1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 2; RUN: llc -mtriple aarch64-unknown-windows -swift-async-fp=never -aarch64-enable-sink-fold=true -filetype asm -o - %s | FileCheck %s 3 4; ModuleID = '_Concurrency.ll' 5source_filename = "_Concurrency.ll" 6target datalayout = "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128" 7target triple = "aarch64-unknown-windows-msvc19.32.31302" 8 9%swift.context = type { ptr, ptr } 10 11; Function Attrs: argmemonly nofree nosync nounwind willreturn 12declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0 13 14; NOTE: we do not see the canonical windows frame setup due to the `nounwind` 15; attribtue on the function. 16 17; Function Attrs: nounwind 18define hidden swifttailcc void @"$ss23withCheckedContinuation8function_xSS_yScCyxs5NeverOGXEtYalFTQ0_"(ptr nocapture readonly %0) #1 { 19; CHECK-LABEL: $ss23withCheckedContinuation8function_xSS_yScCyxs5NeverOGXEtYalFTQ0_: 20; CHECK: // %bb.0: // %entryresume.0 21; CHECK-NEXT: sub sp, sp, #48 22; CHECK-NEXT: stp x30, x29, [sp, #24] // 16-byte Folded Spill 23; CHECK-NEXT: add x29, sp, #24 24; CHECK-NEXT: str x19, [sp, #40] // 8-byte Folded Spill 25; CHECK-NEXT: adrp x19, __imp_swift_task_dealloc 26; CHECK-NEXT: str xzr, [sp, #16] 27; CHECK-NEXT: ldr x8, [x0] 28; CHECK-NEXT: stur x8, [x29, #-8] 29; CHECK-NEXT: ldr x20, [x0] 30; CHECK-NEXT: ldp x22, x0, [x8, #16] 31; CHECK-NEXT: stur x20, [x29, #-8] 32; CHECK-NEXT: ldr x19, [x19, :lo12:__imp_swift_task_dealloc] 33; CHECK-NEXT: blr x19 34; CHECK-NEXT: mov x0, x22 35; CHECK-NEXT: blr x19 36; CHECK-NEXT: ldp x30, x29, [sp, #24] // 16-byte Folded Reload 37; CHECK-NEXT: mov x0, x20 38; CHECK-NEXT: ldr x1, [x20, #8] 39; CHECK-NEXT: ldr x19, [sp, #40] // 8-byte Folded Reload 40; CHECK-NEXT: add sp, sp, #48 41; CHECK-NEXT: br x1 42entryresume.0: 43 %1 = load ptr, ptr %0, align 8 44 %2 = tail call ptr @llvm.swift.async.context.addr() #4 45 store ptr %1, ptr %2, align 8 46 %async.ctx.frameptr1 = getelementptr inbounds i8, ptr %1, i64 16 47 %.reload.addr4 = getelementptr inbounds i8, ptr %1, i64 24 48 %.reload5 = load ptr, ptr %.reload.addr4, align 8 49 %.reload = load ptr, ptr %async.ctx.frameptr1, align 8 50 %3 = load ptr, ptr %0, align 8 51 store ptr %3, ptr %2, align 8 52 tail call swiftcc void @swift_task_dealloc(ptr %.reload5) #4 53 tail call void @llvm.lifetime.end.p0(i64 -1, ptr %.reload5) 54 tail call swiftcc void @swift_task_dealloc(ptr %.reload) #4 55 %4 = getelementptr inbounds i8, ptr %3, i64 8 56 %5 = load ptr, ptr %4, align 8 57 musttail call swifttailcc void %5(ptr %3) #4 58 ret void 59} 60 61 62; Function Attrs: nounwind readnone 63declare ptr @llvm.swift.async.context.addr() #2 64 65; Function Attrs: argmemonly nounwind 66declare dllimport swiftcc void @swift_task_dealloc(ptr) local_unnamed_addr #3 67 68attributes #0 = { argmemonly nofree nosync nounwind willreturn } 69attributes #1 = { nounwind "frame-pointer"="none" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+neon" } 70attributes #2 = { nounwind readnone } 71attributes #3 = { argmemonly nounwind } 72attributes #4 = { nounwind } 73 74