57 lines
2 KiB
LLVM
57 lines
2 KiB
LLVM
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; RUN: llc -o - %s -mtriple=aarch64-windows -verify-machineinstrs | FileCheck %s
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; Check we don't have a base pointer.
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; CHECK-LABEL: "?a@@YAXXZ":
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; CHECK-NOT: x19
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; Make sure the prologue and epilogue are sane. Make sure the
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; frame index is relative to the FP, since there is no base pointer.
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; (Funclets aren't allowed to contain dynamic allocas.)
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; CHECK-LABEL: "?catch$2@?0??a@@YAXXZ@4HA":
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; CHECK: stp x29, x30, [sp, #-16]!
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; CHECK-NEXT: .seh_save_fplr_x 16
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; CHECK-NEXT: .seh_endprologue
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; CHECK-NEXT: ldur x0, [x29, #-8]
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; CHECK-NEXT: mov x1, x0
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; CHECK-NEXT: bl "?bb@@YAXPEAHH@Z"
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; CHECK-NEXT: adrp x0, .LBB0_1
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; CHECK-NEXT: add x0, x0, .LBB0_1
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; CHECK-NEXT: .seh_startepilogue
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; CHECK-NEXT: ldp x29, x30, [sp], #16
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; CHECK-NEXT: .seh_save_fplr_x 16
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; CHECK-NEXT: .seh_endepilogue
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; CHECK-NEXT: ret
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target datalayout = "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64-unknown-windows-msvc19.11.0"
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define dso_local void @"?a@@YAXXZ"(i64 %p1) personality ptr @__CxxFrameHandler3 {
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entry:
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%a = alloca i32, i64 %p1, align 16
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call void @llvm.memset.p0.i64(ptr nonnull align 16 %a, i8 0, i64 400, i1 false)
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store i32 305419896, ptr %a, align 16
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invoke void @"?bb@@YAXPEAHH@Z"(ptr nonnull %a, ptr null)
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to label %try.cont unwind label %catch.dispatch
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catch.dispatch: ; preds = %entry
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%0 = catchswitch within none [label %catch] unwind to caller
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catch: ; preds = %catch.dispatch
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%1 = catchpad within %0 [ptr null, i32 64, ptr null]
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call void @"?bb@@YAXPEAHH@Z"(ptr nonnull %a, ptr %a) [ "funclet"(token %1) ]
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catchret from %1 to label %try.cont
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try.cont: ; preds = %entry, %catch
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call void @"?cc@@YAXXZ"()
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ret void
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}
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declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1)
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declare dso_local void @"?bb@@YAXPEAHH@Z"(ptr, ptr)
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declare dso_local i32 @__CxxFrameHandler3(...)
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declare dso_local void @"?cc@@YAXXZ"()
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