22 lines
857 B
LLVM
22 lines
857 B
LLVM
|
; RUN: opt < %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
|
||
|
|
; RUN: opt < %s -passes=rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
|
||
|
|
|
||
|
|
; CHECK: derived %next base %base_obj
|
||
|
|
|
||
|
|
declare i1 @runtime_value() "gc-leaf-function"
|
||
|
|
|
||
|
|
define void @maybe_GEP(i64 addrspace(1)* %base_obj) gc "statepoint-example" {
|
||
|
|
entry:
|
||
|
|
br label %loop
|
||
|
|
|
||
|
|
loop: ; preds = %loop, %entry
|
||
|
|
%current = phi i64 addrspace(1)* [ %base_obj, %entry ], [ %next, %loop ]
|
||
|
|
%condition = call i1 @runtime_value()
|
||
|
|
%maybe_next = getelementptr i64, i64 addrspace(1)* %current, i32 1
|
||
|
|
%next = select i1 %condition, i64 addrspace(1)* %maybe_next, i64 addrspace(1)* %current
|
||
|
|
call void @do_safepoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
|
||
|
|
br label %loop
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @do_safepoint()
|