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Add testcase for r81322 (PR4933).

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81327 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Torok Edwin 2009-09-09 09:34:43 +00:00
parent 4c0b349253
commit 6e89b6f107
1 changed files with 21 additions and 0 deletions
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test/CodeGen/X86/bss_pagealigned.ll Normal file
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; RUN: llc --code-model=kernel -march=x86-64 <%s | FileCheck %s
; PR4933
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
target triple = "x86_64-unknown-linux-gnu"
%struct.kmem_cache_order_objects = type { i64 }
declare i8* @memset(i8*, i32, i64)
define void @unxlate_dev_mem_ptr(i64 %phis, i8* %addr) nounwind {
%pte.addr.i = alloca %struct.kmem_cache_order_objects*
%call8 = call i8* @memset(i8* bitcast ([512 x %struct.kmem_cache_order_objects]* @bm_pte to i8*), i32 0, i64 4096)
; CHECK: movq $bm_pte, %rdi
; CHECK-NEXT: xorl %esi, %esi
; CHECK-NEXT: movl $4096, %edx
; CHECK-NEXT: call memset
ret void
}
@bm_pte = internal global [512 x %struct.kmem_cache_order_objects] zeroinitializer, section ".bss.page_aligned", align 4096
; CHECK: .section .bss.page_aligned,"aw",@nobits
; CHECK-NEXT: .align 4096
; CHECK-NEXT: bm_pte:
; CHECK-NEXT: .zero 4096
; CHECK-NEXT: .size bm_pte, 4096