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1; RUN: opt -passes=loop-simplify,loop-distribute -enable-loop-distribute -S -pass-remarks-missed=loop-distribute \2; RUN: -pass-remarks-analysis=loop-distribute \3; RUN: -pass-remarks-with-hotness < %s 2>&1 | FileCheck %s --check-prefix=HOTNESS4; RUN: opt -passes=loop-simplify,loop-distribute -enable-loop-distribute -S -pass-remarks-missed=loop-distribute \5; RUN: -pass-remarks-analysis=loop-distribute \6; RUN: < %s 2>&1 | FileCheck %s --check-prefix=NO_HOTNESS7 8; RUN: opt -passes='loop-simplify,require<aa>,loop-distribute' -S -pass-remarks-missed=loop-distribute \9; RUN: -pass-remarks-analysis=loop-distribute \10; RUN: -pass-remarks-with-hotness < %s 2>&1 | FileCheck %s --check-prefix=HOTNESS11; RUN: opt -passes='loop-simplify,require<aa>,loop-distribute' -S -pass-remarks-missed=loop-distribute \12; RUN: -pass-remarks-analysis=loop-distribute \13; RUN: < %s 2>&1 | FileCheck %s --check-prefix=NO_HOTNESS14 15; This is the input program:16;17; 1 void forced (char *A, char *B, char *C, int N) {18; 2 #pragma clang loop distribute(enable)19; 3 for(int i = 0; i < N; i++) {20; 4 A[i] = B[i] * C[i];21; 5 }22; 6 }23 24; HOTNESS: remark: /tmp/t.c:3:3: loop not distributed: use -Rpass-analysis=loop-distribute for more info (hotness: 300)25; HOTNESS: remark: /tmp/t.c:3:3: loop not distributed: memory operations are safe for vectorization (hotness: 300)26; NO_HOTNESS: remark: /tmp/t.c:3:3: loop not distributed: use -Rpass-analysis=loop-distribute for more info{{$}}27; NO_HOTNESS: remark: /tmp/t.c:3:3: loop not distributed: memory operations are safe for vectorization{{$}}28 29define void @forced(ptr %A, ptr %B, ptr %C, i32 %N) !dbg !7 !prof !22 {30entry:31 %cmp12 = icmp sgt i32 %N, 0, !dbg !932 br i1 %cmp12, label %ph, label %for.cond.cleanup, !dbg !10, !prof !2333 34ph:35 br label %for.body36 37for.body:38 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %ph ]39 %arrayidx = getelementptr inbounds i8, ptr %B, i64 %indvars.iv, !dbg !1240 %0 = load i8, ptr %arrayidx, align 1, !dbg !12, !tbaa !1341 %arrayidx2 = getelementptr inbounds i8, ptr %C, i64 %indvars.iv, !dbg !1642 %1 = load i8, ptr %arrayidx2, align 1, !dbg !16, !tbaa !1343 %mul = mul i8 %1, %0, !dbg !1744 %arrayidx6 = getelementptr inbounds i8, ptr %A, i64 %indvars.iv, !dbg !1845 store i8 %mul, ptr %arrayidx6, align 1, !dbg !19, !tbaa !1346 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !1047 %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !1048 %exitcond = icmp eq i32 %lftr.wideiv, %N, !dbg !1049 br i1 %exitcond, label %for.cond.cleanup, label %for.body, !dbg !10, !llvm.loop !20, !prof !2450 51for.cond.cleanup:52 ret void, !dbg !1153}54 55!llvm.dbg.cu = !{!0}56!llvm.module.flags = !{!3, !4}57 58!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 (trunk 267633) (llvm/trunk 267675)", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2)59!1 = !DIFile(filename: "/tmp/t.c", directory: "/tmp")60!2 = !{}61!3 = !{i32 2, !"Dwarf Version", i32 2}62!4 = !{i32 2, !"Debug Info Version", i32 3}63!7 = distinct !DISubprogram(name: "forced", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2)64!8 = !DISubroutineType(types: !2)65!9 = !DILocation(line: 3, column: 20, scope: !7)66!10 = !DILocation(line: 3, column: 3, scope: !7)67!11 = !DILocation(line: 6, column: 1, scope: !7)68!12 = !DILocation(line: 4, column: 12, scope: !7)69!13 = !{!14, !14, i64 0}70!14 = !{!"omnipotent char", !15, i64 0}71!15 = !{!"Simple C/C++ TBAA"}72!16 = !DILocation(line: 4, column: 19, scope: !7)73!17 = !DILocation(line: 4, column: 17, scope: !7)74!18 = !DILocation(line: 4, column: 5, scope: !7)75!19 = !DILocation(line: 4, column: 10, scope: !7)76!20 = distinct !{!20, !21}77!21 = !{!"llvm.loop.distribute.enable", i1 true}78!22 = !{!"function_entry_count", i64 3}79!23 = !{!"branch_weights", i32 2000, i32 1}80!24 = !{!"branch_weights", i32 1, i32 99}81