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1; The purpose of this test is to check that the remark emission analysis result2; stays valid when it can and is invalidated otherwise. The code is just3; 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-mssa(licm)' \8; RUN: -pass-remarks=licm -pass-remarks-with-hotness \9; RUN: | FileCheck %s10;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-mssa(licm)' -debug-pass-manager \14; RUN: -pass-remarks=licm -pass-remarks-with-hotness \15; RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-PM-PRESERVE16;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-mssa(licm)' -debug-pass-manager \20; RUN: -pass-remarks=licm -pass-remarks-with-hotness \21; RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-PM-INVALIDATE22;23; Check that invalidating BFI desn't compute a fresh emitter when we don't24; 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-mssa(licm)' -debug-pass-manager \27; RUN: -pass-remarks=licm \28; RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-PM-NO-INVALIDATE29 30target 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 32define void @hoist(ptr %array, ptr noalias %p) {33; CHECK-PM-PRESERVE: Running analysis: OptimizationRemarkEmitterAnalysis34; CHECK-PM-PRESERVE: Running pass: InstCombinePass35; CHECK-PM-PRESERVE-NOT: Invalidating analysis: OptimizationRemarkEmitterAnalysis36; CHECK-PM-PRESERVE-NOT: Running analysis: OptimizationRemarkEmitterAnalysis37; CHECK-PM-PRESERVE: Running pass: LICMPass38; CHECK-PM-INVALIDATE: Running analysis: OptimizationRemarkEmitterAnalysis39; CHECK-PM-INVALIDATE: Running pass: InvalidateAnalysisPass40; CHECK-PM-INVALIDATE: Invalidating analysis: OptimizationRemarkEmitterAnalysis41; CHECK-PM-INVALIDATE: Running analysis: OptimizationRemarkEmitterAnalysis42; CHECK-PM-INVALIDATE: Running pass: LICMPass43; CHECK-PM-NO-INVALIDATE: Running analysis: OptimizationRemarkEmitterAnalysis44; CHECK-PM-NO-INVALIDATE: Running pass: InvalidateAnalysisPass45; CHECK-PM-NO-INVALIDATE-NOT: Invalidating analysis: OptimizationRemarkEmitterAnalysis46; CHECK-PM-NO-INVALIDATE-NOT: Running analysis: OptimizationRemarkEmitterAnalysis47; CHECK-PM-NO-INVALIDATE: Running pass: LICMPass48 49Entry:50 br label %Loop51 52Loop:53 %j = phi i32 [ 0, %Entry ], [ %Next, %Loop ]54 %addr = getelementptr i32, ptr %array, i32 %j55 %a = load i32, ptr %addr56; CHECK: remark: /tmp/kk.c:2:20: hoisting load57 %b = load i32, ptr %p, !dbg !858 %a2 = add i32 %a, %b59 store i32 %a2, ptr %addr60 %Next = add i32 %j, 161 %cond = icmp eq i32 %Next, 062 br i1 %cond, label %Out, label %Loop63 64Out:65 ret void66}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