| ; RUN: llc -mtriple aarch64-unknown-windows -swift-async-fp=never -filetype asm -o - %s | FileCheck %s |
| |
| ; ModuleID = '_Concurrency.ll' |
| source_filename = "_Concurrency.ll" |
| target datalayout = "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64-unknown-windows-msvc19.32.31302" |
| |
| %swift.context = type { %swift.context*, void (%swift.context*)* } |
| |
| ; Function Attrs: argmemonly nofree nosync nounwind willreturn |
| declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) #0 |
| |
| ; Function Attrs: nounwind |
| define hidden swifttailcc void @"$ss23withCheckedContinuation8function_xSS_yScCyxs5NeverOGXEtYalFTQ0_"(i8* nocapture readonly %0) #1 { |
| entryresume.0: |
| %1 = bitcast i8* %0 to i8** |
| %2 = load i8*, i8** %1, align 8 |
| %3 = tail call i8** @llvm.swift.async.context.addr() #4 |
| store i8* %2, i8** %3, align 8 |
| %async.ctx.frameptr1 = getelementptr inbounds i8, i8* %2, i64 16 |
| %.reload.addr4 = getelementptr inbounds i8, i8* %2, i64 24 |
| %4 = bitcast i8* %.reload.addr4 to i8** |
| %.reload5 = load i8*, i8** %4, align 8 |
| %.reload.addr = bitcast i8* %async.ctx.frameptr1 to i8** |
| %.reload = load i8*, i8** %.reload.addr, align 8 |
| %5 = load i8*, i8** %1, align 8 |
| store i8* %5, i8** %3, align 8 |
| tail call swiftcc void @swift_task_dealloc(i8* %.reload5) #4 |
| tail call void @llvm.lifetime.end.p0i8(i64 -1, i8* %.reload5) |
| tail call swiftcc void @swift_task_dealloc(i8* %.reload) #4 |
| %6 = getelementptr inbounds i8, i8* %5, i64 8 |
| %7 = bitcast i8* %6 to void (%swift.context*)** |
| %8 = load void (%swift.context*)*, void (%swift.context*)** %7, align 8 |
| %9 = bitcast i8* %5 to %swift.context* |
| musttail call swifttailcc void %8(%swift.context* %9) #4 |
| ret void |
| } |
| |
| ; NOTE: we do not see the canonical windows frame setup due to the `nounwind` |
| ; attribtue on the function. |
| |
| ; CHECK: sub sp, sp, #64 |
| ; CHECK: stp x30, x29, [sp, #16] |
| ; CHECK: add x29, sp, #16 |
| ; CHECK: stp x22, x21, [sp, #32] |
| ; CHECK: sub x8, x29, #8 |
| ; CHECK: stp x20, x19, [sp, #48] |
| ; CHECK: ldr x9, [x0] |
| ; CHECK: str x9, [x8] |
| |
| ; Function Attrs: nounwind readnone |
| declare i8** @llvm.swift.async.context.addr() #2 |
| |
| ; Function Attrs: argmemonly nounwind |
| declare dllimport swiftcc void @swift_task_dealloc(i8*) local_unnamed_addr #3 |
| |
| attributes #0 = { argmemonly nofree nosync nounwind willreturn } |
| attributes #1 = { nounwind "frame-pointer"="none" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+neon" } |
| attributes #2 = { nounwind readnone } |
| attributes #3 = { argmemonly nounwind } |
| attributes #4 = { nounwind } |
| |