forked from OSchip/llvm-project
45 lines
1.8 KiB
LLVM
45 lines
1.8 KiB
LLVM
; RUN: opt < %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
|
|
|
|
; CHECK: derived %obj_to_consume base %obj_to_consume.base
|
|
|
|
declare void @foo()
|
|
|
|
declare i64 addrspace(1)* @generate_obj()
|
|
|
|
declare void @consume_obj(i64 addrspace(1)*)
|
|
|
|
define void @test(i32 %condition) gc "statepoint-example" {
|
|
entry:
|
|
br label %loop
|
|
|
|
loop: ; preds = %merge.split, %entry
|
|
; CHECK: loop:
|
|
; CHECK: [[TOKEN_0:%[^ ]+]] = call token (i64, i32, i64 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i64f(i64 2882400000, i32 0, i64 addrspace(1)* ()* @generate_obj, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i3
|
|
; CHECK-NEXT: [[RESULT_0:%[^ ]+]] = call i64 addrspace(1)* @llvm.experimental.gc.result
|
|
%0 = call i64 addrspace(1)* @generate_obj() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
|
|
switch i32 %condition, label %dest_a [
|
|
i32 0, label %dest_b
|
|
i32 1, label %dest_c
|
|
]
|
|
|
|
dest_a: ; preds = %loop
|
|
br label %merge
|
|
|
|
dest_b: ; preds = %loop
|
|
br label %merge
|
|
|
|
dest_c: ; preds = %loop
|
|
br label %merge
|
|
|
|
merge: ; preds = %dest_c, %dest_b, %dest_a
|
|
; CHECK: merge:
|
|
; CHECK: %obj_to_consume = phi i64 addrspace(1)* [ [[RESULT_0]], %dest_a ], [ null, %dest_b ], [ null, %dest_c ]
|
|
%obj_to_consume = phi i64 addrspace(1)* [ %0, %dest_a ], [ null, %dest_b ], [ null, %dest_c ]
|
|
call void @consume_obj(i64 addrspace(1)* %obj_to_consume) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
|
|
br label %merge.split
|
|
|
|
merge.split: ; preds = %merge
|
|
call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
|
|
br label %loop
|
|
}
|