| ; Check that BFI is not computed when -pass-remarks-with-hotness is off |
| |
| ; RUN: opt -passes='require<aa>,loop-distribute' -S -pass-remarks-missed=loop-distribute \ |
| ; RUN: -debug-only=block-freq,branch-prob -pass-remarks-with-hotness \ |
| ; RUN: < %s 2>&1 | FileCheck %s --check-prefix=HOTNESS |
| ; RUN: opt -passes='require<aa>,loop-distribute' -S -pass-remarks-missed=loop-distribute \ |
| ; RUN: -debug-only=block-freq,branch-prob \ |
| ; RUN: < %s 2>&1 | FileCheck %s --check-prefix=NO_HOTNESS |
| |
| ; REQUIRES: asserts |
| |
| ; HOTNESS: Branch Probability Info : forced |
| ; HOTNESS: block-frequency: forced |
| ; NO_HOTNESS-NOT: Branch Probability Info : forced |
| ; NO_HOTNESS-NOT: block-frequency: forced |
| |
| ; This is the input program: |
| ; |
| ; 1 void forced (char *A, char *B, char *C, int N) { |
| ; 2 #pragma clang loop distribute(enable) |
| ; 3 for(int i = 0; i < N; i++) { |
| ; 4 A[i] = Bptr C[i]; |
| ; 5 } |
| ; 6 } |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.11.0" |
| |
| |
| define void @forced(ptr %A, ptr %B, ptr %C, i32 %N) !dbg !7 !prof !22 { |
| entry: |
| %cmp12 = icmp sgt i32 %N, 0, !dbg !9 |
| br i1 %cmp12, label %ph, label %for.cond.cleanup, !dbg !10, !prof !23 |
| |
| ph: |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %ph ] |
| %arrayidx = getelementptr inbounds i8, ptr %B, i64 %indvars.iv, !dbg !12 |
| %0 = load i8, ptr %arrayidx, align 1, !dbg !12, !tbaa !13 |
| %arrayidx2 = getelementptr inbounds i8, ptr %C, i64 %indvars.iv, !dbg !16 |
| %1 = load i8, ptr %arrayidx2, align 1, !dbg !16, !tbaa !13 |
| %mul = mul i8 %1, %0, !dbg !17 |
| %arrayidx6 = getelementptr inbounds i8, ptr %A, i64 %indvars.iv, !dbg !18 |
| store i8 %mul, ptr %arrayidx6, align 1, !dbg !19, !tbaa !13 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !10 |
| %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !10 |
| %exitcond = icmp eq i32 %lftr.wideiv, %N, !dbg !10 |
| br i1 %exitcond, label %for.cond.cleanup, label %for.body, !dbg !10, !llvm.loop !20, !prof !24 |
| |
| for.cond.cleanup: |
| ret void, !dbg !11 |
| } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4} |
| |
| !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) |
| !1 = !DIFile(filename: "/tmp/t.c", directory: "/tmp") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 2} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !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) |
| !8 = !DISubroutineType(types: !2) |
| !9 = !DILocation(line: 3, column: 20, scope: !7) |
| !10 = !DILocation(line: 3, column: 3, scope: !7) |
| !11 = !DILocation(line: 6, column: 1, scope: !7) |
| !12 = !DILocation(line: 4, column: 12, scope: !7) |
| !13 = !{!14, !14, i64 0} |
| !14 = !{!"omnipotent char", !15, i64 0} |
| !15 = !{!"Simple C/C++ TBAA"} |
| !16 = !DILocation(line: 4, column: 19, scope: !7) |
| !17 = !DILocation(line: 4, column: 17, scope: !7) |
| !18 = !DILocation(line: 4, column: 5, scope: !7) |
| !19 = !DILocation(line: 4, column: 10, scope: !7) |
| !20 = distinct !{!20, !21} |
| !21 = !{!"llvm.loop.distribute.enable", i1 true} |
| !22 = !{!"function_entry_count", i64 3} |
| !23 = !{!"branch_weights", i32 99, i32 1} |
| !24 = !{!"branch_weights", i32 1, i32 99} |