1; RUN: llc -o - %s -mtriple=aarch64-windows -verify-machineinstrs | FileCheck %s 2 3; Make sure we have a base pointer. 4; CHECK-LABEL: "?a@@YAXXZ": 5; CHECK: and sp, x9, #0xffffffffffffffc0 6; CHECK: mov x19, sp 7 8; Make sure the funclet prologue/epilogue are correct: specifically, 9; it shouldn't access the parent's frame via sp, and the prologue and 10; epilogue should be symmetrical. 11; CHECK-LABEL: "?catch$2@?0??a@@YAXXZ@4HA": 12; CHECK: str x19, [sp, #-32]! 13; CHECK-NEXT: .seh_save_reg_x x19, 32 14; CHECK-NEXT: str x28, [sp, #8] 15; CHECK-NEXT: .seh_save_reg x28, 8 16; CHECK-NEXT: stp x29, x30, [sp, #16] 17; CHECK-NEXT: .seh_save_fplr 16 18; CHECK-NEXT: .seh_endprologue 19; CHECK-NEXT: add x0, x19, #0 20; CHECK-NEXT: mov w1, wzr 21; CHECK-NEXT: bl "?bb@@YAXPEAHH@Z" 22; CHECK-NEXT: adrp x0, .LBB0_1 23; CHECK-NEXT: add x0, x0, .LBB0_1 24; CHECK-NEXT: .seh_startepilogue 25; CHECK-NEXT: ldp x29, x30, [sp, #16] 26; CHECK-NEXT: .seh_save_fplr 16 27; CHECK-NEXT: ldr x28, [sp, #8] 28; CHECK-NEXT: .seh_save_reg x28, 8 29; CHECK-NEXT: ldr x19, [sp], #32 30; CHECK-NEXT: .seh_save_reg_x x19, 32 31; CHECK-NEXT: .seh_endepilogue 32; CHECK-NEXT: ret 33 34 35target datalayout = "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128" 36target triple = "aarch64-unknown-windows-msvc19.11.0" 37 38define dso_local void @"?a@@YAXXZ"() personality ptr @__CxxFrameHandler3 { 39entry: 40 %a = alloca [100 x i32], align 64 41 call void @llvm.memset.p0.i64(ptr nonnull align 64 %a, i8 0, i64 400, i1 false) 42 store i32 305419896, ptr %a, align 64 43 invoke void @"?bb@@YAXPEAHH@Z"(ptr nonnull %a, i32 1) 44 to label %try.cont unwind label %catch.dispatch 45 46catch.dispatch: ; preds = %entry 47 %0 = catchswitch within none [label %catch] unwind to caller 48 49catch: ; preds = %catch.dispatch 50 %1 = catchpad within %0 [ptr null, i32 64, ptr null] 51 call void @"?bb@@YAXPEAHH@Z"(ptr nonnull %a, i32 0) [ "funclet"(token %1) ] 52 catchret from %1 to label %try.cont 53 54try.cont: ; preds = %entry, %catch 55 call void @"?cc@@YAXXZ"() 56 ret void 57} 58 59declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1) 60 61declare dso_local void @"?bb@@YAXPEAHH@Z"(ptr, i32) 62 63declare dso_local i32 @__CxxFrameHandler3(...) 64 65declare dso_local void @"?cc@@YAXXZ"() 66 67