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s |
| Philip Reames | a5aeaf4 | 2015-02-28 00:20:48 +0000 | [diff] [blame] | 2 | |
| 3 | ; CHECK: derived %next base %base_obj |
| 4 | |
| Sanjoy Das | 0407108 | 2016-01-29 00:28:57 +0000 | [diff] [blame^] | 5 | declare i1 @runtime_value() "gc-leaf-function" |
| Philip Reames | a5aeaf4 | 2015-02-28 00:20:48 +0000 | [diff] [blame] | 6 | |
| 7 | define void @maybe_GEP(i64 addrspace(1)* %base_obj) gc "statepoint-example" { |
| 8 | entry: |
| 9 | br label %loop |
| 10 | |
| Sanjoy Das | 0407108 | 2016-01-29 00:28:57 +0000 | [diff] [blame^] | 11 | loop: ; preds = %loop, %entry |
| Philip Reames | a5aeaf4 | 2015-02-28 00:20:48 +0000 | [diff] [blame] | 12 | %current = phi i64 addrspace(1)* [ %base_obj, %entry ], [ %next, %loop ] |
| 13 | %condition = call i1 @runtime_value() |
| 14 | %maybe_next = getelementptr i64, i64 addrspace(1)* %current, i32 1 |
| 15 | %next = select i1 %condition, i64 addrspace(1)* %maybe_next, i64 addrspace(1)* %current |
| Sanjoy Das | 0407108 | 2016-01-29 00:28:57 +0000 | [diff] [blame^] | 16 | call void @do_safepoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] |
| Philip Reames | a5aeaf4 | 2015-02-28 00:20:48 +0000 | [diff] [blame] | 17 | br label %loop |
| 18 | } |
| 19 | |
| 20 | declare void @do_safepoint() |