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81 lines
3.8 KiB
LLVM
81 lines
3.8 KiB
LLVM
; The purpose of this test is to check that the remark emission analysis result
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; stays valid when it can and is invalidated otherwise. The code is just
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; a minimal amount of code to exercise the pass.
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;
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; First make sure we emit remarks on this test case.
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; RUN: opt %s -disable-output -aa-pipeline=basic-aa 2>&1 \
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; RUN: -passes='require<opt-remark-emit>,loop(licm)' \
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; RUN: -pass-remarks=licm -pass-remarks-with-hotness \
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; RUN: | FileCheck %s
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;
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; Check that passes which preserve BFI don't invalidate the emitter.
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; RUN: opt %s -disable-output -aa-pipeline=basic-aa 2>&1 \
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; RUN: -passes='require<opt-remark-emit>,instcombine,require<opt-remark-emit>,loop(licm)' -debug-pass-manager \
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; RUN: -pass-remarks=licm -pass-remarks-with-hotness \
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; RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-PM-PRESERVE
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;
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; Check that invalidating BFI computes a fresh emitter.
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; RUN: opt %s -disable-output -aa-pipeline=basic-aa 2>&1 \
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; RUN: -passes='require<opt-remark-emit>,invalidate<block-freq>,require<opt-remark-emit>,loop(licm)' -debug-pass-manager \
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; RUN: -pass-remarks=licm -pass-remarks-with-hotness \
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; RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-PM-INVALIDATE
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;
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; Check that invalidating BFI desn't compute a fresh emitter when we don't
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; request hotness remarks.
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; RUN: opt %s -disable-output -aa-pipeline=basic-aa 2>&1 \
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; RUN: -passes='require<opt-remark-emit>,invalidate<block-freq>,require<opt-remark-emit>,loop(licm)' -debug-pass-manager \
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; RUN: -pass-remarks=licm \
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; RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-PM-NO-INVALIDATE
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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"
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define void @hoist(i32* %array, i32* noalias %p) {
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; CHECK-PM-PRESERVE: Running analysis: OptimizationRemarkEmitterAnalysis
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; CHECK-PM-PRESERVE: Running pass: InstCombinePass
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; CHECK-PM-PRESERVE-NOT: Invalidating analysis: OptimizationRemarkEmitterAnalysis
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; CHECK-PM-PRESERVE-NOT: Running analysis: OptimizationRemarkEmitterAnalysis
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; CHECK-PM-PRESERVE: Running pass: LICMPass
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; CHECK-PM-INVALIDATE: Running analysis: OptimizationRemarkEmitterAnalysis
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; CHECK-PM-INVALIDATE: Running pass: InvalidateAnalysisPass
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; CHECK-PM-INVALIDATE: Invalidating analysis: OptimizationRemarkEmitterAnalysis
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; CHECK-PM-INVALIDATE: Running analysis: OptimizationRemarkEmitterAnalysis
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; CHECK-PM-INVALIDATE: Running pass: LICMPass
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; CHECK-PM-NO-INVALIDATE: Running analysis: OptimizationRemarkEmitterAnalysis
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; CHECK-PM-NO-INVALIDATE: Running pass: InvalidateAnalysisPass
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; CHECK-PM-NO-INVALIDATE-NOT: Invalidating analysis: OptimizationRemarkEmitterAnalysis
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; CHECK-PM-NO-INVALIDATE-NOT: Running analysis: OptimizationRemarkEmitterAnalysis
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; CHECK-PM-NO-INVALIDATE: Running pass: LICMPass
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Entry:
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br label %Loop
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Loop:
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%j = phi i32 [ 0, %Entry ], [ %Next, %Loop ]
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%addr = getelementptr i32, i32* %array, i32 %j
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%a = load i32, i32* %addr
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; CHECK: remark: /tmp/kk.c:2:20: hoisting load
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%b = load i32, i32* %p, !dbg !8
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%a2 = add i32 %a, %b
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store i32 %a2, i32* %addr
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%Next = add i32 %j, 1
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%cond = icmp eq i32 %Next, 0
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br i1 %cond, label %Out, label %Loop
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Out:
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ret void
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4}
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!llvm.ident = !{!5}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: NoDebug, enums: !2)
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!1 = !DIFile(filename: "/tmp/kk.c", directory: "/tmp")
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!2 = !{}
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!3 = !{i32 2, !"Debug Info Version", i32 3}
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!4 = !{i32 1, !"PIC Level", i32 2}
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!5 = !{!"clang version 3.9.0 "}
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!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, variables: !2)
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!7 = !DISubroutineType(types: !2)
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!8 = !DILocation(line: 2, column: 20, scope: !6)
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