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