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64 lines
3.6 KiB
64 lines
3.6 KiB
; 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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define void @foo(i32* nocapture %a, i32* nocapture %b) nounwind !dbg !5 {
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entry:
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tail call void @llvm.dbg.value(metadata i32* %a, i64 0, metadata !13, metadata !DIExpression()), !dbg !17
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tail call void @llvm.dbg.value(metadata i32* %b, i64 0, metadata !14, metadata !DIExpression()), !dbg !18
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tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !15, metadata !DIExpression()), !dbg !19
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br label %for.body, !dbg !19
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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, 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, metadata !DIExpression()), !dbg !21
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%0 = load i32, 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, metadata !DIExpression()), !dbg !26
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%exitcond = icmp eq i32 %inc, 10, !dbg !19
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%arrayidx.inc = getelementptr i32, i32* %arrayidx.phi, i32 1
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br i1 %exitcond, label %for.end, label %for.body, !dbg !19
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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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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!29}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "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)", isOptimized: true, emissionKind: FullDebug, file: !28, enums: !2, retainedTypes: !2, globals: !2)
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!2 = !{}
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!5 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 1, file: !28, scope: null, type: !7, variables: !11)
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!6 = !DIFile(filename: "hwloop-dbg.c", directory: "/usr2/kparzysz/s.hex/t")
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!7 = !DISubroutineType(types: !8)
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!8 = !{null, !9, !9}
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!9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !10)
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!10 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!11 = !{!13, !14, !15}
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!13 = !DILocalVariable(name: "a", line: 1, arg: 1, scope: !5, file: !6, type: !9)
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!14 = !DILocalVariable(name: "b", line: 1, arg: 2, scope: !5, file: !6, type: !9)
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!15 = !DILocalVariable(name: "i", line: 2, scope: !16, file: !6, type: !10)
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!16 = distinct !DILexicalBlock(line: 1, column: 26, file: !28, scope: !5)
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!17 = !DILocation(line: 1, column: 15, scope: !5)
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!18 = !DILocation(line: 1, column: 23, scope: !5)
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!19 = !DILocation(line: 3, column: 8, scope: !20)
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!20 = distinct !DILexicalBlock(line: 3, column: 3, file: !28, scope: !16)
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!21 = !DILocation(line: 4, column: 5, scope: !22)
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!22 = distinct !DILexicalBlock(line: 3, column: 28, file: !28, scope: !20)
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!26 = !DILocation(line: 3, column: 23, scope: !20)
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!27 = !DILocation(line: 6, column: 1, scope: !16)
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!28 = !DIFile(filename: "hwloop-dbg.c", directory: "/usr2/kparzysz/s.hex/t")
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!29 = !{i32 1, !"Debug Info Version", i32 3}
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!30 = !{i32 0}
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