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1; RUN: llc -o - %s -mtriple=aarch64-windows -verify-machineinstrs | FileCheck %s2 3; Check we don't have a base pointer.4; CHECK-LABEL: "?a@@YAXXZ":5; CHECK-NOT: x196 7; Make sure the prologue and epilogue are sane. Make sure the8; frame index is relative to the FP, since there is no base pointer.9; (Funclets aren't allowed to contain dynamic allocas.)10; CHECK-LABEL: "?catch$2@?0??a@@YAXXZ@4HA":11; CHECK: stp x29, x30, [sp, #-16]!12; CHECK-NEXT: .seh_save_fplr_x 1613; CHECK-NEXT: .seh_endprologue14; CHECK-NEXT: ldur x0, [x29, #-8]15; CHECK-NEXT: mov x1, x016; CHECK-NEXT: bl "?bb@@YAXPEAHH@Z"17; CHECK-NEXT: adrp x0, .LBB0_118; CHECK-NEXT: add x0, x0, .LBB0_119; CHECK-NEXT: .seh_startepilogue20; CHECK-NEXT: ldp x29, x30, [sp], #1621; CHECK-NEXT: .seh_save_fplr_x 1622; CHECK-NEXT: .seh_endepilogue23; CHECK-NEXT: ret24 25target datalayout = "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128"26target triple = "aarch64-unknown-windows-msvc19.11.0"27 28define dso_local void @"?a@@YAXXZ"(i64 %p1) personality ptr @__CxxFrameHandler3 {29entry:30 %a = alloca i32, i64 %p1, align 1631 call void @llvm.memset.p0.i64(ptr nonnull align 16 %a, i8 0, i64 400, i1 false)32 store i32 305419896, ptr %a, align 1633 invoke void @"?bb@@YAXPEAHH@Z"(ptr nonnull %a, ptr null)34 to label %try.cont unwind label %catch.dispatch35 36catch.dispatch: ; preds = %entry37 %0 = catchswitch within none [label %catch] unwind to caller38 39catch: ; preds = %catch.dispatch40 %1 = catchpad within %0 [ptr null, i32 64, ptr null]41 call void @"?bb@@YAXPEAHH@Z"(ptr nonnull %a, ptr %a) [ "funclet"(token %1) ]42 catchret from %1 to label %try.cont43 44try.cont: ; preds = %entry, %catch45 call void @"?cc@@YAXXZ"()46 ret void47}48 49declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1)50 51declare dso_local void @"?bb@@YAXPEAHH@Z"(ptr, ptr)52 53declare dso_local i32 @__CxxFrameHandler3(...)54 55declare dso_local void @"?cc@@YAXXZ"()56 57