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] }> 4 5; Function Attrs: noinline ssp uwtable mustprogress 6define ptr @foo(ptr nocapture readonly byval(%struct.A) align 8 %a1) #0 { 7entry: 8 %__promise = alloca %promise_type, align 1 9 %a2 = alloca %struct.A, align 8 10 %0 = call token @llvm.coro.id(i32 16, ptr nonnull %__promise, ptr @foo, ptr null) 11 %1 = call i1 @llvm.coro.alloc(token %0) 12 br i1 %1, label %coro.alloc, label %coro.init 13 14coro.alloc: ; preds = %entry 15 %2 = call i64 @llvm.coro.size.i64() 16 %call = call noalias nonnull ptr @_Znwm(i64 %2) #9 17 br label %coro.init 18 19coro.init: ; preds = %coro.alloc, %entry 20 %3 = phi ptr [ null, %entry ], [ %call, %coro.alloc ] 21 %4 = call ptr @llvm.coro.begin(token %0, ptr %3) #10 22 call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %__promise) #2 23 %call2 = call ptr @_ZN4task12promise_type17get_return_objectEv(ptr nonnull dereferenceable(1) %__promise) 24 call void @initial_suspend(ptr nonnull dereferenceable(1) %__promise) 25 %5 = call token @llvm.coro.save(ptr null) 26 call fastcc void @_ZNSt12experimental13coroutines_v116coroutine_handleIN4task12promise_typeEE12from_addressEPv(ptr %4) #2 27 %6 = call i8 @llvm.coro.suspend(token %5, i1 false) 28 switch i8 %6, label %coro.ret [ 29 i8 0, label %init.ready 30 i8 1, label %cleanup33 31 ] 32 33init.ready: ; preds = %coro.init 34 call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %a2) #2 35 call void @llvm.memcpy.p0.p0.i64(ptr align 8 %a2, ptr align 8 %a1, i64 24, i1 false) 36 call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %a2) #2 37 call void @_ZN4task12promise_type13final_suspendEv(ptr nonnull dereferenceable(1) %__promise) #2 38 %7 = call token @llvm.coro.save(ptr null) 39 call fastcc void @_ZNSt12experimental13coroutines_v116coroutine_handleIN4task12promise_typeEE12from_addressEPv(ptr %4) #2 40 %8 = call i8 @llvm.coro.suspend(token %7, i1 true) #10 41 %switch = icmp ult i8 %8, 2 42 br i1 %switch, label %cleanup33, label %coro.ret 43 44cleanup33: ; preds = %init.ready, %coro.init 45 call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %__promise) #2 46 %9 = call ptr @llvm.coro.free(token %0, ptr %4) 47 %.not = icmp eq ptr %9, null 48 br i1 %.not, label %coro.ret, label %coro.free 49 50coro.free: ; preds = %cleanup33 51 call void @_ZdlPv(ptr nonnull %9) #2 52 br label %coro.ret 53 54coro.ret: ; preds = %coro.free, %cleanup33, %init.ready, %coro.init 55 %10 = call i1 @llvm.coro.end(ptr null, i1 false, token none) #10 56 ret ptr %call2 57} 58 59; check that the frame contains the entire struct, instead of just the struct pointer 60; CHECK: %foo.Frame = type { ptr, ptr, %promise_type, %struct.A, i1 } 61 62; Function Attrs: argmemonly nounwind readonly 63declare token @llvm.coro.id(i32, ptr readnone, ptr nocapture readonly, ptr) #1 64 65; Function Attrs: nounwind 66declare i1 @llvm.coro.alloc(token) #2 67 68; Function Attrs: nobuiltin nofree allocsize(0) 69declare nonnull ptr @_Znwm(i64) local_unnamed_addr #3 70 71; Function Attrs: nounwind readnone 72declare i64 @llvm.coro.size.i64() #4 73 74; Function Attrs: nounwind 75declare ptr @llvm.coro.begin(token, ptr writeonly) #2 76 77; Function Attrs: argmemonly nofree nosync nounwind willreturn 78declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #5 79 80; Function Attrs: argmemonly nofree nounwind willreturn 81declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #6 82 83; Function Attrs: noinline nounwind ssp uwtable willreturn mustprogress 84declare ptr @_ZN4task12promise_type17get_return_objectEv(ptr nonnull dereferenceable(1)) local_unnamed_addr #7 align 2 85 86; Function Attrs: noinline nounwind ssp uwtable willreturn mustprogress 87declare void @initial_suspend(ptr nonnull dereferenceable(1)) local_unnamed_addr #7 align 2 88 89; Function Attrs: nounwind 90declare token @llvm.coro.save(ptr) #2 91 92; Function Attrs: noinline nounwind ssp uwtable willreturn mustprogress 93declare hidden fastcc void @_ZNSt12experimental13coroutines_v116coroutine_handleIN4task12promise_typeEE12from_addressEPv(ptr) unnamed_addr #7 align 2 94 95; Function Attrs: argmemonly nofree nosync nounwind willreturn 96declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #5 97 98; Function Attrs: nounwind 99declare i8 @llvm.coro.suspend(token, i1) #2 100 101; Function Attrs: noinline nounwind ssp uwtable willreturn mustprogress 102declare void @_ZN4task12promise_type13final_suspendEv(ptr nonnull dereferenceable(1)) local_unnamed_addr #7 align 2 103 104; Function Attrs: nounwind 105declare i1 @llvm.coro.end(ptr, i1, token) #2 106 107; Function Attrs: nobuiltin nounwind 108declare void @_ZdlPv(ptr) local_unnamed_addr #8 109 110; Function Attrs: argmemonly nounwind readonly 111declare ptr @llvm.coro.free(token, ptr nocapture readonly) #1 112 113attributes #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" } 114attributes #1 = { argmemonly nounwind readonly } 115attributes #2 = { nounwind } 116attributes #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" } 117attributes #4 = { nounwind readnone } 118attributes #5 = { argmemonly nofree nosync nounwind willreturn } 119attributes #6 = { argmemonly nofree nounwind willreturn } 120attributes #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" } 121attributes #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" } 122attributes #9 = { allocsize(0) } 123attributes #10 = { noduplicate } 124 125