1; RUN: opt -S < %s -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=2 | FileCheck %s 2 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-S128" 4 5; Make sure we are preserving debug info in the vectorized code. 6 7; CHECK-LABEL: define i32 @f( 8; CHECK: for.body.lr.ph 9; CHECK: min.iters.check = icmp ult i64 {{.*}}, 2, !dbg !{{[0-9]+}} 10; CHECK: vector.body 11; CHECK: index {{.*}}, !dbg ![[LOC1:[0-9]+]] 12; CHECK: getelementptr inbounds i32, i32* %a, {{.*}}, !dbg ![[LOC2:[0-9]+]] 13; CHECK: getelementptr inbounds i32, i32* %b, {{.*}}, !dbg ![[LOC1]] 14; CHECK: load <2 x i32>, <2 x i32>* {{.*}}, !dbg ![[LOC1]] 15; CHECK: add <2 x i32> {{.*}}, !dbg ![[LOC1]] 16; CHECK: add nuw i64 %index, 2, !dbg ![[LOC1]] 17; CHECK: icmp eq i64 %index.next, %n.vec, !dbg ![[LOC1]] 18; CHECK: middle.block 19; CHECK: call i32 @llvm.vector.reduce.add.v2i32(<2 x i32> %{{.*}}), !dbg ![[BR_LOC:[0-9]+]] 20; CHECK: for.body 21; CHECK: br i1{{.*}}, label %for.body,{{.*}}, !dbg ![[BR_LOC]], 22 23define i32 @f(i32* nocapture %a, i32* %b, i32 %size) !dbg !4 { 24entry: 25 call void @llvm.dbg.value(metadata i32* %a, metadata !13, metadata !DIExpression()), !dbg !19 26 call void @llvm.dbg.value(metadata i32 %size, metadata !14, metadata !DIExpression()), !dbg !19 27 call void @llvm.dbg.value(metadata i32 0, metadata !15, metadata !DIExpression()), !dbg !20 28 call void @llvm.dbg.value(metadata i32 0, metadata !16, metadata !DIExpression()), !dbg !21 29 %cmp4 = icmp eq i32 %size, 0, !dbg !21 30 br i1 %cmp4, label %for.end, label %for.body.lr.ph, !dbg !21 31 32for.body.lr.ph: ; preds = %entry 33 br label %for.body, !dbg !21 34 35for.body: ; preds = %for.body.lr.ph, %for.body 36 %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ] 37 %sum = phi i32 [ 0, %for.body.lr.ph ], [ %sum.next, %for.body ] 38 %arrayidx.1 = getelementptr inbounds i32, i32* %a, i64 %indvars.iv, !dbg !19 39 %arrayidx.2 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv, !dbg !22 40 %l.1 = load i32, i32* %arrayidx.1, align 4, !dbg !22 41 %l.2 = load i32, i32* %arrayidx.2, align 4, !dbg !22 42 %add.1 = add i32 %l.1, %l.2 43 %sum.next = add i32 %add.1, %sum, !dbg !22 44 %indvars.iv.next = add i64 %indvars.iv, 1, !dbg !22 45 call void @llvm.dbg.value(metadata !{null}, metadata !16, metadata !DIExpression()), !dbg !22 46 %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !22 47 %exitcond = icmp ne i32 %lftr.wideiv, %size, !dbg !21 48 br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge, !dbg !21 49 50for.cond.for.end_crit_edge: ; preds = %for.body 51 %add.lcssa = phi i32 [ %sum.next, %for.body ] 52 call void @llvm.dbg.value(metadata i32 %add.lcssa, metadata !15, metadata !DIExpression()), !dbg !22 53 br label %for.end, !dbg !21 54 55for.end: ; preds = %entry, %for.cond.for.end_crit_edge 56 %sum.0.lcssa = phi i32 [ %add.lcssa, %for.cond.for.end_crit_edge ], [ 0, %entry ] 57 ret i32 %sum.0.lcssa, !dbg !26 58} 59 60define i32 @test_debug_loc_on_branch_in_loop(i32* noalias %src, i32* noalias %dst) { 61; CHECK-LABEL: define i32 @test_debug_loc_on_branch_in_loop( 62; CHECK-LABEL: vector.body: 63; CHECK: [[LOAD:%.+]] = load <2 x i32>, <2 x i32>* {{.+}}, align 4 64; CHECK-NEXT: [[CMP:%.+]] = icmp eq <2 x i32> [[LOAD]], <i32 10, i32 10> 65; CHECK-NEXT: [[XOR:%.+]] = xor <2 x i1> [[CMP:%.+]], <i1 true, i1 true>, !dbg [[LOC3:!.+]] 66; CHECK-NEXT: [[EXT:%.+]] = extractelement <2 x i1> [[XOR]], i32 0, !dbg [[LOC3]] 67; CHECK-NEXT: br i1 [[EXT]], label %pred.store.if, label %pred.store.continue 68; CHECK-NOT: !dbg 69; CHECK-EMPTY: 70; CHECK-NEXT: pred.store.if: 71; CHECK-NEXT: [[GEP:%.+]] = getelementptr inbounds i32, i32* %dst, i64 {{.+}}, !dbg [[LOC3]] 72; CHECK-NEXT: store i32 0, i32* [[GEP]], align 4, !dbg [[LOC3]] 73; CHECK-NEXT: br label %pred.store.continue, !dbg [[LOC3]] 74; CHECK-EMPTY: 75; 76entry: 77 br label %loop.header 78 79loop.header: 80 %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop.latch ] 81 %gep.src = getelementptr inbounds i32, i32* %src, i64 %iv 82 %l = load i32, i32* %gep.src, align 4 83 %cmp = icmp eq i32 %l, 10 84 br i1 %cmp, label %loop.latch, label %if.then, !dbg !28 85 86if.then: 87 %gep.dst = getelementptr inbounds i32, i32* %dst, i64 %iv 88 store i32 0, i32* %gep.dst, align 4 89 br label %loop.latch 90 91loop.latch: 92 %iv.next = add nuw nsw i64 %iv, 1 93 %exitcond.not = icmp eq i64 %iv.next, 1000 94 br i1 %exitcond.not, label %exit, label %loop.header 95 96exit: 97 ret i32 0 98} 99 100define i32 @test_different_debug_loc_on_replicate_recipe(i32* noalias %src, i32* noalias %dst) { 101; CHECK-LABEL: define i32 @test_different_debug_loc_on_replicate_recipe( 102; CHECK-LABEL: vector.body: 103; CHECK: [[LOAD:%.+]] = load <2 x i32>, <2 x i32>* {{.+}}, align 4 104; CHECK-NEXT: [[CMP:%.+]] = icmp eq <2 x i32> [[LOAD]], <i32 10, i32 10> 105; CHECK-NEXT: [[XOR:%.+]] = xor <2 x i1> [[CMP:%.+]], <i1 true, i1 true>, !dbg [[LOC4:!.+]] 106; CHECK-NEXT: [[EXT:%.+]] = extractelement <2 x i1> [[XOR]], i32 0, !dbg [[LOC4]] 107; CHECK-NEXT: br i1 [[EXT]], label %pred.store.if, label %pred.store.continue 108; CHECK-NOT: !dbg 109; CHECK-EMPTY: 110; CHECK-NEXT: pred.store.if: 111; CHECK-NEXT: [[GEP:%.+]] = getelementptr inbounds i32, i32* %dst, i64 {{.+}}, !dbg [[LOC5:!.+]] 112; CHECK-NEXT: store i32 0, i32* [[GEP]], align 4, !dbg [[LOC5]] 113; CHECK-NEXT: br label %pred.store.continue, !dbg [[LOC4]] 114; CHECK-EMPTY: 115; 116entry: 117 br label %loop.header 118 119loop.header: 120 %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop.latch ] 121 %gep.src = getelementptr inbounds i32, i32* %src, i64 %iv 122 %l = load i32, i32* %gep.src, align 4 123 %cmp = icmp eq i32 %l, 10 124 br i1 %cmp, label %loop.latch, label %if.then, !dbg !33 125 126if.then: 127 %gep.dst = getelementptr inbounds i32, i32* %dst, i64 %iv, !dbg !34 128 store i32 0, i32* %gep.dst, align 4 129 br label %loop.latch 130 131loop.latch: 132 %iv.next = add nuw nsw i64 %iv, 1 133 %exitcond.not = icmp eq i64 %iv.next, 1000 134 br i1 %exitcond.not, label %exit, label %loop.header 135 136exit: 137 ret i32 0 138} 139 140; CHECK: ![[LOC2]] = !DILocation(line: 3 141; CHECK: ![[BR_LOC]] = !DILocation(line: 5, 142; CHECK: ![[LOC1]] = !DILocation(line: 6 143; CHECK: [[LOC3]] = !DILocation(line: 137 144; CHECK: [[LOC4]] = !DILocation(line: 210 145; CHECK: [[LOC5]] = !DILocation(line: 320 146 147 148declare void @llvm.dbg.declare(metadata, metadata, metadata) 149 150declare void @llvm.dbg.value(metadata, metadata, metadata) 151 152!llvm.dbg.cu = !{!0} 153!llvm.module.flags = !{!18, !27} 154 155!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.4 (trunk 185038) (llvm/trunk 185097)", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 156!1 = !DIFile(filename: "-", directory: "/Volumes/Data/backedup/dev/os/llvm/debug") 157!2 = !{} 158!4 = distinct !DISubprogram(name: "f", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 3, file: !5, scope: !6, type: !7, retainedNodes: !12) 159!5 = !DIFile(filename: "<stdin>", directory: "/Volumes/Data/backedup/dev/os/llvm/debug") 160!6 = !DIFile(filename: "<stdin>", directory: "/Volumes/Data/backedup/dev/os/llvm/debug") 161!7 = !DISubroutineType(types: !8) 162!8 = !{!9, !10, !11} 163!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 164!10 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !9) 165!11 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned) 166!12 = !{!13, !14, !15, !16} 167!13 = !DILocalVariable(name: "a", line: 3, arg: 1, scope: !4, file: !6, type: !10) 168!14 = !DILocalVariable(name: "size", line: 3, arg: 2, scope: !4, file: !6, type: !11) 169!15 = !DILocalVariable(name: "sum", line: 4, scope: !4, file: !6, type: !11) 170!16 = !DILocalVariable(name: "i", line: 5, scope: !17, file: !6, type: !11) 171!17 = distinct !DILexicalBlock(line: 5, column: 0, file: !5, scope: !4) 172!18 = !{i32 2, !"Dwarf Version", i32 3} 173!19 = !DILocation(line: 3, scope: !4) 174!20 = !DILocation(line: 4, scope: !4) 175!21 = !DILocation(line: 5, scope: !17) 176!22 = !DILocation(line: 6, scope: !17) 177!26 = !DILocation(line: 7, scope: !4) 178!27 = !{i32 1, !"Debug Info Version", i32 3} 179!28 = !DILocation(line: 137, column: 44, scope: !29) 180!29 = distinct !DILexicalBlock(scope: !30, file: !5, line: 137, column: 2) 181!30 = distinct !DISubprogram(name: "Place", scope: !5, file: !5, line: 135, scopeLine: 135, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0) 182!31 = distinct !DISubprogram(name: "Place", scope: !5, file: !5, line: 135, scopeLine: 135, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0) 183!32 = distinct !DILexicalBlock(scope: !31, file: !5, line: 137, column: 2) 184!33 = !DILocation(line: 210, column: 44, scope: !32) 185!34 = !DILocation(line: 320, column: 44, scope: !32) 186