llvm/test/Other/new-pass-manager.ll
Chandler Carruth 67a41f0919 [PM/AA] Teach the new pass manager to use pass-by-lambda for registering
analysis passes, support pre-registering analyses, and use that to
implement parsing and pre-registering a custom alias analysis pipeline.

With this its possible to configure the particular alias analysis
pipeline used by the AAManager from the commandline of opt. I've updated
the test to show this effectively in use to build a pipeline including
basic-aa as part of it.

My big question for reviewers are around the APIs that are used to
expose this functionality. Are folks happy with pass-by-lambda to do
pass registration? Are folks happy with pre-registering analyses as
a way to inject customized instances of an analysis while still using
the registry for the general case?

Other thoughts of course welcome. The next round of patches will be to
add the rest of the alias analyses into the new pass manager and wire
them up here so that they can be used from opt. This will require
extending the (somewhate limited) functionality of AAManager w.r.t.
module passes.

Differential Revision: http://reviews.llvm.org/D17259

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@261197 91177308-0d34-0410-b5e6-96231b3b80d8
2016-02-18 09:45:17 +00:00

323 lines
17 KiB
LLVM

; This test is essentially doing very basic things with the opt tool and the
; new pass manager pipeline. It will be used to flesh out the feature
; completeness of the opt tool when the new pass manager is engaged. The tests
; may not be useful once it becomes the default or may get spread out into other
; files, but for now this is just going to step the new process through its
; paces.
; RUN: opt -disable-output -disable-verify -debug-pass-manager \
; RUN: -passes=no-op-module %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-MODULE-PASS
; CHECK-MODULE-PASS: Starting pass manager
; CHECK-MODULE-PASS-NEXT: Running pass: NoOpModulePass
; CHECK-MODULE-PASS-NEXT: Finished pass manager
; RUN: opt -disable-output -disable-verify -debug-pass-manager \
; RUN: -passes=no-op-cgscc %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-CGSCC-PASS
; RUN: opt -disable-output -disable-verify -debug-pass-manager \
; RUN: -passes='cgscc(no-op-cgscc)' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-CGSCC-PASS
; CHECK-CGSCC-PASS: Starting pass manager
; CHECK-CGSCC-PASS-NEXT: Running pass: ModuleToPostOrderCGSCCPassAdaptor
; CHECK-CGSCC-PASS-NEXT: Running analysis: CGSCCAnalysisManagerModuleProxy
; CHECK-CGSCC-PASS-NEXT: Running analysis: Lazy CallGraph Analysis
; CHECK-CGSCC-PASS-NEXT: Starting pass manager
; CHECK-CGSCC-PASS-NEXT: Running pass: NoOpCGSCCPass
; CHECK-CGSCC-PASS-NEXT: Finished pass manager
; CHECK-CGSCC-PASS-NEXT: Finished pass manager
; RUN: opt -disable-output -disable-verify -debug-pass-manager \
; RUN: -passes=no-op-function %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-FUNCTION-PASS
; RUN: opt -disable-output -disable-verify -debug-pass-manager \
; RUN: -passes='function(no-op-function)' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-FUNCTION-PASS
; CHECK-FUNCTION-PASS: Starting pass manager
; CHECK-FUNCTION-PASS-NEXT: Running pass: ModuleToFunctionPassAdaptor
; CHECK-FUNCTION-PASS-NEXT: Running analysis: FunctionAnalysisManagerModuleProxy
; CHECK-FUNCTION-PASS-NEXT: Starting pass manager
; CHECK-FUNCTION-PASS-NEXT: Running pass: NoOpFunctionPass
; CHECK-FUNCTION-PASS-NEXT: Finished pass manager
; CHECK-FUNCTION-PASS-NEXT: Finished pass manager
; RUN: opt -disable-output -debug-pass-manager -passes=print %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-MODULE-PRINT
; CHECK-MODULE-PRINT: Starting pass manager
; CHECK-MODULE-PRINT: Running pass: VerifierPass
; CHECK-MODULE-PRINT: Running pass: PrintModulePass
; CHECK-MODULE-PRINT: ModuleID
; CHECK-MODULE-PRINT: define void @foo()
; CHECK-MODULE-PRINT: Running pass: VerifierPass
; CHECK-MODULE-PRINT: Finished pass manager
; RUN: opt -disable-output -debug-pass-manager -disable-verify -passes='print,verify' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-MODULE-VERIFY
; CHECK-MODULE-VERIFY: Starting pass manager
; CHECK-MODULE-VERIFY: Running pass: PrintModulePass
; CHECK-MODULE-VERIFY: ModuleID
; CHECK-MODULE-VERIFY: define void @foo()
; CHECK-MODULE-VERIFY: Running pass: VerifierPass
; CHECK-MODULE-VERIFY: Finished pass manager
; RUN: opt -disable-output -debug-pass-manager -passes='function(print)' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-FUNCTION-PRINT
; CHECK-FUNCTION-PRINT: Starting pass manager
; CHECK-FUNCTION-PRINT: Running pass: VerifierPass
; CHECK-FUNCTION-PRINT: Running pass: ModuleToFunctionPassAdaptor
; CHECK-FUNCTION-PRINT: Running analysis: FunctionAnalysisManagerModuleProxy
; CHECK-FUNCTION-PRINT: Starting pass manager
; CHECK-FUNCTION-PRINT: Running pass: PrintFunctionPass
; CHECK-FUNCTION-PRINT-NOT: ModuleID
; CHECK-FUNCTION-PRINT: define void @foo()
; CHECK-FUNCTION-PRINT: Finished pass manager
; CHECK-FUNCTION-PRINT: Running pass: VerifierPass
; CHECK-FUNCTION-PRINT: Finished pass manager
; RUN: opt -disable-output -debug-pass-manager -disable-verify -passes='function(print,verify)' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-FUNCTION-VERIFY
; CHECK-FUNCTION-VERIFY: Starting pass manager
; CHECK-FUNCTION-VERIFY: Starting pass manager
; CHECK-FUNCTION-VERIFY: Running pass: PrintFunctionPass
; CHECK-FUNCTION-VERIFY-NOT: ModuleID
; CHECK-FUNCTION-VERIFY: define void @foo()
; CHECK-FUNCTION-VERIFY: Running pass: VerifierPass
; CHECK-FUNCTION-VERIFY: Finished pass manager
; CHECK-FUNCTION-VERIFY: Finished pass manager
; RUN: opt -S -o - -passes='no-op-module,no-op-module' %s \
; RUN: | FileCheck %s --check-prefix=CHECK-NOOP
; CHECK-NOOP: define void @foo() {
; CHECK-NOOP: ret void
; CHECK-NOOP: }
; Round trip through bitcode.
; RUN: opt -f -o - -passes='no-op-module,no-op-module' %s \
; RUN: | llvm-dis \
; RUN: | FileCheck %s --check-prefix=CHECK-NOOP
; RUN: opt -disable-output -debug-pass-manager -verify-each -passes='no-op-module,function(no-op-function)' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-VERIFY-EACH
; CHECK-VERIFY-EACH: Starting pass manager
; CHECK-VERIFY-EACH: Running pass: VerifierPass
; CHECK-VERIFY-EACH: Running pass: NoOpModulePass
; CHECK-VERIFY-EACH: Running pass: VerifierPass
; CHECK-VERIFY-EACH: Starting pass manager
; CHECK-VERIFY-EACH: Running pass: NoOpFunctionPass
; CHECK-VERIFY-EACH: Running pass: VerifierPass
; CHECK-VERIFY-EACH: Finished pass manager
; CHECK-VERIFY-EACH: Running pass: VerifierPass
; CHECK-VERIFY-EACH: Finished pass manager
; RUN: opt -disable-output -debug-pass-manager -disable-verify -passes='no-op-module,function(no-op-function)' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-NO-VERIFY
; CHECK-NO-VERIFY: Starting pass manager
; CHECK-NO-VERIFY-NOT: VerifierPass
; CHECK-NO-VERIFY: Running pass: NoOpModulePass
; CHECK-NO-VERIFY-NOT: VerifierPass
; CHECK-NO-VERIFY: Starting pass manager
; CHECK-NO-VERIFY: Running pass: NoOpFunctionPass
; CHECK-NO-VERIFY-NOT: VerifierPass
; CHECK-NO-VERIFY: Finished pass manager
; CHECK-NO-VERIFY-NOT: VerifierPass
; CHECK-NO-VERIFY: Finished pass manager
; RUN: opt -disable-output -debug-pass-manager \
; RUN: -passes='require<no-op-module>,cgscc(require<no-op-cgscc>,function(require<no-op-function>))' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-ANALYSES
; CHECK-ANALYSES: Starting pass manager
; CHECK-ANALYSES: Running pass: RequireAnalysisPass
; CHECK-ANALYSES: Running analysis: NoOpModuleAnalysis
; CHECK-ANALYSES: Starting pass manager
; CHECK-ANALYSES: Running pass: RequireAnalysisPass
; CHECK-ANALYSES: Running analysis: NoOpCGSCCAnalysis
; CHECK-ANALYSES: Starting pass manager
; CHECK-ANALYSES: Running pass: RequireAnalysisPass
; CHECK-ANALYSES: Running analysis: NoOpFunctionAnalysis
; Make sure no-op passes that preserve all analyses don't even try to do any
; analysis invalidation.
; RUN: opt -disable-output -debug-pass-manager \
; RUN: -passes='require<no-op-module>,cgscc(require<no-op-cgscc>,function(require<no-op-function>))' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-NO-OP-INVALIDATION
; CHECK-NO-OP-INVALIDATION: Starting pass manager
; CHECK-NO-OP-INVALIDATION-NOT: Invalidating all non-preserved analyses
; RUN: opt -disable-output -debug-pass-manager \
; RUN: -passes='require<no-op-module>,require<no-op-module>,require<no-op-module>' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-DO-CACHE-MODULE-ANALYSIS-RESULTS
; CHECK-DO-CACHE-MODULE-ANALYSIS-RESULTS: Starting pass manager
; CHECK-DO-CACHE-MODULE-ANALYSIS-RESULTS: Running pass: RequireAnalysisPass
; CHECK-DO-CACHE-MODULE-ANALYSIS-RESULTS: Running analysis: NoOpModuleAnalysis
; CHECK-DO-CACHE-MODULE-ANALYSIS-RESULTS-NOT: Running analysis: NoOpModuleAnalysis
; RUN: opt -disable-output -debug-pass-manager \
; RUN: -passes='require<no-op-module>,invalidate<no-op-module>,require<no-op-module>' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-DO-INVALIDATE-MODULE-ANALYSIS-RESULTS
; CHECK-DO-INVALIDATE-MODULE-ANALYSIS-RESULTS: Starting pass manager
; CHECK-DO-INVALIDATE-MODULE-ANALYSIS-RESULTS: Running pass: RequireAnalysisPass
; CHECK-DO-INVALIDATE-MODULE-ANALYSIS-RESULTS: Running analysis: NoOpModuleAnalysis
; CHECK-DO-INVALIDATE-MODULE-ANALYSIS-RESULTS: Invalidating analysis: NoOpModuleAnalysis
; CHECK-DO-INVALIDATE-MODULE-ANALYSIS-RESULTS: Running analysis: NoOpModuleAnalysis
; RUN: opt -disable-output -debug-pass-manager \
; RUN: -passes='cgscc(require<no-op-cgscc>,require<no-op-cgscc>,require<no-op-cgscc>)' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-DO-CACHE-CGSCC-ANALYSIS-RESULTS
; CHECK-DO-CACHE-CGSCC-ANALYSIS-RESULTS: Starting pass manager
; CHECK-DO-CACHE-CGSCC-ANALYSIS-RESULTS: Running pass: RequireAnalysisPass
; CHECK-DO-CACHE-CGSCC-ANALYSIS-RESULTS: Running analysis: NoOpCGSCCAnalysis
; CHECK-DO-CACHE-CGSCC-ANALYSIS-RESULTS-NOT: Running analysis: NoOpCGSCCAnalysis
; RUN: opt -disable-output -debug-pass-manager \
; RUN: -passes='cgscc(require<no-op-cgscc>,invalidate<no-op-cgscc>,require<no-op-cgscc>)' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-DO-INVALIDATE-CGSCC-ANALYSIS-RESULTS
; CHECK-DO-INVALIDATE-CGSCC-ANALYSIS-RESULTS: Starting pass manager
; CHECK-DO-INVALIDATE-CGSCC-ANALYSIS-RESULTS: Running pass: RequireAnalysisPass
; CHECK-DO-INVALIDATE-CGSCC-ANALYSIS-RESULTS: Running analysis: NoOpCGSCCAnalysis
; CHECK-DO-INVALIDATE-CGSCC-ANALYSIS-RESULTS: Invalidating analysis: NoOpCGSCCAnalysis
; CHECK-DO-INVALIDATE-CGSCC-ANALYSIS-RESULTS: Running analysis: NoOpCGSCCAnalysis
; RUN: opt -disable-output -debug-pass-manager \
; RUN: -passes='function(require<no-op-function>,require<no-op-function>,require<no-op-function>)' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-DO-CACHE-FUNCTION-ANALYSIS-RESULTS
; CHECK-DO-CACHE-FUNCTION-ANALYSIS-RESULTS: Starting pass manager
; CHECK-DO-CACHE-FUNCTION-ANALYSIS-RESULTS: Running pass: RequireAnalysisPass
; CHECK-DO-CACHE-FUNCTION-ANALYSIS-RESULTS: Running analysis: NoOpFunctionAnalysis
; CHECK-DO-CACHE-FUNCTION-ANALYSIS-RESULTS-NOT: Running analysis: NoOpFunctionAnalysis
; RUN: opt -disable-output -debug-pass-manager \
; RUN: -passes='function(require<no-op-function>,invalidate<no-op-function>,require<no-op-function>)' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-DO-INVALIDATE-FUNCTION-ANALYSIS-RESULTS
; CHECK-DO-INVALIDATE-FUNCTION-ANALYSIS-RESULTS: Starting pass manager
; CHECK-DO-INVALIDATE-FUNCTION-ANALYSIS-RESULTS: Running pass: RequireAnalysisPass
; CHECK-DO-INVALIDATE-FUNCTION-ANALYSIS-RESULTS: Running analysis: NoOpFunctionAnalysis
; CHECK-DO-INVALIDATE-FUNCTION-ANALYSIS-RESULTS: Invalidating analysis: NoOpFunctionAnalysis
; CHECK-DO-INVALIDATE-FUNCTION-ANALYSIS-RESULTS: Running analysis: NoOpFunctionAnalysis
; RUN: opt -disable-output -disable-verify -debug-pass-manager \
; RUN: -passes='require<no-op-module>,module(require<no-op-module>,function(require<no-op-function>,invalidate<all>,require<no-op-function>),require<no-op-module>),require<no-op-module>' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-INVALIDATE-ALL
; CHECK-INVALIDATE-ALL: Starting pass manager
; CHECK-INVALIDATE-ALL: Running pass: RequireAnalysisPass
; CHECK-INVALIDATE-ALL: Running analysis: NoOpModuleAnalysis
; CHECK-INVALIDATE-ALL: Starting pass manager
; CHECK-INVALIDATE-ALL: Running pass: RequireAnalysisPass
; CHECK-INVALIDATE-ALL-NOT: Running analysis: NoOpModuleAnalysis
; CHECK-INVALIDATE-ALL: Starting pass manager
; CHECK-INVALIDATE-ALL: Running pass: RequireAnalysisPass
; CHECK-INVALIDATE-ALL: Running analysis: NoOpFunctionAnalysis
; CHECK-INVALIDATE-ALL: Running pass: InvalidateAllAnalysesPass
; CHECK-INVALIDATE-ALL: Invalidating all non-preserved analyses
; CHECK-INVALIDATE-ALL: Invalidating analysis: NoOpFunctionAnalysis
; CHECK-INVALIDATE-ALL: Running pass: RequireAnalysisPass
; CHECK-INVALIDATE-ALL: Running analysis: NoOpFunctionAnalysis
; CHECK-INVALIDATE-ALL: Finished pass manager
; CHECK-INVALIDATE-ALL: Invalidating all non-preserved analyses
; CHECK-INVALIDATE-ALL-NOT: Running analysis: NoOpFunctionAnalysis
; CHECK-INVALIDATE-ALL: Invalidating all non-preserved analyses
; CHECK-INVALIDATE-ALL: Invalidating analysis: NoOpModuleAnalysis
; CHECK-INVALIDATE-ALL: Running pass: RequireAnalysisPass
; CHECK-INVALIDATE-ALL: Running analysis: NoOpModuleAnalysis
; CHECK-INVALIDATE-ALL: Finished pass manager
; CHECK-INVALIDATE-ALL: Invalidating all non-preserved analyses
; CHECK-INVALIDATE-ALL-NOT: Invalidating analysis: NoOpModuleAnalysis
; CHECK-INVALIDATE-ALL: Running pass: RequireAnalysisPass
; CHECK-INVALIDATE-ALL-NOT: Running analysis: NoOpModuleAnalysis
; CHECK-INVALIDATE-ALL: Finished pass manager
; RUN: opt -disable-output -disable-verify -debug-pass-manager \
; RUN: -passes='require<no-op-module>,module(require<no-op-module>,cgscc(require<no-op-cgscc>,function(require<no-op-function>,invalidate<all>,require<no-op-function>),require<no-op-cgscc>),require<no-op-module>),require<no-op-module>' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-INVALIDATE-ALL-CG
; CHECK-INVALIDATE-ALL-CG: Starting pass manager
; CHECK-INVALIDATE-ALL-CG: Running pass: RequireAnalysisPass
; CHECK-INVALIDATE-ALL-CG: Running analysis: NoOpModuleAnalysis
; CHECK-INVALIDATE-ALL-CG: Starting pass manager
; CHECK-INVALIDATE-ALL-CG: Running pass: RequireAnalysisPass
; CHECK-INVALIDATE-ALL-CG-NOT: Running analysis: NoOpModuleAnalysis
; CHECK-INVALIDATE-ALL-CG: Starting pass manager
; CHECK-INVALIDATE-ALL-CG: Running pass: RequireAnalysisPass
; CHECK-INVALIDATE-ALL-CG: Running analysis: NoOpCGSCCAnalysis
; CHECK-INVALIDATE-ALL-CG: Starting pass manager
; CHECK-INVALIDATE-ALL-CG: Running pass: RequireAnalysisPass
; CHECK-INVALIDATE-ALL-CG: Running analysis: NoOpFunctionAnalysis
; CHECK-INVALIDATE-ALL-CG: Running pass: InvalidateAllAnalysesPass
; CHECK-INVALIDATE-ALL-CG: Invalidating all non-preserved analyses
; CHECK-INVALIDATE-ALL-CG: Invalidating analysis: NoOpFunctionAnalysis
; CHECK-INVALIDATE-ALL-CG: Running pass: RequireAnalysisPass
; CHECK-INVALIDATE-ALL-CG: Running analysis: NoOpFunctionAnalysis
; CHECK-INVALIDATE-ALL-CG: Finished pass manager
; CHECK-INVALIDATE-ALL-CG: Invalidating all non-preserved analyses
; CHECK-INVALIDATE-ALL-CG-NOT: Running analysis: NoOpFunctionAnalysis
; CHECK-INVALIDATE-ALL-CG: Invalidating all non-preserved analyses
; CHECK-INVALIDATE-ALL-CG: Invalidating analysis: NoOpCGSCCAnalysis
; CHECK-INVALIDATE-ALL-CG: Running pass: RequireAnalysisPass
; CHECK-INVALIDATE-ALL-CG: Running analysis: NoOpCGSCCAnalysis
; CHECK-INVALIDATE-ALL-CG: Finished pass manager
; CHECK-INVALIDATE-ALL-CG: Invalidating all non-preserved analyses
; CHECK-INVALIDATE-ALL-CG-NOT: Invalidating analysis: NoOpCGSCCAnalysis
; CHECK-INVALIDATE-ALL-CG: Invalidating all non-preserved analyses
; CHECK-INVALIDATE-ALL-CG: Invalidating analysis: NoOpModuleAnalysis
; CHECK-INVALIDATE-ALL-CG: Running pass: RequireAnalysisPass
; CHECK-INVALIDATE-ALL-CG: Running analysis: NoOpModuleAnalysis
; CHECK-INVALIDATE-ALL-CG: Finished pass manager
; CHECK-INVALIDATE-ALL-CG: Invalidating all non-preserved analyses
; CHECK-INVALIDATE-ALL-CG-NOT: Invalidating analysis: NoOpModuleAnalysis
; CHECK-INVALIDATE-ALL-CG: Running pass: RequireAnalysisPass
; CHECK-INVALIDATE-ALL-CG-NOT: Running analysis: NoOpModuleAnalysis
; CHECK-INVALIDATE-ALL-CG: Finished pass manager
; RUN: opt -disable-output -disable-verify -debug-pass-manager %s 2>&1 \
; RUN: -passes='require<targetlibinfo>,invalidate<all>,require<targetlibinfo>' \
; RUN: | FileCheck %s --check-prefix=CHECK-TLI
; CHECK-TLI: Starting pass manager
; CHECK-TLI: Running pass: RequireAnalysisPass
; CHECK-TLI: Running analysis: TargetLibraryAnalysis
; CHECK-TLI: Running pass: InvalidateAllAnalysesPass
; CHECK-TLI-NOT: Invalidating analysis: TargetLibraryAnalysis
; CHECK-TLI: Running pass: RequireAnalysisPass
; CHECK-TLI-NOT: Running analysis: TargetLibraryAnalysis
; CHECK-TLI: Finished pass manager
; RUN: opt -disable-output -disable-verify -debug-pass-manager %s 2>&1 \
; RUN: -passes='require<targetir>,invalidate<all>,require<targetir>' \
; RUN: | FileCheck %s --check-prefix=CHECK-TIRA
; CHECK-TIRA: Starting pass manager
; CHECK-TIRA: Running pass: RequireAnalysisPass
; CHECK-TIRA: Running analysis: TargetIRAnalysis
; CHECK-TIRA: Running pass: InvalidateAllAnalysesPass
; CHECK-TIRA-NOT: Invalidating analysis: TargetIRAnalysis
; CHECK-TIRA: Running pass: RequireAnalysisPass
; CHECK-TIRA-NOT: Running analysis: TargetIRAnalysis
; CHECK-TIRA: Finished pass manager
; RUN: opt -disable-output -disable-verify -debug-pass-manager %s 2>&1 \
; RUN: -passes='require<domtree>' \
; RUN: | FileCheck %s --check-prefix=CHECK-DT
; CHECK-DT: Starting pass manager
; CHECK-DT: Running pass: RequireAnalysisPass
; CHECK-DT: Running analysis: DominatorTreeAnalysis
; CHECK-DT: Finished pass manager
; RUN: opt -disable-output -disable-verify -debug-pass-manager %s 2>&1 \
; RUN: -passes='require<basic-aa>' \
; RUN: | FileCheck %s --check-prefix=CHECK-BASIC-AA
; CHECK-BASIC-AA: Starting pass manager
; CHECK-BASIC-AA: Running pass: RequireAnalysisPass
; CHECK-BASIC-AA: Running analysis: BasicAA
; CHECK-BASIC-AA: Finished pass manager
; RUN: opt -disable-output -disable-verify -debug-pass-manager %s 2>&1 \
; RUN: -passes='require<aa>' -aa-pipeline='basic-aa' \
; RUN: | FileCheck %s --check-prefix=CHECK-AA
; CHECK-AA: Starting pass manager
; CHECK-AA: Running pass: RequireAnalysisPass
; CHECK-AA: Running analysis: AAManager
; CHECK-AA: Running analysis: BasicAA
; CHECK-AA: Finished pass manager
define void @foo() {
ret void
}
declare void @bar()