1 ; RUN: opt < %s -loop-vectorize -mtriple=x86_64-unknown-linux -S -pass-remarks='loop-vectorize' 2>&1 | FileCheck -check-prefix=VECTORIZED %s 2 ; RUN: opt < %s -loop-vectorize -force-vector-width=1 -force-vector-interleave=4 -mtriple=x86_64-unknown-linux -S -pass-remarks='loop-vectorize' 2>&1 | FileCheck -check-prefix=UNROLLED %s 3 ; RUN: opt < %s -loop-vectorize -force-vector-width=1 -force-vector-interleave=1 -mtriple=x86_64-unknown-linux -S -pass-remarks-analysis='loop-vectorize' 2>&1 | FileCheck -check-prefix=NONE %s 4 5 ; This code has all the !dbg annotations needed to track source line information, 6 ; but is missing the llvm.dbg.cu annotation. This prevents code generation from 7 ; emitting debug info in the final output. 8 ; RUN: llc < %s -mtriple x86_64-pc-linux-gnu -o - | FileCheck -check-prefix=DEBUG-OUTPUT %s 9 ; DEBUG-OUTPUT-NOT: .loc 10 ; DEBUG-OUTPUT-NOT: {{.*}}.debug_info 11 12 ; VECTORIZED: remark: vectorization-remarks.c:17:8: vectorized loop (vectorization width: 4, interleaved count: 1) 13 ; UNROLLED: remark: vectorization-remarks.c:17:8: interleaved loop (interleaved count: 4) 14 ; NONE: remark: vectorization-remarks.c:17:8: loop not vectorized: vectorization and interleaving are explicitly disabled, or vectorize width and interleave count are both set to 1 15 16 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 17 18 define i32 @foo(i32 %n) #0 !dbg !4 { 19 entry: 20 %diff = alloca i32, align 4 21 %cb = alloca [16 x i8], align 16 22 %cc = alloca [16 x i8], align 16 23 store i32 0, i32* %diff, align 4, !dbg !10, !tbaa !11 24 br label %for.body, !dbg !15 25 26 for.body: ; preds = %for.body, %entry 27 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 28 %add8 = phi i32 [ 0, %entry ], [ %add, %for.body ], !dbg !19 29 %arrayidx = getelementptr inbounds [16 x i8], [16 x i8]* %cb, i64 0, i64 %indvars.iv, !dbg !19 30 %0 = load i8, i8* %arrayidx, align 1, !dbg !19, !tbaa !21 31 %conv = sext i8 %0 to i32, !dbg !19 32 %arrayidx2 = getelementptr inbounds [16 x i8], [16 x i8]* %cc, i64 0, i64 %indvars.iv, !dbg !19 33 %1 = load i8, i8* %arrayidx2, align 1, !dbg !19, !tbaa !21 34 %conv3 = sext i8 %1 to i32, !dbg !19 35 %sub = sub i32 %conv, %conv3, !dbg !19 36 %add = add nsw i32 %sub, %add8, !dbg !19 37 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !15 38 %exitcond = icmp eq i64 %indvars.iv.next, 16, !dbg !15 39 br i1 %exitcond, label %for.end, label %for.body, !dbg !15 40 41 for.end: ; preds = %for.body 42 store i32 %add, i32* %diff, align 4, !dbg !19, !tbaa !11 43 call void @ibar(i32* %diff) #2, !dbg !22 44 ret i32 0, !dbg !23 45 } 46 47 declare void @ibar(i32*) #1 48 49 !llvm.module.flags = !{!7, !8} 50 !llvm.ident = !{!9} 51 52 !1 = !DIFile(filename: "vectorization-remarks.c", directory: ".") 53 !2 = !{} 54 !3 = !{!4} 55 !4 = distinct !DISubprogram(name: "foo", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 6, file: !1, scope: !5, type: !6, variables: !2) 56 !5 = !DIFile(filename: "vectorization-remarks.c", directory: ".") 57 !6 = !DISubroutineType(types: !2) 58 !7 = !{i32 2, !"Dwarf Version", i32 4} 59 !8 = !{i32 1, !"Debug Info Version", i32 3} 60 !9 = !{!"clang version 3.5.0 "} 61 !10 = !DILocation(line: 8, column: 3, scope: !4) 62 !11 = !{!12, !12, i64 0} 63 !12 = !{!"int", !13, i64 0} 64 !13 = !{!"omnipotent char", !14, i64 0} 65 !14 = !{!"Simple C/C++ TBAA"} 66 !15 = !DILocation(line: 17, column: 8, scope: !16) 67 !16 = distinct !DILexicalBlock(line: 17, column: 8, file: !1, scope: !17) 68 !17 = distinct !DILexicalBlock(line: 17, column: 8, file: !1, scope: !18) 69 !18 = distinct !DILexicalBlock(line: 17, column: 3, file: !1, scope: !4) 70 !19 = !DILocation(line: 18, column: 5, scope: !20) 71 !20 = distinct !DILexicalBlock(line: 17, column: 27, file: !1, scope: !18) 72 !21 = !{!13, !13, i64 0} 73 !22 = !DILocation(line: 20, column: 3, scope: !4) 74 !23 = !DILocation(line: 21, column: 3, scope: !4) 75
