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https://github.com/RPCS3/llvm-mirror.git
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8f04b72eb3
The initial placement of vector-combine in the opt pipeline revealed phase ordering bugs: https://bugs.llvm.org/show_bug.cgi?id=45015 https://bugs.llvm.org/show_bug.cgi?id=42022 This patch contains a few independent changes: 1. Move the pass up in the pipeline, so it happens just after loop-vectorization. This is only to keep vectorization passes together in the pipeline at the moment. I don't have evidence of interaction between these yet. 2. Add an -early-cse pass after -vector-combine to clean up redundant ops. This was partly proposed as far back as rL219644 (which is why it's effectively being moved in the old PM code). This is important because the subsequent -instcombine doesn't work as well without EarlyCSE. With the CSE, -instcombine is able to squash shuffles together in 1 of the tests (because those are simple "select" shuffles). 3. Remove the -vector-combine pass that was running after SLP. We may want to do that eventually, but I don't have a test case to support it yet. Differential Revision: https://reviews.llvm.org/D75145
311 lines
14 KiB
LLVM
311 lines
14 KiB
LLVM
; RUN: opt -mtriple=x86_64-- -Os -debug-pass=Structure < %s -o /dev/null 2>&1 | FileCheck --check-prefixes=CHECK,%llvmcheckext %s
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; REQUIRES: asserts
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; CHECK-LABEL: Pass Arguments:
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; CHECK-NEXT: Target Transform Information
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; CHECK-NEXT: Type-Based Alias Analysis
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; CHECK-NEXT: Scoped NoAlias Alias Analysis
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; CHECK-NEXT: Assumption Cache Tracker
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; CHECK-NEXT: Target Library Information
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; CHECK-NEXT: FunctionPass Manager
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; CHECK-NEXT: Module Verifier
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; CHECK-EXT: Good Bye World Pass
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; CHECK-NOEXT-NOT: Good Bye World Pass
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; CHECK-NEXT: Instrument function entry/exit with calls to e.g. mcount() (pre inlining)
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; CHECK-NEXT: Simplify the CFG
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: SROA
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; CHECK-NEXT: Early CSE
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; CHECK-NEXT: Lower 'expect' Intrinsics
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; CHECK-NEXT: Pass Arguments:
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; CHECK-NEXT: Target Library Information
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; CHECK-NEXT: Target Transform Information
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; Target Pass Configuration
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; CHECK: Type-Based Alias Analysis
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; CHECK-NEXT: Scoped NoAlias Alias Analysis
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; CHECK-NEXT: Assumption Cache Tracker
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; CHECK-NEXT: Profile summary info
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; CHECK-NEXT: ModulePass Manager
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; CHECK-NEXT: Force set function attributes
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; CHECK-NEXT: Infer set function attributes
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; CHECK-NEXT: Deduce and propagate attributes
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; CHECK-NEXT: Interprocedural Sparse Conditional Constant Propagation
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; CHECK-NEXT: FunctionPass Manager
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: Called Value Propagation
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; CHECK-NEXT: Global Variable Optimizer
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; CHECK-NEXT: FunctionPass Manager
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: Natural Loop Information
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; CHECK-NEXT: Branch Probability Analysis
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; CHECK-NEXT: Block Frequency Analysis
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; CHECK-NEXT: FunctionPass Manager
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: Promote Memory to Register
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; CHECK-NEXT: Dead Argument Elimination
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; CHECK-NEXT: FunctionPass Manager
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Natural Loop Information
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; CHECK-NEXT: Lazy Branch Probability Analysis
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; CHECK-NEXT: Lazy Block Frequency Analysis
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; CHECK-NEXT: Optimization Remark Emitter
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; CHECK-NEXT: Combine redundant instructions
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; CHECK-NEXT: Simplify the CFG
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; CHECK-NEXT: CallGraph Construction
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; CHECK-NEXT: Globals Alias Analysis
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; CHECK-NEXT: Call Graph SCC Pass Manager
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; CHECK-NEXT: Remove unused exception handling info
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; CHECK-NEXT: Function Integration/Inlining
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; CHECK-NEXT: Deduce and propagate attributes (CGSCC pass)
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; CHECK-NEXT: OpenMP specific optimizations
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; CHECK-NEXT: Deduce function attributes
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; CHECK-NEXT: FunctionPass Manager
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: SROA
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; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Memory SSA
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; CHECK-NEXT: Early CSE w/ MemorySSA
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; CHECK-NEXT: Speculatively execute instructions if target has divergent branches
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Lazy Value Information Analysis
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; CHECK-NEXT: Jump Threading
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; CHECK-NEXT: Value Propagation
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; CHECK-NEXT: Simplify the CFG
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Natural Loop Information
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; CHECK-NEXT: Lazy Branch Probability Analysis
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; CHECK-NEXT: Lazy Block Frequency Analysis
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; CHECK-NEXT: Optimization Remark Emitter
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; CHECK-NEXT: Combine redundant instructions
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; CHECK-NEXT: Optimization Remark Emitter
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; CHECK-NEXT: Tail Call Elimination
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; CHECK-NEXT: Simplify the CFG
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; CHECK-NEXT: Reassociate expressions
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: Natural Loop Information
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; CHECK-NEXT: Canonicalize natural loops
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; CHECK-NEXT: LCSSA Verifier
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; CHECK-NEXT: Loop-Closed SSA Form Pass
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; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Scalar Evolution Analysis
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; CHECK-NEXT: Loop Pass Manager
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; CHECK-NEXT: Rotate Loops
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; CHECK-NEXT: Memory SSA
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; CHECK-NEXT: Loop Pass Manager
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; CHECK-NEXT: Loop Invariant Code Motion
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; CHECK-NEXT: Unswitch loops
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; CHECK-NEXT: Simplify the CFG
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Natural Loop Information
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; CHECK-NEXT: Lazy Branch Probability Analysis
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; CHECK-NEXT: Lazy Block Frequency Analysis
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; CHECK-NEXT: Optimization Remark Emitter
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; CHECK-NEXT: Combine redundant instructions
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; CHECK-NEXT: Canonicalize natural loops
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; CHECK-NEXT: LCSSA Verifier
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; CHECK-NEXT: Loop-Closed SSA Form Pass
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; CHECK-NEXT: Scalar Evolution Analysis
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; CHECK-NEXT: Loop Pass Manager
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; CHECK-NEXT: Induction Variable Simplification
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; CHECK-NEXT: Recognize loop idioms
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; CHECK-NEXT: Delete dead loops
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; CHECK-NEXT: Unroll loops
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; CHECK-NEXT: MergedLoadStoreMotion
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; CHECK-NEXT: Phi Values Analysis
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Memory Dependence Analysis
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; CHECK-NEXT: Lazy Branch Probability Analysis
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; CHECK-NEXT: Lazy Block Frequency Analysis
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; CHECK-NEXT: Optimization Remark Emitter
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; CHECK-NEXT: Global Value Numbering
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; CHECK-NEXT: Phi Values Analysis
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; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Memory Dependence Analysis
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; CHECK-NEXT: MemCpy Optimization
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; CHECK-NEXT: Sparse Conditional Constant Propagation
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; CHECK-NEXT: Demanded bits analysis
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; CHECK-NEXT: Bit-Tracking Dead Code Elimination
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Lazy Branch Probability Analysis
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; CHECK-NEXT: Lazy Block Frequency Analysis
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; CHECK-NEXT: Optimization Remark Emitter
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; CHECK-NEXT: Combine redundant instructions
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; CHECK-NEXT: Lazy Value Information Analysis
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; CHECK-NEXT: Jump Threading
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; CHECK-NEXT: Value Propagation
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; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Phi Values Analysis
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; CHECK-NEXT: Memory Dependence Analysis
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; CHECK-NEXT: Dead Store Elimination
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Memory SSA
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; CHECK-NEXT: Natural Loop Information
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; CHECK-NEXT: Canonicalize natural loops
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; CHECK-NEXT: LCSSA Verifier
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; CHECK-NEXT: Loop-Closed SSA Form Pass
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; CHECK-NEXT: Scalar Evolution Analysis
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; CHECK-NEXT: Loop Pass Manager
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; CHECK-NEXT: Loop Invariant Code Motion
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; CHECK-NEXT: Post-Dominator Tree Construction
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; CHECK-NEXT: Aggressive Dead Code Elimination
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; CHECK-NEXT: Simplify the CFG
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Natural Loop Information
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; CHECK-NEXT: Lazy Branch Probability Analysis
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; CHECK-NEXT: Lazy Block Frequency Analysis
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; CHECK-NEXT: Optimization Remark Emitter
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; CHECK-NEXT: Combine redundant instructions
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; CHECK-NEXT: A No-Op Barrier Pass
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; CHECK-NEXT: Eliminate Available Externally Globals
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; CHECK-NEXT: CallGraph Construction
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; CHECK-NEXT: Deduce function attributes in RPO
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; CHECK-NEXT: Global Variable Optimizer
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; CHECK-NEXT: FunctionPass Manager
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: Natural Loop Information
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; CHECK-NEXT: Branch Probability Analysis
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; CHECK-NEXT: Block Frequency Analysis
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; CHECK-NEXT: Dead Global Elimination
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; CHECK-NEXT: CallGraph Construction
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; CHECK-NEXT: Globals Alias Analysis
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; CHECK-NEXT: FunctionPass Manager
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: Float to int
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; CHECK-NEXT: Lower constant intrinsics
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: Natural Loop Information
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; CHECK-NEXT: Canonicalize natural loops
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; CHECK-NEXT: LCSSA Verifier
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; CHECK-NEXT: Loop-Closed SSA Form Pass
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; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Scalar Evolution Analysis
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; CHECK-NEXT: Loop Pass Manager
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; CHECK-NEXT: Rotate Loops
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; CHECK-NEXT: Loop Access Analysis
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; CHECK-NEXT: Lazy Branch Probability Analysis
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; CHECK-NEXT: Lazy Block Frequency Analysis
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; CHECK-NEXT: Optimization Remark Emitter
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; CHECK-NEXT: Loop Distribution
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; CHECK-NEXT: Branch Probability Analysis
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; CHECK-NEXT: Block Frequency Analysis
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; CHECK-NEXT: Scalar Evolution Analysis
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; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Loop Access Analysis
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; CHECK-NEXT: Demanded bits analysis
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; CHECK-NEXT: Lazy Branch Probability Analysis
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; CHECK-NEXT: Lazy Block Frequency Analysis
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; CHECK-NEXT: Optimization Remark Emitter
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; CHECK-NEXT: Inject TLI Mappings
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; CHECK-NEXT: Loop Vectorization
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; CHECK-NEXT: Optimize scalar/vector ops
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; CHECK-NEXT: Early CSE
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; CHECK-NEXT: Canonicalize natural loops
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; CHECK-NEXT: Scalar Evolution Analysis
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Loop Access Analysis
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; CHECK-NEXT: Lazy Branch Probability Analysis
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; CHECK-NEXT: Lazy Block Frequency Analysis
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; CHECK-NEXT: Loop Load Elimination
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; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Lazy Branch Probability Analysis
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; CHECK-NEXT: Lazy Block Frequency Analysis
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; CHECK-NEXT: Optimization Remark Emitter
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; CHECK-NEXT: Combine redundant instructions
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; CHECK-NEXT: Simplify the CFG
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: Natural Loop Information
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; CHECK-NEXT: Scalar Evolution Analysis
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; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Demanded bits analysis
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; CHECK-NEXT: Lazy Branch Probability Analysis
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; CHECK-NEXT: Lazy Block Frequency Analysis
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; CHECK-NEXT: Optimization Remark Emitter
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; CHECK-NEXT: SLP Vectorizer
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; CHECK-NEXT: Optimization Remark Emitter
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; CHECK-NEXT: Combine redundant instructions
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; CHECK-NEXT: Canonicalize natural loops
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; CHECK-NEXT: LCSSA Verifier
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; CHECK-NEXT: Loop-Closed SSA Form Pass
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; CHECK-NEXT: Scalar Evolution Analysis
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; CHECK-NEXT: Loop Pass Manager
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; CHECK-NEXT: Unroll loops
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; CHECK-NEXT: Lazy Branch Probability Analysis
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; CHECK-NEXT: Lazy Block Frequency Analysis
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; CHECK-NEXT: Optimization Remark Emitter
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; CHECK-NEXT: Combine redundant instructions
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; CHECK-NEXT: Memory SSA
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; CHECK-NEXT: Canonicalize natural loops
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; CHECK-NEXT: LCSSA Verifier
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; CHECK-NEXT: Loop-Closed SSA Form Pass
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; CHECK-NEXT: Scalar Evolution Analysis
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; CHECK-NEXT: Loop Pass Manager
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; CHECK-NEXT: Loop Invariant Code Motion
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; CHECK-NEXT: Lazy Branch Probability Analysis
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; CHECK-NEXT: Lazy Block Frequency Analysis
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; CHECK-NEXT: Optimization Remark Emitter
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; CHECK-NEXT: Warn about non-applied transformations
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; CHECK-NEXT: Alignment from assumptions
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; CHECK-NEXT: Strip Unused Function Prototypes
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; CHECK-NEXT: Dead Global Elimination
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; CHECK-NEXT: Merge Duplicate Global Constants
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; CHECK-NEXT: FunctionPass Manager
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: Natural Loop Information
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; CHECK-NEXT: Branch Probability Analysis
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; CHECK-NEXT: Block Frequency Analysis
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; CHECK-NEXT: Canonicalize natural loops
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; CHECK-NEXT: LCSSA Verifier
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; CHECK-NEXT: Loop-Closed SSA Form Pass
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; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Scalar Evolution Analysis
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; CHECK-NEXT: Block Frequency Analysis
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; CHECK-NEXT: Loop Pass Manager
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; CHECK-NEXT: Loop Sink
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; CHECK-NEXT: Lazy Branch Probability Analysis
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; CHECK-NEXT: Lazy Block Frequency Analysis
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; CHECK-NEXT: Optimization Remark Emitter
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; CHECK-NEXT: Remove redundant instructions
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; CHECK-NEXT: Hoist/decompose integer division and remainder
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; CHECK-NEXT: Simplify the CFG
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; CHECK-NEXT: Module Verifier
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; CHECK-NEXT: Bitcode Writer
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; CHECK-NEXT: Pass Arguments:
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; CHECK-NEXT: FunctionPass Manager
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: Pass Arguments:
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; CHECK-NEXT: Target Library Information
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; CHECK-NEXT: FunctionPass Manager
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: Natural Loop Information
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; CHECK-NEXT: Branch Probability Analysis
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; CHECK-NEXT: Block Frequency Analysis
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; CHECK-NEXT: Pass Arguments:
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; CHECK-NEXT: Target Library Information
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; CHECK-NEXT: FunctionPass Manager
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; CHECK-NEXT: Dominator Tree Construction
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; CHECK-NEXT: Natural Loop Information
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; CHECK-NEXT: Branch Probability Analysis
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; CHECK-NEXT: Block Frequency Analysis
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define void @f() {
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ret void
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}
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