[llvm] r330961 - Enable EliminateAvailableExternally pass for -O1
Vlad Tsyrklevich via llvm-commits
llvm-commits at lists.llvm.org
Thu Apr 26 10:33:24 PDT 2018
Author: vlad.tsyrklevich
Date: Thu Apr 26 10:33:24 2018
New Revision: 330961
URL: http://llvm.org/viewvc/llvm-project?rev=330961&view=rev
Log:
Enable EliminateAvailableExternally pass for -O1
Summary:
Follow-up to D43690, the EliminateAvailableExternally pass currently
runs under -O0 and -O2 and up. Under -O1 we would still want to drop
available_externally symbols to reduce space without inlining having
run.
Reviewers: tejohnson
Reviewed By: tejohnson
Subscribers: mehdi_amini, llvm-commits, kcc
Differential Revision: https://reviews.llvm.org/D46093
Added:
llvm/trunk/test/Other/opt-O1-pipeline.ll
Modified:
llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp
Modified: llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp?rev=330961&r1=330960&r2=330961&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp Thu Apr 26 10:33:24 2018
@@ -523,7 +523,7 @@ void PassManagerBuilder::populateModuleP
if (RunPartialInlining)
MPM.add(createPartialInliningPass());
- if (OptLevel > 1 && !PrepareForLTO && !PrepareForThinLTO)
+ if (!PrepareForLTO && !PrepareForThinLTO)
// Remove avail extern fns and globals definitions if we aren't
// compiling an object file for later LTO. For LTO we want to preserve
// these so they are eligible for inlining at link-time. Note if they
Added: llvm/trunk/test/Other/opt-O1-pipeline.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Other/opt-O1-pipeline.ll?rev=330961&view=auto
==============================================================================
--- llvm/trunk/test/Other/opt-O1-pipeline.ll (added)
+++ llvm/trunk/test/Other/opt-O1-pipeline.ll Thu Apr 26 10:33:24 2018
@@ -0,0 +1,280 @@
+; RUN: opt -mtriple=x86_64-- -O1 -debug-pass=Structure < %s -o /dev/null 2>&1 | FileCheck %s
+
+; REQUIRES: asserts
+
+; CHECK-LABEL: Pass Arguments:
+; CHECK-NEXT: Target Transform Information
+; CHECK-NEXT: Type-Based Alias Analysis
+; CHECK-NEXT: Scoped NoAlias Alias Analysis
+; CHECK-NEXT: Assumption Cache Tracker
+; CHECK-NEXT: Target Library Information
+; CHECK-NEXT: FunctionPass Manager
+; CHECK-NEXT: Module Verifier
+; CHECK-NEXT: Instrument function entry/exit with calls to e.g. mcount() (pre inlining)
+; CHECK-NEXT: Simplify the CFG
+; CHECK-NEXT: Dominator Tree Construction
+; CHECK-NEXT: SROA
+; CHECK-NEXT: Early CSE
+; CHECK-NEXT: Lower 'expect' Intrinsics
+; CHECK-NEXT: Pass Arguments:
+; CHECK-NEXT: Target Library Information
+; CHECK-NEXT: Target Transform Information
+; Target Pass Configuration
+; CHECK: Type-Based Alias Analysis
+; CHECK-NEXT: Scoped NoAlias Alias Analysis
+; CHECK-NEXT: Assumption Cache Tracker
+; CHECK-NEXT: Profile summary info
+; CHECK-NEXT: ModulePass Manager
+; CHECK-NEXT: Force set function attributes
+; CHECK-NEXT: Infer set function attributes
+; CHECK-NEXT: Interprocedural Sparse Conditional Constant Propagation
+; CHECK-NEXT: Called Value Propagation
+; CHECK-NEXT: Global Variable Optimizer
+; CHECK-NEXT: Unnamed pass: implement Pass::getPassName()
+; CHECK-NEXT: FunctionPass Manager
+; CHECK-NEXT: Dominator Tree Construction
+; CHECK-NEXT: Promote Memory to Register
+; CHECK-NEXT: Dead Argument Elimination
+; CHECK-NEXT: FunctionPass Manager
+; CHECK-NEXT: Dominator Tree Construction
+; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
+; CHECK-NEXT: Function Alias Analysis Results
+; CHECK-NEXT: Natural Loop Information
+; CHECK-NEXT: Lazy Branch Probability Analysis
+; CHECK-NEXT: Lazy Block Frequency Analysis
+; CHECK-NEXT: Optimization Remark Emitter
+; CHECK-NEXT: Combine redundant instructions
+; CHECK-NEXT: Simplify the CFG
+; CHECK-NEXT: CallGraph Construction
+; CHECK-NEXT: Globals Alias Analysis
+; CHECK-NEXT: Call Graph SCC Pass Manager
+; CHECK-NEXT: Remove unused exception handling info
+; CHECK-NEXT: Inliner for always_inline functions
+; CHECK-NEXT: Deduce function attributes
+; CHECK-NEXT: FunctionPass Manager
+; CHECK-NEXT: Dominator Tree Construction
+; CHECK-NEXT: SROA
+; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
+; CHECK-NEXT: Function Alias Analysis Results
+; CHECK-NEXT: Memory SSA
+; CHECK-NEXT: Early CSE w/ MemorySSA
+; CHECK-NEXT: Speculatively execute instructions if target has divergent branches
+; CHECK-NEXT: Dominator Tree Construction
+; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
+; CHECK-NEXT: Function Alias Analysis Results
+; CHECK-NEXT: Lazy Value Information Analysis
+; CHECK-NEXT: Jump Threading
+; CHECK-NEXT: Value Propagation
+; CHECK-NEXT: Simplify the CFG
+; CHECK-NEXT: Dominator Tree Construction
+; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
+; CHECK-NEXT: Function Alias Analysis Results
+; CHECK-NEXT: Natural Loop Information
+; CHECK-NEXT: Lazy Branch Probability Analysis
+; CHECK-NEXT: Lazy Block Frequency Analysis
+; CHECK-NEXT: Optimization Remark Emitter
+; CHECK-NEXT: Combine redundant instructions
+; CHECK-NEXT: Conditionally eliminate dead library calls
+; CHECK-NEXT: Natural Loop Information
+; CHECK-NEXT: Branch Probability Analysis
+; CHECK-NEXT: Block Frequency Analysis
+; CHECK-NEXT: Lazy Branch Probability Analysis
+; CHECK-NEXT: Lazy Block Frequency Analysis
+; CHECK-NEXT: Optimization Remark Emitter
+; CHECK-NEXT: PGOMemOPSize
+; CHECK-NEXT: Dominator Tree Construction
+; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
+; CHECK-NEXT: Function Alias Analysis Results
+; CHECK-NEXT: Natural Loop Information
+; CHECK-NEXT: Lazy Branch Probability Analysis
+; CHECK-NEXT: Lazy Block Frequency Analysis
+; CHECK-NEXT: Optimization Remark Emitter
+; CHECK-NEXT: Tail Call Elimination
+; CHECK-NEXT: Simplify the CFG
+; CHECK-NEXT: Reassociate expressions
+; CHECK-NEXT: Dominator Tree Construction
+; CHECK-NEXT: Natural Loop Information
+; CHECK-NEXT: Canonicalize natural loops
+; CHECK-NEXT: LCSSA Verifier
+; CHECK-NEXT: Loop-Closed SSA Form Pass
+; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
+; CHECK-NEXT: Function Alias Analysis Results
+; CHECK-NEXT: Scalar Evolution Analysis
+; CHECK-NEXT: Loop Pass Manager
+; CHECK-NEXT: Rotate Loops
+; CHECK-NEXT: Loop Invariant Code Motion
+; CHECK-NEXT: Unswitch loops
+; CHECK-NEXT: Simplify the CFG
+; CHECK-NEXT: Dominator Tree Construction
+; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
+; CHECK-NEXT: Function Alias Analysis Results
+; CHECK-NEXT: Natural Loop Information
+; CHECK-NEXT: Lazy Branch Probability Analysis
+; CHECK-NEXT: Lazy Block Frequency Analysis
+; CHECK-NEXT: Optimization Remark Emitter
+; CHECK-NEXT: Combine redundant instructions
+; CHECK-NEXT: Canonicalize natural loops
+; CHECK-NEXT: LCSSA Verifier
+; CHECK-NEXT: Loop-Closed SSA Form Pass
+; CHECK-NEXT: Scalar Evolution Analysis
+; CHECK-NEXT: Loop Pass Manager
+; CHECK-NEXT: Induction Variable Simplification
+; CHECK-NEXT: Recognize loop idioms
+; CHECK-NEXT: Delete dead loops
+; CHECK-NEXT: Unroll loops
+; CHECK-NEXT: Memory Dependence Analysis
+; CHECK-NEXT: MemCpy Optimization
+; CHECK-NEXT: Sparse Conditional Constant Propagation
+; CHECK-NEXT: Dominator Tree Construction
+; CHECK-NEXT: Demanded bits analysis
+; CHECK-NEXT: Bit-Tracking Dead Code Elimination
+; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
+; CHECK-NEXT: Function Alias Analysis Results
+; CHECK-NEXT: Natural Loop Information
+; CHECK-NEXT: Lazy Branch Probability Analysis
+; CHECK-NEXT: Lazy Block Frequency Analysis
+; CHECK-NEXT: Optimization Remark Emitter
+; CHECK-NEXT: Combine redundant instructions
+; CHECK-NEXT: Lazy Value Information Analysis
+; CHECK-NEXT: Jump Threading
+; CHECK-NEXT: Value Propagation
+; CHECK-NEXT: Dominator Tree Construction
+; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
+; CHECK-NEXT: Function Alias Analysis Results
+; CHECK-NEXT: Memory Dependence Analysis
+; CHECK-NEXT: Dead Store Elimination
+; CHECK-NEXT: Natural Loop Information
+; CHECK-NEXT: Canonicalize natural loops
+; CHECK-NEXT: LCSSA Verifier
+; CHECK-NEXT: Loop-Closed SSA Form Pass
+; CHECK-NEXT: Function Alias Analysis Results
+; CHECK-NEXT: Scalar Evolution Analysis
+; CHECK-NEXT: Loop Pass Manager
+; CHECK-NEXT: Loop Invariant Code Motion
+; CHECK-NEXT: Post-Dominator Tree Construction
+; CHECK-NEXT: Aggressive Dead Code Elimination
+; CHECK-NEXT: Simplify the CFG
+; CHECK-NEXT: Dominator Tree Construction
+; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
+; CHECK-NEXT: Function Alias Analysis Results
+; CHECK-NEXT: Natural Loop Information
+; CHECK-NEXT: Lazy Branch Probability Analysis
+; CHECK-NEXT: Lazy Block Frequency Analysis
+; CHECK-NEXT: Optimization Remark Emitter
+; CHECK-NEXT: Combine redundant instructions
+; CHECK-NEXT: A No-Op Barrier Pass
+; CHECK-NEXT: Eliminate Available Externally Globals
+; CHECK-NEXT: CallGraph Construction
+; CHECK-NEXT: Deduce function attributes in RPO
+; CHECK-NEXT: Global Variable Optimizer
+; CHECK-NEXT: Unnamed pass: implement Pass::getPassName()
+; CHECK-NEXT: Dead Global Elimination
+; CHECK-NEXT: CallGraph Construction
+; CHECK-NEXT: Globals Alias Analysis
+; CHECK-NEXT: FunctionPass Manager
+; CHECK-NEXT: Float to int
+; CHECK-NEXT: Dominator Tree Construction
+; CHECK-NEXT: Natural Loop Information
+; CHECK-NEXT: Canonicalize natural loops
+; CHECK-NEXT: LCSSA Verifier
+; CHECK-NEXT: Loop-Closed SSA Form Pass
+; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
+; CHECK-NEXT: Function Alias Analysis Results
+; CHECK-NEXT: Scalar Evolution Analysis
+; CHECK-NEXT: Loop Pass Manager
+; CHECK-NEXT: Rotate Loops
+; CHECK-NEXT: Loop Access Analysis
+; CHECK-NEXT: Lazy Branch Probability Analysis
+; CHECK-NEXT: Lazy Block Frequency Analysis
+; CHECK-NEXT: Optimization Remark Emitter
+; CHECK-NEXT: Loop Distribution
+; CHECK-NEXT: Branch Probability Analysis
+; CHECK-NEXT: Block Frequency Analysis
+; CHECK-NEXT: Scalar Evolution Analysis
+; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
+; CHECK-NEXT: Function Alias Analysis Results
+; CHECK-NEXT: Loop Access Analysis
+; CHECK-NEXT: Demanded bits analysis
+; CHECK-NEXT: Lazy Branch Probability Analysis
+; CHECK-NEXT: Lazy Block Frequency Analysis
+; CHECK-NEXT: Optimization Remark Emitter
+; CHECK-NEXT: Loop Vectorization
+; CHECK-NEXT: Canonicalize natural loops
+; CHECK-NEXT: Scalar Evolution Analysis
+; CHECK-NEXT: Function Alias Analysis Results
+; CHECK-NEXT: Loop Access Analysis
+; CHECK-NEXT: Loop Load Elimination
+; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
+; CHECK-NEXT: Function Alias Analysis Results
+; CHECK-NEXT: Lazy Branch Probability Analysis
+; CHECK-NEXT: Lazy Block Frequency Analysis
+; CHECK-NEXT: Optimization Remark Emitter
+; CHECK-NEXT: Combine redundant instructions
+; CHECK-NEXT: Simplify the CFG
+; CHECK-NEXT: Dominator Tree Construction
+; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
+; CHECK-NEXT: Function Alias Analysis Results
+; CHECK-NEXT: Natural Loop Information
+; CHECK-NEXT: Lazy Branch Probability Analysis
+; CHECK-NEXT: Lazy Block Frequency Analysis
+; CHECK-NEXT: Optimization Remark Emitter
+; CHECK-NEXT: Combine redundant instructions
+; CHECK-NEXT: Canonicalize natural loops
+; CHECK-NEXT: LCSSA Verifier
+; CHECK-NEXT: Loop-Closed SSA Form Pass
+; CHECK-NEXT: Scalar Evolution Analysis
+; CHECK-NEXT: Loop Pass Manager
+; CHECK-NEXT: Unroll loops
+; CHECK-NEXT: Lazy Branch Probability Analysis
+; CHECK-NEXT: Lazy Block Frequency Analysis
+; CHECK-NEXT: Optimization Remark Emitter
+; CHECK-NEXT: Combine redundant instructions
+; CHECK-NEXT: Canonicalize natural loops
+; CHECK-NEXT: LCSSA Verifier
+; CHECK-NEXT: Loop-Closed SSA Form Pass
+; CHECK-NEXT: Scalar Evolution Analysis
+; CHECK-NEXT: Loop Pass Manager
+; CHECK-NEXT: Loop Invariant Code Motion
+; CHECK-NEXT: Alignment from assumptions
+; CHECK-NEXT: Strip Unused Function Prototypes
+; CHECK-NEXT: FunctionPass Manager
+; CHECK-NEXT: Dominator Tree Construction
+; CHECK-NEXT: Natural Loop Information
+; CHECK-NEXT: Branch Probability Analysis
+; CHECK-NEXT: Block Frequency Analysis
+; CHECK-NEXT: Canonicalize natural loops
+; CHECK-NEXT: LCSSA Verifier
+; CHECK-NEXT: Loop-Closed SSA Form Pass
+; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
+; CHECK-NEXT: Function Alias Analysis Results
+; CHECK-NEXT: Scalar Evolution Analysis
+; CHECK-NEXT: Branch Probability Analysis
+; CHECK-NEXT: Block Frequency Analysis
+; CHECK-NEXT: Loop Pass Manager
+; CHECK-NEXT: Loop Sink
+; CHECK-NEXT: Lazy Branch Probability Analysis
+; CHECK-NEXT: Lazy Block Frequency Analysis
+; CHECK-NEXT: Optimization Remark Emitter
+; CHECK-NEXT: Remove redundant instructions
+; CHECK-NEXT: Hoist/decompose integer division and remainder
+; CHECK-NEXT: Simplify the CFG
+; CHECK-NEXT: Module Verifier
+; CHECK-NEXT: Bitcode Writer
+; CHECK-NEXT: Pass Arguments:
+; CHECK-NEXT: Target Library Information
+; CHECK-NEXT: FunctionPass Manager
+; CHECK-NEXT: Dominator Tree Construction
+; CHECK-NEXT: Natural Loop Information
+; CHECK-NEXT: Branch Probability Analysis
+; CHECK-NEXT: Block Frequency Analysis
+; CHECK-NEXT: Pass Arguments:
+; CHECK-NEXT: Target Library Information
+; CHECK-NEXT: FunctionPass Manager
+; CHECK-NEXT: Dominator Tree Construction
+; CHECK-NEXT: Natural Loop Information
+; CHECK-NEXT: Branch Probability Analysis
+; CHECK-NEXT: Block Frequency Analysis
+
+define void @f() {
+ ret void
+}
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