1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=loop-idiom < %s -S | FileCheck %s 3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 4target triple = "x86_64-apple-darwin10.0.0" 5 6 7define void @foo(ptr nocapture %a) nounwind ssp !dbg !0 { 8; CHECK-LABEL: @foo( 9; CHECK-NEXT: entry: 10; CHECK-NEXT: #dbg_value(ptr [[A:%.*]], [[META7:![0-9]+]], !DIExpression(), [[META10:![0-9]+]]) 11; CHECK-NEXT: #dbg_value(i32 0, [[META11:![0-9]+]], !DIExpression(), [[META15:![0-9]+]]) 12; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 8 [[A]], i8 0, i64 8000, i1 false), !dbg [[DBG16:![0-9]+]] 13; CHECK-NEXT: br label [[FOR_BODY:%.*]] 14; CHECK: for.body: 15; CHECK-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ] 16; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr double, ptr [[A]], i64 [[INDVAR]] 17; CHECK-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 1 18; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVAR_NEXT]], 1000 19; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY]], label [[FOR_END:%.*]], !dbg [[META15]] 20; CHECK: for.end: 21; CHECK-NEXT: #dbg_value([[META3:![0-9]+]], [[META11]], !DIExpression(), [[META17:![0-9]+]]) 22; CHECK-NEXT: ret void, !dbg [[DBG18:![0-9]+]] 23; 24entry: 25 tail call void @llvm.dbg.value(metadata ptr %a, metadata !5, metadata !DIExpression()), !dbg !8 26 tail call void @llvm.dbg.value(metadata i32 0, metadata !10, metadata !DIExpression()), !dbg !14 27 br label %for.body 28 29for.body: ; preds = %entry, %for.body 30 %indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.body ] 31 %arrayidx = getelementptr double, ptr %a, i64 %indvar 32 store double 0.000000e+00, ptr %arrayidx, align 8, !dbg !15 33 %indvar.next = add i64 %indvar, 1 34 %exitcond = icmp ne i64 %indvar.next, 1000 35 br i1 %exitcond, label %for.body, label %for.end, !dbg !14 36 37for.end: ; preds = %for.body 38 tail call void @llvm.dbg.value(metadata !{null}, metadata !10, metadata !DIExpression()), !dbg !16 39 ret void, !dbg !17 40} 41 42declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone 43 44declare void @llvm.dbg.value(metadata, metadata, metadata) nounwind readnone 45 46!llvm.module.flags = !{!19} 47!llvm.dbg.cu = !{!2} 48 49!0 = distinct !DISubprogram(name: "foo", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !2, file: !18, scope: !1, type: !3) 50!1 = !DIFile(filename: "li.c", directory: "/private/tmp") 51!2 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 2.9 (trunk 127165:127174)", isOptimized: true, emissionKind: FullDebug, file: !18, enums: !9, retainedTypes: !9) 52!3 = !DISubroutineType(types: !4) 53!4 = !{null} 54!5 = !DILocalVariable(name: "a", line: 2, arg: 1, scope: !0, file: !1, type: !6) 55!6 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, scope: !2, baseType: !7) 56!7 = !DIBasicType(tag: DW_TAG_base_type, name: "double", size: 64, align: 64, encoding: DW_ATE_float) 57!8 = !DILocation(line: 2, column: 18, scope: !0) 58!9 = !{} 59!10 = !DILocalVariable(name: "i", line: 3, scope: !11, file: !1, type: !13) 60!11 = distinct !DILexicalBlock(line: 3, column: 3, file: !18, scope: !12) 61!12 = distinct !DILexicalBlock(line: 2, column: 21, file: !18, scope: !0) 62!13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 63!14 = !DILocation(line: 3, column: 3, scope: !12) 64!15 = !DILocation(line: 4, column: 5, scope: !11) 65!16 = !DILocation(line: 3, column: 29, scope: !11) 66!17 = !DILocation(line: 5, column: 1, scope: !12) 67!18 = !DIFile(filename: "li.c", directory: "/private/tmp") 68!19 = !{i32 1, !"Debug Info Version", i32 3} 69