| ; RUN: llc -o - %s -mtriple=aarch64-windows -verify-machineinstrs | FileCheck %s |
| |
| ; Make sure we have a base pointer. |
| ; CHECK-LABEL: "?a@@YAXXZ": |
| ; CHECK: and sp, x9, #0xffffffffffffffc0 |
| ; CHECK: mov x19, sp |
| |
| ; Make sure the funclet prologue/epilogue are correct: specifically, |
| ; it shouldn't access the parent's frame via sp, and the prologue and |
| ; epilogue should be symmetrical. |
| ; CHECK-LABEL: "?catch$2@?0??a@@YAXXZ@4HA": |
| ; CHECK: str x19, [sp, #-32]! |
| ; CHECK-NEXT: .seh_save_reg_x x19, 32 |
| ; CHECK-NEXT: str x28, [sp, #8] |
| ; CHECK-NEXT: .seh_save_reg x28, 8 |
| ; CHECK-NEXT: stp x29, x30, [sp, #16] |
| ; CHECK-NEXT: .seh_save_fplr 16 |
| ; CHECK-NEXT: .seh_endprologue |
| ; CHECK-NEXT: add x0, x19, #0 |
| ; CHECK-NEXT: mov w1, wzr |
| ; CHECK-NEXT: bl "?bb@@YAXPEAHH@Z" |
| ; CHECK-NEXT: adrp x0, .LBB0_1 |
| ; CHECK-NEXT: add x0, x0, .LBB0_1 |
| ; CHECK-NEXT: .seh_startepilogue |
| ; CHECK-NEXT: ldp x29, x30, [sp, #16] |
| ; CHECK-NEXT: .seh_save_fplr 16 |
| ; CHECK-NEXT: ldr x28, [sp, #8] |
| ; CHECK-NEXT: .seh_save_reg x28, 8 |
| ; CHECK-NEXT: ldr x19, [sp], #32 |
| ; CHECK-NEXT: .seh_save_reg_x x19, 32 |
| ; CHECK-NEXT: .seh_endepilogue |
| ; CHECK-NEXT: ret |
| |
| |
| target datalayout = "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64-unknown-windows-msvc19.11.0" |
| |
| define dso_local void @"?a@@YAXXZ"() personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) { |
| entry: |
| %a = alloca [100 x i32], align 64 |
| %0 = bitcast [100 x i32]* %a to i8* |
| call void @llvm.memset.p0i8.i64(i8* nonnull align 64 %0, i8 0, i64 400, i1 false) |
| %1 = getelementptr inbounds [100 x i32], [100 x i32]* %a, i64 0, i64 0 |
| store i32 305419896, i32* %1, align 64 |
| invoke void @"?bb@@YAXPEAHH@Z"(i32* nonnull %1, i32 1) |
| to label %try.cont unwind label %catch.dispatch |
| |
| catch.dispatch: ; preds = %entry |
| %2 = catchswitch within none [label %catch] unwind to caller |
| |
| catch: ; preds = %catch.dispatch |
| %3 = catchpad within %2 [i8* null, i32 64, i8* null] |
| call void @"?bb@@YAXPEAHH@Z"(i32* nonnull %1, i32 0) [ "funclet"(token %3) ] |
| catchret from %3 to label %try.cont |
| |
| try.cont: ; preds = %entry, %catch |
| call void @"?cc@@YAXXZ"() |
| ret void |
| } |
| |
| declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1) |
| |
| declare dso_local void @"?bb@@YAXPEAHH@Z"(i32*, i32) |
| |
| declare dso_local i32 @__CxxFrameHandler3(...) |
| |
| declare dso_local void @"?cc@@YAXXZ"() |
| |