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1; RUN: opt < %s -O0 -S | FileCheck --check-prefixes=CHECK %s2 3%swift.async_func_pointer = type <{ i32, i32 }>4%swift.context = type { ptr, ptr, i64 }5%T10RR13AC = type <{ %swift.refcounted, %swift.defaultactor }>6%swift.refcounted = type { ptr, i64 }7%swift.type = type { i64 }8%swift.defaultactor = type { [10 x ptr] }9%swift.bridge = type opaque10%swift.error = type opaque11%swift.executor = type {}12 13@repoTU = hidden global %swift.async_func_pointer <{ i32 trunc (i64 sub (i64 ptrtoint (ptr @repo to i64), i64 ptrtoint (ptr @repoTU to i64)) to i32), i32 20 }>, section "__TEXT,__const", align 814 15declare void @use(ptr)16 17; This used to crash.18; CHECK: repo19define hidden swifttailcc void @repo(ptr swiftasync %arg, i64 %arg1, i64 %arg2, ptr swiftself %arg3) #0 {20entry:21 %i = alloca ptr, align 822 %i11 = call token @llvm.coro.id.async(i32 20, i32 16, i32 0, ptr @repoTU)23 %i12 = call ptr @llvm.coro.begin(token %i11, ptr null)24 %i18 = call ptr @llvm.coro.async.resume()25 call void @use(ptr %i18)26 %i21 = call { ptr } (i32, ptr, ptr, ...) @llvm.coro.suspend.async.sl_p0i8s(i32 0, ptr %i18, ptr @__swift_async_resume_get_context, ptr @__swift_suspend_point, ptr %i18, ptr null, ptr null)27 %i22 = extractvalue { ptr } %i21, 028 %i23 = call ptr @__swift_async_resume_get_context(ptr %i22)29 %i28 = icmp eq i64 %arg2, 030 br i1 %i28, label %bb126, label %bb31 32bb: ; preds = %entry33 %i29 = inttoptr i64 %arg2 to ptr34 br label %bb3035 36bb30: ; preds = %bb37 %i31 = phi i64 [ %arg1, %bb ]38 %i32 = phi ptr [ %i29, %bb ]39 %i35 = ptrtoint ptr %i32 to i6440 %i37 = load ptr, ptr %arg3, align 841 %i39 = getelementptr inbounds ptr, ptr %i37, i64 1142 %i40 = load ptr, ptr %i39, align 843 %i43 = load i32, ptr %i40, align 844 %i44 = sext i32 %i43 to i6445 %i45 = ptrtoint ptr %i40 to i6446 %i46 = add i64 %i45, %i4447 %i47 = inttoptr i64 %i46 to ptr48 %i52 = call swiftcc ptr @swift_task_alloc(i64 24) #149 %i54 = load ptr, ptr %i, align 850 %i55 = getelementptr inbounds <{ ptr, ptr, i32 }>, ptr %i52, i32 0, i32 051 store ptr %i54, ptr %i55, align 852 %i56 = call ptr @llvm.coro.async.resume()53 call void @use(ptr %i56)54 %i58 = getelementptr inbounds <{ ptr, ptr, i32 }>, ptr %i52, i32 0, i32 155 store ptr %i56, ptr %i58, align 856 %i61 = call { ptr, ptr } (i32, ptr, ptr, ...) @llvm.coro.suspend.async.sl_p0i8p0s_swift.errorss(i32 256, ptr %i56, ptr @__swift_async_resume_project_context, ptr @__swift_suspend_dispatch_4, ptr %i47, ptr %i52, i64 %i31, i64 0, ptr %arg3)57 %i62 = extractvalue { ptr, ptr } %i61, 058 %i63 = call ptr @__swift_async_resume_project_context(ptr %i62)59 store ptr %i63, ptr %i, align 860 %i65 = extractvalue { ptr, ptr } %i61, 161 call swiftcc void @swift_task_dealloc(ptr %i52) #162 br i1 %i28, label %bb126, label %bb6863 64bb68: ; preds = %bb3065 %i69 = call ptr @llvm.coro.async.resume()66 call void @use(ptr %i69)67 %i70 = load ptr, ptr %i, align 868 %i71 = call { ptr } (i32, ptr, ptr, ...) @llvm.coro.suspend.async.sl_p0i8s(i32 0, ptr %i69, ptr @__swift_async_resume_get_context, ptr @__swift_suspend_point, ptr %i69, ptr null, ptr %i70)69 %i77 = ptrtoint ptr %i32 to i6470 %i79 = load ptr, ptr %arg3, align 871 %i81 = getelementptr inbounds ptr, ptr %i79, i64 1172 %i82 = load ptr, ptr %i81, align 873 %i85 = load i32, ptr %i82, align 874 %i86 = sext i32 %i85 to i6475 %i87 = ptrtoint ptr %i82 to i6476 %i88 = add i64 %i87, %i8677 %i89 = inttoptr i64 %i88 to ptr78 %i94 = call swiftcc ptr @swift_task_alloc(i64 24) #179 %i98 = call ptr @llvm.coro.async.resume()80 call void @use(ptr %i98)81 %i103 = call { ptr, ptr } (i32, ptr, ptr, ...) @llvm.coro.suspend.async.sl_p0i8p0s_swift.errorss(i32 256, ptr %i98, ptr @__swift_async_resume_project_context, ptr @__swift_suspend_dispatch_4.1, ptr %i89, ptr null, i64 %i31, i64 0, ptr %arg3)82 call swiftcc void @swift_task_dealloc(ptr %i94) #183 br label %bb12684 85bb126:86 call void (ptr, i1, ...) @llvm.coro.end.async(ptr %i12, i1 false, ptr @__swift_suspend_dispatch_2, ptr @doIt, ptr null, ptr null)87 unreachable88}89 90; Function Attrs: nounwind91declare token @llvm.coro.id.async(i32, i32, i32, ptr) #192 93; Function Attrs: nounwind94declare ptr @llvm.coro.begin(token, ptr writeonly) #195 96; Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly97declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #398 99; Function Attrs: nounwind100declare ptr @llvm.coro.async.resume() #1101 102; Function Attrs: noinline103define linkonce_odr hidden ptr @__swift_async_resume_get_context(ptr %arg) #4 {104entry:105 ret ptr %arg106}107 108; Function Attrs: nounwind109declare extern_weak swifttailcc void @swift_task_switch(ptr, ptr, ptr) #1110 111; Function Attrs: nounwind112define internal swifttailcc void @__swift_suspend_point(ptr %arg, ptr %arg1, ptr %arg2) #1 {113entry:114 musttail call swifttailcc void @swift_task_switch(ptr swiftasync %arg2, ptr %arg, ptr %arg1) #1115 ret void116}117 118; Function Attrs: nounwind119declare { ptr } @llvm.coro.suspend.async.sl_p0i8s(i32, ptr, ptr, ...) #1120 121; Function Attrs: nounwind122declare void @llvm.coro.end.async(ptr, i1, ...) #1123 124; Function Attrs: argmemonly nounwind125declare extern_weak swiftcc ptr @swift_task_alloc(i64) #5126 127; Function Attrs: nounwind readnone128declare ptr @llvm.swift.async.context.addr() #6129 130; Function Attrs: alwaysinline nounwind131define linkonce_odr hidden ptr @__swift_async_resume_project_context(ptr %arg) #7 {132entry:133 %i1 = load ptr, ptr %arg, align 8134 %i2 = call ptr @llvm.swift.async.context.addr()135 store ptr %i1, ptr %i2, align 8136 ret ptr %i1137}138 139; Function Attrs: nounwind140declare { ptr, ptr } @llvm.coro.suspend.async.sl_p0i8p0s_swift.errorss(i32, ptr, ptr, ...) #1141 142; Function Attrs: argmemonly nounwind143declare extern_weak swiftcc void @swift_task_dealloc(ptr) #5144 145; Function Attrs: nounwind146define internal swifttailcc void @__swift_suspend_dispatch_4(ptr %arg, ptr %arg1, i64 %arg2, i64 %arg3, ptr %arg4) #1 {147entry:148 musttail call swifttailcc void %arg(ptr swiftasync %arg1, i64 %arg2, i64 %arg3, ptr swiftself %arg4)149 ret void150}151 152declare swifttailcc void @doIt(ptr swiftasync %arg1, ptr swiftself %arg2)153 154; Function Attrs: nounwind155define internal swifttailcc void @__swift_suspend_dispatch_2(ptr %arg, ptr %arg1, ptr %arg2) #1 {156entry:157 musttail call swifttailcc void %arg(ptr swiftasync %arg1, ptr swiftself %arg2)158 ret void159}160 161; Function Attrs: nounwind162define internal swifttailcc void @__swift_suspend_dispatch_4.1(ptr %arg, ptr %arg1, i64 %arg2, i64 %arg3, ptr %arg4) #1 {163entry:164 musttail call swifttailcc void %arg(ptr swiftasync %arg1, i64 %arg2, i64 %arg3, ptr swiftself %arg4)165 ret void166}167 168attributes #0 = { "frame-pointer"="all" }169attributes #1 = { nounwind }170attributes #2 = { argmemonly nofree nosync nounwind willreturn }171attributes #3 = { argmemonly nofree nosync nounwind willreturn writeonly }172attributes #4 = { noinline "frame-pointer"="all" }173attributes #5 = { argmemonly nounwind }174attributes #6 = { nounwind readnone }175attributes #7 = { alwaysinline nounwind "frame-pointer"="all" }176