xref: /llvm-project/llvm/test/Transforms/RewriteStatepointsForGC/rewrite-invoke.ll (revision f01a3a893c147c1594b9a3fbd817456b209dabbf) 
1; RUN: opt -passes=rewrite-statepoints-for-gc,verify -S < %s | FileCheck %s
2
3declare ptr addrspace(1) @gc_call()
4
5declare ptr @fake_personality_function()
6
7define ptr addrspace(1) @test(i1 %c) gc "statepoint-example" personality ptr @fake_personality_function {
8; CHECK-LABEL: @test(
9entry:
10  br i1 %c, label %gc_invoke, label %normal_dest
11
12gc_invoke:
13; CHECK: [[TOKEN:%[^ ]+]] = invoke token {{[^@]+}}@llvm.experimental.gc.statepoint{{[^@]+}}@gc_call
14  %obj = invoke ptr addrspace(1) @gc_call() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
15          to label %normal_dest unwind label %unwind_dest
16
17unwind_dest:
18; CHECK: unwind_dest:
19  %lpad = landingpad { ptr, i32 }
20          cleanup
21  resume { ptr, i32 } undef
22
23; CHECK: [[NORMAL_DEST_SPLIT:[^:]+:]]
24; CHECK-NEXT: [[RET_VAL:%[^ ]+]] = call ptr addrspace(1) @llvm.experimental.gc.result.p1(token [[TOKEN]])
25; CHECK-NEXT: br label %normal_dest
26
27normal_dest:
28; CHECK: normal_dest:
29; CHECK-NEXT: %merge = phi ptr addrspace(1) [ null, %entry ], [ %obj2, %normal_dest1 ]
30  %merge = phi ptr addrspace(1) [ null, %entry ], [ %obj, %gc_invoke ]
31  ret ptr addrspace(1) %merge
32}
33