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	Now that `Metadata` is typeless, reflect that in the assembly.  These
are the matching assembly changes for the metadata/value split in
r223802.
  - Only use the `metadata` type when referencing metadata from a call
    intrinsic -- i.e., only when it's used as a `Value`.
  - Stop pretending that `ValueAsMetadata` is wrapped in an `MDNode`
    when referencing it from call intrinsics.
So, assembly like this:
    define @foo(i32 %v) {
      call void @llvm.foo(metadata !{i32 %v}, metadata !0)
      call void @llvm.foo(metadata !{i32 7}, metadata !0)
      call void @llvm.foo(metadata !1, metadata !0)
      call void @llvm.foo(metadata !3, metadata !0)
      call void @llvm.foo(metadata !{metadata !3}, metadata !0)
      ret void, !bar !2
    }
    !0 = metadata !{metadata !2}
    !1 = metadata !{i32* @global}
    !2 = metadata !{metadata !3}
    !3 = metadata !{}
turns into this:
    define @foo(i32 %v) {
      call void @llvm.foo(metadata i32 %v, metadata !0)
      call void @llvm.foo(metadata i32 7, metadata !0)
      call void @llvm.foo(metadata i32* @global, metadata !0)
      call void @llvm.foo(metadata !3, metadata !0)
      call void @llvm.foo(metadata !{!3}, metadata !0)
      ret void, !bar !2
    }
    !0 = !{!2}
    !1 = !{i32* @global}
    !2 = !{!3}
    !3 = !{}
I wrote an upgrade script that handled almost all of the tests in llvm
and many of the tests in cfe (even handling many `CHECK` lines).  I've
attached it (or will attach it in a moment if you're speedy) to PR21532
to help everyone update their out-of-tree testcases.
This is part of PR21532.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224257 91177308-0d34-0410-b5e6-96231b3b80d8
		
	
		
			
				
	
	
		
			81 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -verify-machineinstrs -filetype=asm | FileCheck %s -check-prefix=ARM-linux
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; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -filetype=obj
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!9, !10}
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!llvm.ident = !{!11}
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define void @test_basic() #0 {
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        %mem = alloca i32, i32 10
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        call void @dummy_use (i32* %mem, i32 10)
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	ret void
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; ARM-linux:      test_basic:
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; ARM-linux:      push    {r4, r5}
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; ARM-linux:      .cfi_def_cfa_offset 8
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; ARM-linux:      .cfi_offset r5, -4
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; ARM-linux:      .cfi_offset r4, -8
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; ARM-linux-NEXT: mrc     p15, #0, r4, c13, c0, #3
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; ARM-linux-NEXT: mov     r5, sp
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; ARM-linux-NEXT: ldr     r4, [r4, #4]
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; ARM-linux-NEXT: cmp     r4, r5
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; ARM-linux-NEXT: blo     .LBB0_2
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; ARM-linux:      mov     r4, #48
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; ARM-linux-NEXT: mov     r5, #0
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; ARM-linux-NEXT: stmdb   sp!, {lr}
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; ARM-linux:      .cfi_def_cfa_offset 12
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; ARM-linux:      .cfi_offset lr, -12
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; ARM-linux-NEXT: bl      __morestack
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; ARM-linux-NEXT: ldm     sp!, {lr}
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; ARM-linux-NEXT: pop     {r4, r5}
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; ARM-linux:      .cfi_def_cfa_offset 0
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; ARM-linux-NEXT: bx      lr
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; ARM-linux:      pop     {r4, r5}
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; ARM-linux:      .cfi_def_cfa_offset 0
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; ARM-linux       .cfi_same_value r4
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; ARM-linux       .cfi_same_value r5
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}
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!0 = !{!"0x11\0012\00clang version 3.5 \000\00\000\00\000", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/tmp/var.c] [DW_LANG_C99]
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!1 = !{!"var.c", !"/tmp"}
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!2 = !{}
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!3 = !{!4}
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!4 = !{!"0x2e\00test_basic\00test_basic\00\005\000\001\000\006\00256\000\005", !1, !5, !6, null, void ()* @test_basic, null, null, !2} ; [ DW_TAG_subprogram ] [line 5] [def] [sum]
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!5 = !{!"0x29", !1}          ; [ DW_TAG_file_type ] [/tmp/var.c]
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!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!7 = !{!8, !8}
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!8 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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!9 = !{i32 2, !"Dwarf Version", i32 4}
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!10 = !{i32 1, !"Debug Info Version", i32 2}
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!11 = !{!"clang version 3.5 "}
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!12 = !{!"0x101\00count\0016777221\000", !4, !5, !8} ; [ DW_TAG_arg_variable ] [count] [line 5]
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!13 = !{i32 5, i32 0, !4, null}
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!14 = !{!"0x100\00vl\006\000", !4, !5, !15} ; [ DW_TAG_auto_variable ] [vl] [line 6]
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!15 = !{!"0x16\00va_list\0030\000\000\000\000", !16, null, !17} ; [ DW_TAG_typedef ] [va_list] [line 30, size 0, align 0, offset 0] [from __builtin_va_list]
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!16 = !{!"/linux-x86_64-high/gcc_4.7.2/dbg/llvm/bin/../lib/clang/3.5/include/stdarg.h", !"/tmp"}
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!17 = !{!"0x16\00__builtin_va_list\006\000\000\000\000", !1, null, !18} ; [ DW_TAG_typedef ] [__builtin_va_list] [line 6, size 0, align 0, offset 0] [from __va_list]
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!18 = !{!"0x13\00__va_list\006\0032\0032\000\000\000", !1, null, null, !19, null, null, null} ; [ DW_TAG_structure_type ] [__va_list] [line 6, size 32, align 32, offset 0] [def] [from ]
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!19 = !{!20}
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!20 = !{!"0xd\00__ap\006\0032\0032\000\000", !1, !18, !21} ; [ DW_TAG_member ] [__ap] [line 6, size 32, align 32, offset 0] [from ]
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!21 = !{!"0xf\00\000\0032\0032\000\000", null, null, null} ; [ DW_TAG_pointer_type ] [line 0, size 32, align 32, offset 0] [from ]
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!22 = !{i32 6, i32 0, !4, null}
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!23 = !{i32 7, i32 0, !4, null}
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!24 = !{!"0x100\00test_basic\008\000", !4, !5, !8} ; [ DW_TAG_auto_variable ] [sum] [line 8]
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!25 = !{i32 8, i32 0, !4, null}
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!26 = !{!"0x100\00i\009\000", !27, !5, !8} ; [ DW_TAG_auto_variable ] [i] [line 9]
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!27 = !{!"0xb\009\000\000", !1, !4} ; [ DW_TAG_lexical_block ] [/tmp/var.c]
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!28 = !{i32 9, i32 0, !27, null}
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!29 = !{i32 10, i32 0, !30, null}
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!30 = !{!"0xb\009\000\001", !1, !27} ; [ DW_TAG_lexical_block ] [/tmp/var.c]
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!31 = !{i32 11, i32 0, !30, null}
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!32 = !{i32 12, i32 0, !4, null}
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!33 = !{i32 13, i32 0, !4, null}
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; Just to prevent the alloca from being optimized away
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declare void @dummy_use(i32*, i32)
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attributes #0 = { "split-stack" }
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