1 ; RUN: llc < %s -march=hexagon -mcpu=hexagonv4 -O2 -disable-lsr | FileCheck %s 2 ; ModuleID = 'hwloop-dbg.o' 3 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" 4 target triple = "hexagon" 5 6 define void @foo(i32* nocapture %a, i32* nocapture %b) nounwind { 7 entry: 8 tail call void @llvm.dbg.value(metadata !{i32* %a}, i64 0, metadata !13), !dbg !17 9 tail call void @llvm.dbg.value(metadata !{i32* %b}, i64 0, metadata !14), !dbg !18 10 tail call void @llvm.dbg.value(metadata !2, i64 0, metadata !15), !dbg !19 11 br label %for.body, !dbg !19 12 13 for.body: ; preds = %for.body, %entry 14 ; CHECK: loop0( 15 ; CHECK-NOT: add({{r[0-9]*}}, # 16 ; CHECK: endloop0 17 %arrayidx.phi = phi i32* [ %a, %entry ], [ %arrayidx.inc, %for.body ] 18 %i.02 = phi i32 [ 0, %entry ], [ %inc, %for.body ] 19 %b.addr.01 = phi i32* [ %b, %entry ], [ %incdec.ptr, %for.body ] 20 %incdec.ptr = getelementptr inbounds i32* %b.addr.01, i32 1, !dbg !21 21 tail call void @llvm.dbg.value(metadata !{i32* %incdec.ptr}, i64 0, metadata !14), !dbg !21 22 %0 = load i32* %b.addr.01, align 4, !dbg !21 23 store i32 %0, i32* %arrayidx.phi, align 4, !dbg !21 24 %inc = add nsw i32 %i.02, 1, !dbg !26 25 tail call void @llvm.dbg.value(metadata !{i32 %inc}, i64 0, metadata !15), !dbg !26 26 %exitcond = icmp eq i32 %inc, 10, !dbg !19 27 %arrayidx.inc = getelementptr i32* %arrayidx.phi, i32 1 28 br i1 %exitcond, label %for.end, label %for.body, !dbg !19 29 30 for.end: ; preds = %for.body 31 ret void, !dbg !27 32 } 33 34 declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone 35 36 37 !llvm.dbg.cu = !{!0} 38 39 !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 !""} ; [ DW_TAG_compile_unit ] [/usr2/kparzysz/s.hex/t/hwloop-dbg.c] [DW_LANG_C99] 40 !2 = metadata !{i32 0} 41 !3 = metadata !{metadata !5} 42 !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] 43 !6 = metadata !{i32 786473, metadata !28} ; [ DW_TAG_file_type ] 44 !7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 45 !8 = metadata !{null, metadata !9, metadata !9} 46 !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] 47 !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] 48 !11 = metadata !{metadata !12} 49 !12 = metadata !{metadata !13, metadata !14, metadata !15} 50 !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] 51 !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] 52 !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] 53 !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] 54 !17 = metadata !{i32 1, i32 15, metadata !5, null} 55 !18 = metadata !{i32 1, i32 23, metadata !5, null} 56 !19 = metadata !{i32 3, i32 8, metadata !20, null} 57 !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] 58 !21 = metadata !{i32 4, i32 5, metadata !22, null} 59 !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] 60 !26 = metadata !{i32 3, i32 23, metadata !20, null} 61 !27 = metadata !{i32 6, i32 1, metadata !16, null} 62 !28 = metadata !{metadata !"hwloop-dbg.c", metadata !"/usr2/kparzysz/s.hex/t"} 63
