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Diffstat (limited to 'llvm/test/CodeGen/X86/bss_pagealigned.ll')
-rw-r--r--llvm/test/CodeGen/X86/bss_pagealigned.ll21
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/bss_pagealigned.ll b/llvm/test/CodeGen/X86/bss_pagealigned.ll
new file mode 100644
index 000000000000..4a1049bc560d
--- /dev/null
+++ b/llvm/test/CodeGen/X86/bss_pagealigned.ll
@@ -0,0 +1,21 @@
+; 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