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; RUN: opt < %s -passes='default<O2>' -S | FileCheck --check-prefixes=CHECK %s
; RUN: opt < %s -O0 -S | FileCheck --check-prefixes=CHECK-O0 %s
; CHECK-NOT: llvm.coro.suspend.async
; CHECK-O0-NOT: llvm.coro.suspend.async
; This test used to crash during updating the call graph in coro splitting.
target datalayout = "p:64:64:64"
%swift.async_func_pointer = type <{ i32, i32 }>
@"$s1d3fooyySbYaFTu" = hidden global %swift.async_func_pointer <{ i32 trunc (i64 sub (i64 ptrtoint (ptr @"$s1d3fooyySbYaF" to i64), i64 ptrtoint (ptr @"$s1d3fooyySbYaFTu" to i64)) to i32), i32 16 }>
@"$s1d3baryySbYaFTu" = hidden global %swift.async_func_pointer <{ i32 trunc (i64 sub (i64 ptrtoint (ptr @"$s1d3baryySbYaF" to i64), i64 ptrtoint (ptr @"$s1d3baryySbYaFTu" to i64)) to i32), i32 16 }>
define swifttailcc void @"$s1d3fooyySbYaF"(ptr swiftasync %0, i1 %1) {
entry:
%2 = alloca ptr, align 8
%c.debug = alloca i1, align 8
%3 = call token @llvm.coro.id.async(i32 16, i32 16, i32 0, ptr @"$s1d3fooyySbYaFTu")
%4 = call ptr @llvm.coro.begin(token %3, ptr null)
store ptr %0, ptr %2, align 8
call void @llvm.memset.p0.i64(ptr align 8 %c.debug, i8 0, i64 1, i1 false)
store i1 %1, ptr %c.debug, align 8
call void asm sideeffect "", "r"(ptr %c.debug)
%5 = load i32, ptr getelementptr inbounds (%swift.async_func_pointer, ptr @"$s1d3baryySbYaFTu", i32 0, i32 1), align 8
%6 = zext i32 %5 to i64
%7 = call swiftcc ptr @swift_task_alloc(i64 %6) #4
call void @llvm.lifetime.start.p0(i64 -1, ptr %7)
%8 = load ptr, ptr %2, align 8
%9 = getelementptr inbounds <{ ptr, ptr }>, ptr %7, i32 0, i32 0
store ptr %8, ptr %9, align 8
%10 = call ptr @llvm.coro.async.resume()
%11 = getelementptr inbounds <{ ptr, ptr }>, ptr %7, i32 0, i32 1
store ptr %10, ptr %11, align 8
%12 = call { ptr } (i32, ptr, ptr, ...) @llvm.coro.suspend.async.sl_p0s(i32 0, ptr %10, ptr @__swift_async_resume_project_context, ptr @"$s1d3fooyySbYaF.0", ptr @"$s1d3baryySbYaF", ptr %7, i1 %1)
%13 = extractvalue { ptr } %12, 0
%14 = call ptr @__swift_async_resume_project_context(ptr %13)
store ptr %14, ptr %2, align 8
call swiftcc void @swift_task_dealloc(ptr %7) #4
call void @llvm.lifetime.end.p0(i64 -1, ptr %7)
%15 = load ptr, ptr %2, align 8
%16 = getelementptr inbounds <{ ptr, ptr }>, ptr %15, i32 0, i32 1
%17 = load ptr, ptr %16, align 8
%18 = load ptr, ptr %2, align 8
%19 = call i1 (ptr, i1, ...) @llvm.coro.end.async(ptr %4, i1 false, ptr @"$s1d3fooyySbYaF.0.1", ptr %17, ptr %18)
unreachable
}
declare token @llvm.coro.id.async(i32, i32, i32, ptr) #1
declare void @llvm.trap() #2
declare ptr @llvm.coro.begin(token, ptr) #1
declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1 immarg) #3
define hidden swifttailcc void @"$s1d3baryySbYaF"(ptr swiftasync %0, i1 %1) {
entry:
%2 = alloca ptr, align 8
%c.debug = alloca i1, align 8
%3 = call token @llvm.coro.id.async(i32 16, i32 16, i32 0, ptr @"$s1d3baryySbYaFTu")
%4 = call ptr @llvm.coro.begin(token %3, ptr null)
store ptr %0, ptr %2, align 8
call void @llvm.memset.p0.i64(ptr align 8 %c.debug, i8 0, i64 1, i1 false)
store i1 %1, ptr %c.debug, align 8
call void asm sideeffect "", "r"(ptr %c.debug)
br i1 %1, label %5, label %17
5: ; preds = %entry
%6 = xor i1 %1, true
%7 = load i32, ptr getelementptr inbounds (%swift.async_func_pointer, ptr @"$s1d3fooyySbYaFTu", i32 0, i32 1), align 8
%8 = zext i32 %7 to i64
%9 = call swiftcc ptr @swift_task_alloc(i64 %8) #4
call void @llvm.lifetime.start.p0(i64 -1, ptr %9)
%10 = load ptr, ptr %2, align 8
%11 = getelementptr inbounds <{ ptr, ptr }>, ptr %9, i32 0, i32 0
store ptr %10, ptr %11, align 8
%12 = call ptr @llvm.coro.async.resume()
%13 = getelementptr inbounds <{ ptr, ptr }>, ptr %9, i32 0, i32 1
store ptr %12, ptr %13, align 8
%14 = call { ptr } (i32, ptr, ptr, ...) @llvm.coro.suspend.async.sl_p0s(i32 0, ptr %12, ptr @__swift_async_resume_project_context, ptr @"$s1d3baryySbYaF.0.2", ptr @"$s1d3fooyySbYaF", ptr %9, i1 %6)
%15 = extractvalue { ptr } %14, 0
%16 = call ptr @__swift_async_resume_project_context(ptr %15)
store ptr %16, ptr %2, align 8
call swiftcc void @swift_task_dealloc(ptr %9) #4
call void @llvm.lifetime.end.p0(i64 -1, ptr %9)
br label %18
17: ; preds = %entry
br label %18
18: ; preds = %5, %17
%19 = load ptr, ptr %2, align 8
%20 = getelementptr inbounds <{ ptr, ptr }>, ptr %19, i32 0, i32 1
%21 = load ptr, ptr %20, align 8
%22 = load ptr, ptr %2, align 8
%23 = call i1 (ptr, i1, ...) @llvm.coro.end.async(ptr %4, i1 false, ptr @"$s1d3baryySbYaF.0", ptr %21, ptr %22)
unreachable
}
declare swiftcc ptr @swift_task_alloc(i64) #4
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #5
declare ptr @llvm.coro.async.resume() #6
define linkonce_odr hidden ptr @__swift_async_resume_project_context(ptr %0) #7 {
entry:
%1 = load ptr, ptr %0, align 8
%2 = call ptr @llvm.swift.async.context.addr()
store ptr %1, ptr %2, align 8
ret ptr %1
}
declare ptr @llvm.swift.async.context.addr() #1
define internal swifttailcc void @"$s1d3fooyySbYaF.0"(ptr %0, ptr %1, i1 %2) #8 {
entry:
musttail call swifttailcc void %0(ptr swiftasync %1, i1 %2)
ret void
}
declare { ptr } @llvm.coro.suspend.async.sl_p0s(i32, ptr, ptr, ...) #6
declare swiftcc void @swift_task_dealloc(ptr) #4
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #5
define internal swifttailcc void @"$s1d3fooyySbYaF.0.1"(ptr %0, ptr %1) #8 {
entry:
musttail call swifttailcc void %0(ptr swiftasync %1)
ret void
}
declare i1 @llvm.coro.end.async(ptr, i1, ...) #1
define internal swifttailcc void @"$s1d3baryySbYaF.0"(ptr %0, ptr %1) #8 {
entry:
musttail call swifttailcc void %0(ptr swiftasync %1)
ret void
}
define internal swifttailcc void @"$s1d3baryySbYaF.0.2"(ptr %0, ptr %1, i1 %2) #8 {
entry:
musttail call swifttailcc void %0(ptr swiftasync %1, i1 %2)
ret void
}
attributes #1 = { nounwind }
attributes #2 = { cold noreturn nounwind }
attributes #3 = { nocallback nofree nounwind willreturn}
attributes #4 = { nounwind }
attributes #5 = { nocallback nofree nosync nounwind willreturn }
attributes #6 = { nomerge nounwind }
attributes #7 = { alwaysinline nounwind }
attributes #8 = { alwaysinline nounwind }
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