1 ; The purpose of this test is to check that the remark emission analysis result 2 ; stays valid when it can and is invalidated otherwise. The code is just 3 ; a minimal amount of code to exercise the pass. 4 ; 5 ; First make sure we emit remarks on this test case. 6 ; RUN: opt %s -disable-output -aa-pipeline=basic-aa 2>&1 \ 7 ; RUN: -passes='require<opt-remark-emit>,loop(licm)' \ 8 ; RUN: -pass-remarks=licm -pass-remarks-with-hotness \ 9 ; RUN: | FileCheck %s 10 ; 11 ; Check that passes which preserve BFI don't invalidate the emitter. 12 ; RUN: opt %s -disable-output -aa-pipeline=basic-aa 2>&1 \ 13 ; RUN: -passes='require<opt-remark-emit>,instcombine,require<opt-remark-emit>,loop(licm)' -debug-pass-manager \ 14 ; RUN: -pass-remarks=licm -pass-remarks-with-hotness \ 15 ; RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-PM-PRESERVE 16 ; 17 ; Check that invalidating BFI computes a fresh emitter. 18 ; RUN: opt %s -disable-output -aa-pipeline=basic-aa 2>&1 \ 19 ; RUN: -passes='require<opt-remark-emit>,invalidate<block-freq>,require<opt-remark-emit>,loop(licm)' -debug-pass-manager \ 20 ; RUN: -pass-remarks=licm -pass-remarks-with-hotness \ 21 ; RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-PM-INVALIDATE 22 ; 23 ; Check that invalidating BFI desn't compute a fresh emitter when we don't 24 ; request hotness remarks. 25 ; RUN: opt %s -disable-output -aa-pipeline=basic-aa 2>&1 \ 26 ; RUN: -passes='require<opt-remark-emit>,invalidate<block-freq>,require<opt-remark-emit>,loop(licm)' -debug-pass-manager \ 27 ; RUN: -pass-remarks=licm \ 28 ; RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-PM-NO-INVALIDATE 29 30 target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128" 31 32 define void @hoist(i32* %array, i32* noalias %p) { 33 ; CHECK-PM-PRESERVE: Running analysis: OptimizationRemarkEmitterAnalysis 34 ; CHECK-PM-PRESERVE: Running pass: InstCombinePass 35 ; CHECK-PM-PRESERVE-NOT: Invalidating analysis: OptimizationRemarkEmitterAnalysis 36 ; CHECK-PM-PRESERVE-NOT: Running analysis: OptimizationRemarkEmitterAnalysis 37 ; CHECK-PM-PRESERVE: Running pass: LICMPass 38 ; CHECK-PM-INVALIDATE: Running analysis: OptimizationRemarkEmitterAnalysis 39 ; CHECK-PM-INVALIDATE: Running pass: InvalidateAnalysisPass 40 ; CHECK-PM-INVALIDATE: Invalidating analysis: OptimizationRemarkEmitterAnalysis 41 ; CHECK-PM-INVALIDATE: Running analysis: OptimizationRemarkEmitterAnalysis 42 ; CHECK-PM-INVALIDATE: Running pass: LICMPass 43 ; CHECK-PM-NO-INVALIDATE: Running analysis: OptimizationRemarkEmitterAnalysis 44 ; CHECK-PM-NO-INVALIDATE: Running pass: InvalidateAnalysisPass 45 ; CHECK-PM-NO-INVALIDATE-NOT: Invalidating analysis: OptimizationRemarkEmitterAnalysis 46 ; CHECK-PM-NO-INVALIDATE-NOT: Running analysis: OptimizationRemarkEmitterAnalysis 47 ; CHECK-PM-NO-INVALIDATE: Running pass: LICMPass 48 49 Entry: 50 br label %Loop 51 52 Loop: 53 %j = phi i32 [ 0, %Entry ], [ %Next, %Loop ] 54 %addr = getelementptr i32, i32* %array, i32 %j 55 %a = load i32, i32* %addr 56 ; CHECK: remark: /tmp/kk.c:2:20: hoisting load 57 %b = load i32, i32* %p, !dbg !8 58 %a2 = add i32 %a, %b 59 store i32 %a2, i32* %addr 60 %Next = add i32 %j, 1 61 %cond = icmp eq i32 %Next, 0 62 br i1 %cond, label %Out, label %Loop 63 64 Out: 65 ret void 66 } 67 68 !llvm.dbg.cu = !{!0} 69 !llvm.module.flags = !{!3, !4} 70 !llvm.ident = !{!5} 71 72 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: NoDebug, enums: !2) 73 !1 = !DIFile(filename: "/tmp/kk.c", directory: "/tmp") 74 !2 = !{} 75 !3 = !{i32 2, !"Debug Info Version", i32 3} 76 !4 = !{i32 1, !"PIC Level", i32 2} 77 !5 = !{!"clang version 3.9.0 "} 78 !6 = distinct !DISubprogram(name: "success", scope: !1, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2) 79 !7 = !DISubroutineType(types: !2) 80 !8 = !DILocation(line: 2, column: 20, scope: !6) 81
