| ; RUN: llc -mtriple aarch64-unknown-windows-msvc %s -o - | FileCheck %s |
| |
| define internal swifttailcc void @"?future_adapter@@YWXPEAVAsyncContext@swift@@@Z"(ptr noundef swiftasync %_context) #0 { |
| entry: |
| %add.ptr = getelementptr inbounds i8, ptr %_context, i64 -32 |
| %asyncEntryPoint = getelementptr inbounds i8, ptr %_context, i64 -24 |
| %0 = load ptr, ptr %asyncEntryPoint, align 8 |
| %closureContext = getelementptr inbounds i8, ptr %_context, i64 -16 |
| %1 = load ptr, ptr %closureContext, align 8 |
| %2 = load ptr, ptr %add.ptr, align 8 |
| musttail call swifttailcc void %0(ptr noundef %2, ptr noundef swiftasync %_context, ptr noundef swiftself %1) #17 |
| ret void |
| } |
| |
| ; Check that x20 isn't saved/restored at the prologue/epilogue which |
| ; would interfere with the outgoing self parameter on x20 at the tail |
| ; call. |
| |
| ; CHECK-NOT: st{{.*}}x20 |
| ; CHECK: ldp x1, x20, [x22, #-24] |
| ; CHECK-NEXT: ldur x0, [x22, #-32] |
| ; CHECK-NEXT: br x1 |
