23 lines · plain
1; RUN: llc -mtriple aarch64-unknown-windows-msvc %s -o - | FileCheck %s2 3define internal swifttailcc void @"?future_adapter@@YWXPEAVAsyncContext@swift@@@Z"(ptr noundef swiftasync %_context) #0 {4entry:5 %add.ptr = getelementptr inbounds i8, ptr %_context, i64 -326 %asyncEntryPoint = getelementptr inbounds i8, ptr %_context, i64 -247 %0 = load ptr, ptr %asyncEntryPoint, align 88 %closureContext = getelementptr inbounds i8, ptr %_context, i64 -169 %1 = load ptr, ptr %closureContext, align 810 %2 = load ptr, ptr %add.ptr, align 811 musttail call swifttailcc void %0(ptr noundef %2, ptr noundef swiftasync %_context, ptr noundef swiftself %1) #1712 ret void13}14 15; Check that x20 isn't saved/restored at the prologue/epilogue which16; would interfere with the outgoing self parameter on x20 at the tail17; call.18 19; CHECK-NOT: st{{.*}}x2020; CHECK: ldp x1, x20, [x22, #-24]21; CHECK-NEXT: ldur x0, [x22, #-32]22; CHECK-NEXT: br x123