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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
		
	
		
			
				
	
	
		
			29 lines
		
	
	
		
			834 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			834 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc < %s -mtriple=x86_64-apple-darwin  | FileCheck %s
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| ; RUN: llc < %s -mtriple=x86_64-linux-gnueabi | FileCheck %s
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| ; RUN: opt < %s -O3 -S -mtriple=x86_64-linux-gnueabi | FileCheck %s --check-prefix=OPT
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| 
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| define i64 @get_stack() nounwind {
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| entry:
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| ; CHECK-LABEL: get_stack:
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| ; CHECK: movq	%rsp, %rax
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| 	%sp = call i64 @llvm.read_register.i64(metadata !0)
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| ; OPT: @llvm.read_register.i64
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|   ret i64 %sp
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| }
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| 
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| define void @set_stack(i64 %val) nounwind {
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| entry:
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| ; CHECK-LABEL: set_stack:
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| ; CHECK: movq	%rdi, %rsp
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|   call void @llvm.write_register.i64(metadata !0, i64 %val)
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| ; OPT: @llvm.write_register.i64
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|   ret void
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| }
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| 
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| declare i64 @llvm.read_register.i64(metadata) nounwind
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| declare void @llvm.write_register.i64(metadata, i64) nounwind
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| 
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| ; register unsigned long current_stack_pointer asm("rsp");
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| ; CHECK-NOT: .asciz  "rsp"
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| !0 = !{!"rsp\00"}
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