1 files changed, 59 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AArch64/wineh-try-catch-realign.ll b/llvm/test/CodeGen/AArch64/wineh-try-catch-realign.ll
new file mode 100644
index 00000000000..78255fbb166
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/wineh-try-catch-realign.ll
@@ -0,0 +1,59 @@
+; 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     x28, [sp, #-32]!
+; CHECK-NEXT: str     x19, [sp, #8]
+; CHECK-NEXT: stp     x29, x30, [sp, #16]
+; CHECK-NEXT: add     x0, x19, #64
+; 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: ldp     x29, x30, [sp, #16]
+; CHECK-NEXT: ldr     x19, [sp, #8]
+; CHECK-NEXT: ldr     x28, [sp], #32
+; 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"()
+