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				https://github.com/c64scene-ar/llvm-6502.git
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	This was coming in weird debug info that had variables (and hence debug_locs) but was in GMLT mode (because it was missing the 13th field of the compile_unit metadata) so no ranges were constructed. We should always have at least one range for any CU with a debug_loc in it - because the range should cover the debug_loc. The assertion just ensures that the "!= 1" range case inside the subsequent loop doesn't get entered for the case where there are no ranges at all, which should never reach here in the first place. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214939 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			65 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc < %s -march=hexagon -mcpu=hexagonv4 -O2 -disable-lsr | FileCheck %s
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| ; ModuleID = 'hwloop-dbg.o'
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| target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-v64:64:64-v32:32:32-a0:0-n16:32"
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| target triple = "hexagon"
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| 
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| define void @foo(i32* nocapture %a, i32* nocapture %b) nounwind {
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| entry:
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|   tail call void @llvm.dbg.value(metadata !{i32* %a}, i64 0, metadata !13), !dbg !17
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|   tail call void @llvm.dbg.value(metadata !{i32* %b}, i64 0, metadata !14), !dbg !18
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|   tail call void @llvm.dbg.value(metadata !30, i64 0, metadata !15), !dbg !19
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|   br label %for.body, !dbg !19
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| 
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| for.body:                                         ; preds = %for.body, %entry
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| ; CHECK:     loop0(
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| ; CHECK-NOT: add({{r[0-9]*}}, #
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| ; CHECK:     endloop0
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|   %arrayidx.phi = phi i32* [ %a, %entry ], [ %arrayidx.inc, %for.body ]
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|   %i.02 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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|   %b.addr.01 = phi i32* [ %b, %entry ], [ %incdec.ptr, %for.body ]
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|   %incdec.ptr = getelementptr inbounds i32* %b.addr.01, i32 1, !dbg !21
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|   tail call void @llvm.dbg.value(metadata !{i32* %incdec.ptr}, i64 0, metadata !14), !dbg !21
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|   %0 = load i32* %b.addr.01, align 4, !dbg !21
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|   store i32 %0, i32* %arrayidx.phi, align 4, !dbg !21
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|   %inc = add nsw i32 %i.02, 1, !dbg !26
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|   tail call void @llvm.dbg.value(metadata !{i32 %inc}, i64 0, metadata !15), !dbg !26
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|   %exitcond = icmp eq i32 %inc, 10, !dbg !19
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|   %arrayidx.inc = getelementptr i32* %arrayidx.phi, i32 1
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|   br i1 %exitcond, label %for.end, label %for.body, !dbg !19
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| 
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| for.end:                                          ; preds = %for.body
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|   ret void, !dbg !27
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| }
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| 
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| declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
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| 
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| 
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| !llvm.dbg.cu = !{!0}
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| !llvm.module.flags = !{!29}
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| 
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| !0 = metadata !{i32 786449, metadata !28, i32 12, metadata !"QuIC LLVM Hexagon Clang version 6.1-pre-unknown, (git://git-hexagon-aus.quicinc.com/llvm/clang-mainline.git e9382867661454cdf44addb39430741578e9765c) (llvm/llvm-mainline.git 36412bb1fcf03ed426d4437b41198bae066675ac)", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, null, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/usr2/kparzysz/s.hex/t/hwloop-dbg.c] [DW_LANG_C99]
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| !2 = metadata !{}
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| !3 = metadata !{metadata !5}
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| !5 = metadata !{i32 786478, metadata !28, null, metadata !"foo", metadata !"foo", metadata !"", i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, void (i32*, i32*)* @foo, null, null, metadata !11, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [foo]
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| !6 = metadata !{i32 786473, metadata !28} ; [ DW_TAG_file_type ]
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| !7 = metadata !{i32 786453, i32 0, null, i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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| !8 = metadata !{null, metadata !9, metadata !9}
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| !9 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 32, i64 32, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ] [line 0, size 32, align 32, offset 0] [from int]
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| !10 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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| !11 = metadata !{metadata !13, metadata !14, metadata !15}
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| !13 = metadata !{i32 786689, metadata !5, metadata !"a", metadata !6, i32 16777217, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [a] [line 1]
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| !14 = metadata !{i32 786689, metadata !5, metadata !"b", metadata !6, i32 33554433, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [b] [line 1]
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| !15 = metadata !{i32 786688, metadata !16, metadata !"i", metadata !6, i32 2, metadata !10, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [i] [line 2]
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| !16 = metadata !{i32 786443, metadata !28, metadata !5, i32 1, i32 26, i32 0} ; [ DW_TAG_lexical_block ] [/usr2/kparzysz/s.hex/t/hwloop-dbg.c]
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| !17 = metadata !{i32 1, i32 15, metadata !5, null}
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| !18 = metadata !{i32 1, i32 23, metadata !5, null}
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| !19 = metadata !{i32 3, i32 8, metadata !20, null}
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| !20 = metadata !{i32 786443, metadata !28, metadata !16, i32 3, i32 3, i32 1} ; [ DW_TAG_lexical_block ] [/usr2/kparzysz/s.hex/t/hwloop-dbg.c]
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| !21 = metadata !{i32 4, i32 5, metadata !22, null}
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| !22 = metadata !{i32 786443, metadata !28, metadata !20, i32 3, i32 28, i32 2} ; [ DW_TAG_lexical_block ] [/usr2/kparzysz/s.hex/t/hwloop-dbg.c]
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| !26 = metadata !{i32 3, i32 23, metadata !20, null}
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| !27 = metadata !{i32 6, i32 1, metadata !16, null}
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| !28 = metadata !{metadata !"hwloop-dbg.c", metadata !"/usr2/kparzysz/s.hex/t"}
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| !29 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
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| !30 = metadata !{i32 0}
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