1 ; RUN: opt < %s -passes='cgscc(coro-split),simplifycfg,early-cse' -S | FileCheck %s
2 %promise_type = type { i8 }
3 %struct.A = type <{ i64, i64, i32, [4 x i8] }>
5 ; Function Attrs: noinline ssp uwtable mustprogress
6 define %promise_type* @foo(%struct.A* nocapture readonly byval(%struct.A) align 8 %a1) #0 {
8 %__promise = alloca %promise_type, align 1
9 %a2 = alloca %struct.A, align 8
10 %0 = getelementptr inbounds %promise_type, %promise_type* %__promise, i64 0, i32 0
11 %1 = call token @llvm.coro.id(i32 16, i8* nonnull %0, i8* bitcast (%promise_type* (%struct.A*)* @foo to i8*), i8* null)
12 %2 = call i1 @llvm.coro.alloc(token %1)
13 br i1 %2, label %coro.alloc, label %coro.init
15 coro.alloc: ; preds = %entry
16 %3 = call i64 @llvm.coro.size.i64()
17 %call = call noalias nonnull i8* @_Znwm(i64 %3) #9
20 coro.init: ; preds = %coro.alloc, %entry
21 %4 = phi i8* [ null, %entry ], [ %call, %coro.alloc ]
22 %5 = call i8* @llvm.coro.begin(token %1, i8* %4) #10
23 %6 = bitcast %struct.A* %a1 to i8*
24 call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull %0) #2
25 %call2 = call %promise_type* @_ZN4task12promise_type17get_return_objectEv(%promise_type* nonnull dereferenceable(1) %__promise)
26 call void @initial_suspend(%promise_type* nonnull dereferenceable(1) %__promise)
27 %7 = call token @llvm.coro.save(i8* null)
28 call fastcc void @_ZNSt12experimental13coroutines_v116coroutine_handleIN4task12promise_typeEE12from_addressEPv(i8* %5) #2
29 %8 = call i8 @llvm.coro.suspend(token %7, i1 false)
30 switch i8 %8, label %coro.ret [
31 i8 0, label %init.ready
32 i8 1, label %cleanup33
35 init.ready: ; preds = %coro.init
36 %9 = bitcast %struct.A* %a2 to i8*
37 call void @llvm.lifetime.start.p0i8(i64 24, i8* nonnull %9) #2
38 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %9, i8* align 8 %6, i64 24, i1 false)
39 call void @llvm.lifetime.end.p0i8(i64 24, i8* nonnull %9) #2
40 call void @_ZN4task12promise_type13final_suspendEv(%promise_type* nonnull dereferenceable(1) %__promise) #2
41 %10 = call token @llvm.coro.save(i8* null)
42 call fastcc void @_ZNSt12experimental13coroutines_v116coroutine_handleIN4task12promise_typeEE12from_addressEPv(i8* %5) #2
43 %11 = call i8 @llvm.coro.suspend(token %10, i1 true) #10
44 %switch = icmp ult i8 %11, 2
45 br i1 %switch, label %cleanup33, label %coro.ret
47 cleanup33: ; preds = %init.ready, %coro.init
48 call void @llvm.lifetime.end.p0i8(i64 1, i8* nonnull %0) #2
49 %12 = call i8* @llvm.coro.free(token %1, i8* %5)
50 %.not = icmp eq i8* %12, null
51 br i1 %.not, label %coro.ret, label %coro.free
53 coro.free: ; preds = %cleanup33
54 call void @_ZdlPv(i8* nonnull %12) #2
57 coro.ret: ; preds = %coro.free, %cleanup33, %init.ready, %coro.init
58 %13 = call i1 @llvm.coro.end(i8* null, i1 false) #10
59 ret %promise_type* %call2
62 ; check that the frame contains the entire struct, instead of just the struct pointer
63 ; CHECK: %foo.Frame = type { void (%foo.Frame*)*, void (%foo.Frame*)*, %promise_type, %struct.A, i1 }
65 ; Function Attrs: argmemonly nounwind readonly
66 declare token @llvm.coro.id(i32, i8* readnone, i8* nocapture readonly, i8*) #1
68 ; Function Attrs: nounwind
69 declare i1 @llvm.coro.alloc(token) #2
71 ; Function Attrs: nobuiltin nofree allocsize(0)
72 declare nonnull i8* @_Znwm(i64) local_unnamed_addr #3
74 ; Function Attrs: nounwind readnone
75 declare i64 @llvm.coro.size.i64() #4
77 ; Function Attrs: nounwind
78 declare i8* @llvm.coro.begin(token, i8* writeonly) #2
80 ; Function Attrs: argmemonly nofree nosync nounwind willreturn
81 declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) #5
83 ; Function Attrs: argmemonly nofree nounwind willreturn
84 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i64, i1 immarg) #6
86 ; Function Attrs: noinline nounwind ssp uwtable willreturn mustprogress
87 declare %promise_type* @_ZN4task12promise_type17get_return_objectEv(%promise_type* nonnull dereferenceable(1)) local_unnamed_addr #7 align 2
89 ; Function Attrs: noinline nounwind ssp uwtable willreturn mustprogress
90 declare void @initial_suspend(%promise_type* nonnull dereferenceable(1)) local_unnamed_addr #7 align 2
92 ; Function Attrs: nounwind
93 declare token @llvm.coro.save(i8*) #2
95 ; Function Attrs: noinline nounwind ssp uwtable willreturn mustprogress
96 declare hidden fastcc void @_ZNSt12experimental13coroutines_v116coroutine_handleIN4task12promise_typeEE12from_addressEPv(i8*) unnamed_addr #7 align 2
98 ; Function Attrs: argmemonly nofree nosync nounwind willreturn
99 declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) #5
101 ; Function Attrs: nounwind
102 declare i8 @llvm.coro.suspend(token, i1) #2
104 ; Function Attrs: noinline nounwind ssp uwtable willreturn mustprogress
105 declare void @_ZN4task12promise_type13final_suspendEv(%promise_type* nonnull dereferenceable(1)) local_unnamed_addr #7 align 2
107 ; Function Attrs: nounwind
108 declare i1 @llvm.coro.end(i8*, i1) #2
110 ; Function Attrs: nobuiltin nounwind
111 declare void @_ZdlPv(i8*) local_unnamed_addr #8
113 ; Function Attrs: argmemonly nounwind readonly
114 declare i8* @llvm.coro.free(token, i8* nocapture readonly) #1
116 attributes #0 = { noinline ssp uwtable mustprogress presplitcoroutine "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="penryn" "target-features"="+cx16,+cx8,+fxsr,+mmx,+sahf,+sse,+sse2,+sse3,+sse4.1,+ssse3,+x87" "tune-cpu"="generic" }
117 attributes #1 = { argmemonly nounwind readonly }
118 attributes #2 = { nounwind }
119 attributes #3 = { nobuiltin nofree allocsize(0) "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="penryn" "target-features"="+cx16,+cx8,+fxsr,+mmx,+sahf,+sse,+sse2,+sse3,+sse4.1,+ssse3,+x87" "tune-cpu"="generic" }
120 attributes #4 = { nounwind readnone }
121 attributes #5 = { argmemonly nofree nosync nounwind willreturn }
122 attributes #6 = { argmemonly nofree nounwind willreturn }
123 attributes #7 = { noinline nounwind ssp uwtable willreturn mustprogress "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="penryn" "target-features"="+cx16,+cx8,+fxsr,+mmx,+sahf,+sse,+sse2,+sse3,+sse4.1,+ssse3,+x87" "tune-cpu"="generic" }
124 attributes #8 = { nobuiltin nounwind "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="penryn" "target-features"="+cx16,+cx8,+fxsr,+mmx,+sahf,+sse,+sse2,+sse3,+sse4.1,+ssse3,+x87" "tune-cpu"="generic" }
125 attributes #9 = { allocsize(0) }
126 attributes #10 = { noduplicate }