1; RUN: llc < %s | FileCheck %s 2 3; Make sure the prologue is sane. (Doesn't need to exactly match this, 4; but the original issue only reproduced if the cbz was immediately 5; after the frame setup.) 6 7; CHECK: stp x29, x30, [sp, #-32]! 8; CHECK-NEXT: .seh_save_fplr_x 32 9; CHECK-NEXT: mov x29, sp 10; CHECK-NEXT: .seh_set_fp 11; CHECK-NEXT: .seh_endprologue 12; CHECK-NEXT: mov x1, #-2 13; CHECK-NEXT: stur x1, [x29, #16] 14; CHECK-NEXT: cbz w0, .LBB0_2 15 16target datalayout = "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128" 17target triple = "aarch64-unknown-windows-msvc19.11.0" 18 19; Function Attrs: uwtable 20define dso_local void @"?f@@YAXH@Z"(i32 %x) local_unnamed_addr #0 personality ptr @__CxxFrameHandler3 { 21entry: 22 %cmp = icmp eq i32 %x, 0 23 br i1 %cmp, label %try.cont, label %if.then 24 25if.then: ; preds = %entry 26 invoke void @"?g@@YAXXZ"() 27 to label %try.cont unwind label %catch.dispatch 28 29catch.dispatch: ; preds = %if.then 30 %0 = catchswitch within none [label %catch] unwind to caller 31 32catch: ; preds = %catch.dispatch 33 %1 = catchpad within %0 [ptr null, i32 64, ptr null] 34 catchret from %1 to label %try.cont 35 36try.cont: ; preds = %entry, %if.then, %catch 37 ret void 38} 39 40declare dso_local void @"?g@@YAXXZ"() local_unnamed_addr #1 41 42declare dso_local i32 @__CxxFrameHandler3(...) 43