[NFC][SPIRV] Add a test documenting the passes in the SPIRV backend

Author: jmmartinez

llvm/test/CodeGen/SPIRV/llc-pipeline.ll

@@ -0,0 +1,214 @@
+; UNSUPPORTED:expensive_checks
+; RUN:llc -O0 -mtriple=spirv-- -disable-verify -debug-pass=Structure < %s 2>&1 \
+; RUN:   | FileCheck -match-full-lines -strict-whitespace -check-prefix=SPIRV-O0 %s
+; RUN:llc -O1 -mtriple=spirv-- -disable-verify -debug-pass=Structure < %s 2>&1 \
+; RUN:   | FileCheck -match-full-lines -strict-whitespace -check-prefix=SPIRV-Opt %s
+; RUN:llc -O2 -mtriple=spirv-- -disable-verify -debug-pass=Structure < %s 2>&1 \
+; RUN:   | FileCheck -match-full-lines -strict-whitespace -check-prefix=SPIRV-Opt %s
+; RUN:llc -O3 -mtriple=spirv-- -disable-verify -debug-pass=Structure < %s 2>&1 \
+; RUN:   | FileCheck -match-full-lines -strict-whitespace -check-prefix=SPIRV-Opt %s
+;
+; REQUIRES:asserts
+
+; SPIRV-O0:Target Library Information
+; SPIRV-O0-NEXT:Target Pass Configuration
+; SPIRV-O0-NEXT:Machine Module Information
+; SPIRV-O0-NEXT:Target Transform Information
+; SPIRV-O0-NEXT:Create Garbage Collector Module Metadata
+; SPIRV-O0-NEXT:Assumption Cache Tracker
+; SPIRV-O0-NEXT:Profile summary info
+; SPIRV-O0-NEXT:Machine Branch Probability Analysis
+; SPIRV-O0-NEXT:  ModulePass Manager
+; SPIRV-O0-NEXT:    Pre-ISel Intrinsic Lowering
+; SPIRV-O0-NEXT:    FunctionPass Manager
+; SPIRV-O0-NEXT:      Expand large div/rem
+; SPIRV-O0-NEXT:      Expand fp
+; SPIRV-O0-NEXT:      Lower Garbage Collection Instructions
+; SPIRV-O0-NEXT:      Shadow Stack GC Lowering
+; SPIRV-O0-NEXT:      Remove unreachable blocks from the CFG
+; SPIRV-O0-NEXT:      Instrument function entry/exit with calls to e.g. mcount() (post inlining)
+; SPIRV-O0-NEXT:      Scalarize Masked Memory Intrinsics
+; SPIRV-O0-NEXT:      Expand reduction intrinsics
+; SPIRV-O0-NEXT:      SPIR-V Regularizer
+; SPIRV-O0-NEXT:    SPIRV prepare functions
+; SPIRV-O0-NEXT:    FunctionPass Manager
+; SPIRV-O0-NEXT:      Lower invoke and unwind, for unwindless code generators
+; SPIRV-O0-NEXT:      Remove unreachable blocks from the CFG
+; SPIRV-O0-NEXT:      SPIRV strip convergent intrinsics
+; SPIRV-O0-NEXT:    Unnamed pass: implement Pass::getPassName()
+; SPIRV-O0-NEXT:    SPIRV CBuffer Access
+; SPIRV-O0-NEXT:    SPIRV emit intrinsics
+; SPIRV-O0-NEXT:    FunctionPass Manager
+; SPIRV-O0-NEXT:      SPIRV legalize bitcast pass
+; SPIRV-O0-NEXT:      Prepare callbr
+; SPIRV-O0-NEXT:      Safe Stack instrumentation pass
+; SPIRV-O0-NEXT:      Insert stack protectors
+; SPIRV-O0-NEXT:      Analysis containing CSE Info
+; SPIRV-O0-NEXT:      IRTranslator
+; SPIRV-O0-NEXT:      Analysis for ComputingKnownBits
+; SPIRV-O0-NEXT:      MachineDominator Tree Construction
+; SPIRV-O0-NEXT:      SPIRVPreLegalizerCombiner
+; SPIRV-O0-NEXT:      SPIRV pre legalizer
+; SPIRV-O0-NEXT:      Analysis containing CSE Info
+; SPIRV-O0-NEXT:      Legalizer
+; SPIRV-O0-NEXT:      SPIRV post legalizer
+; SPIRV-O0-NEXT:      Analysis for ComputingKnownBits
+; SPIRV-O0-NEXT:      Dominator Tree Construction
+; SPIRV-O0-NEXT:      Natural Loop Information
+; SPIRV-O0-NEXT:      Lazy Branch Probability Analysis
+; SPIRV-O0-NEXT:      Lazy Block Frequency Analysis
+; SPIRV-O0-NEXT:      InstructionSelect
+; SPIRV-O0-NEXT:      ResetMachineFunction
+; SPIRV-O0-NEXT:      Finalize ISel and expand pseudo-instructions
+; SPIRV-O0-NEXT:      Local Stack Slot Allocation
+; SPIRV-O0-NEXT:      Remove Redundant DEBUG_VALUE analysis
+; SPIRV-O0-NEXT:      Fixup Statepoint Caller Saved
+; SPIRV-O0-NEXT:      Lazy Machine Block Frequency Analysis
+; SPIRV-O0-NEXT:      Machine Optimization Remark Emitter
+; SPIRV-O0-NEXT:      Prologue/Epilogue Insertion & Frame Finalization
+; SPIRV-O0-NEXT:      Post-RA pseudo instruction expansion pass
+; SPIRV-O0-NEXT:      Analyze Machine Code For Garbage Collection
+; SPIRV-O0-NEXT:      Insert fentry calls
+; SPIRV-O0-NEXT:      Insert XRay ops
+; SPIRV-O0-NEXT:      Machine Sanitizer Binary Metadata
+; SPIRV-O0-NEXT:      Lazy Machine Block Frequency Analysis
+; SPIRV-O0-NEXT:      Machine Optimization Remark Emitter
+; SPIRV-O0-NEXT:      Stack Frame Layout Analysis
+; SPIRV-O0-NEXT:    SPIRV module analysis
+; SPIRV-O0-NEXT:    FunctionPass Manager
+; SPIRV-O0-NEXT:      Lazy Machine Block Frequency Analysis
+; SPIRV-O0-NEXT:      Machine Optimization Remark Emitter
+; SPIRV-O0-NEXT:      SPIRV Assembly Printer
+; SPIRV-O0-NEXT:      Free MachineFunction
+
+; SPIRV-Opt:Target Library Information
+; SPIRV-Opt-NEXT:Target Pass Configuration
+; SPIRV-Opt-NEXT:Machine Module Information
+; SPIRV-Opt-NEXT:Target Transform Information
+; SPIRV-Opt-NEXT:Assumption Cache Tracker
+; SPIRV-Opt-NEXT:Type-Based Alias Analysis
+; SPIRV-Opt-NEXT:Scoped NoAlias Alias Analysis
+; SPIRV-Opt-NEXT:Profile summary info
+; SPIRV-Opt-NEXT:Create Garbage Collector Module Metadata
+; SPIRV-Opt-NEXT:Machine Branch Probability Analysis
+; SPIRV-Opt-NEXT:  ModulePass Manager
+; SPIRV-Opt-NEXT:    Pre-ISel Intrinsic Lowering
+; SPIRV-Opt-NEXT:    FunctionPass Manager
+; SPIRV-Opt-NEXT:      Expand large div/rem
+; SPIRV-Opt-NEXT:      Expand fp
+; SPIRV-Opt-NEXT:      Dominator Tree Construction
+; SPIRV-Opt-NEXT:      Basic Alias Analysis (stateless AA impl)
+; SPIRV-Opt-NEXT:      Natural Loop Information
+; SPIRV-Opt-NEXT:      Canonicalize natural loops
+; SPIRV-Opt-NEXT:      Scalar Evolution Analysis
+; SPIRV-Opt-NEXT:      Loop Pass Manager
+; SPIRV-Opt-NEXT:        Canonicalize Freeze Instructions in Loops
+; SPIRV-Opt-NEXT:        Induction Variable Users
+; SPIRV-Opt-NEXT:        Loop Strength Reduction
+; SPIRV-Opt-NEXT:      Basic Alias Analysis (stateless AA impl)
+; SPIRV-Opt-NEXT:      Function Alias Analysis Results
+; SPIRV-Opt-NEXT:      Merge contiguous icmps into a memcmp
+; SPIRV-Opt-NEXT:      Natural Loop Information
+; SPIRV-Opt-NEXT:      Lazy Branch Probability Analysis
+; SPIRV-Opt-NEXT:      Lazy Block Frequency Analysis
+; SPIRV-Opt-NEXT:      Expand memcmp() to load/stores
+; SPIRV-Opt-NEXT:      Lower Garbage Collection Instructions
+; SPIRV-Opt-NEXT:      Shadow Stack GC Lowering
+; SPIRV-Opt-NEXT:      Remove unreachable blocks from the CFG
+; SPIRV-Opt-NEXT:      Natural Loop Information
+; SPIRV-Opt-NEXT:      Post-Dominator Tree Construction
+; SPIRV-Opt-NEXT:      Branch Probability Analysis
+; SPIRV-Opt-NEXT:      Block Frequency Analysis
+; SPIRV-Opt-NEXT:      Constant Hoisting
+; SPIRV-Opt-NEXT:      Replace intrinsics with calls to vector library
+; SPIRV-Opt-NEXT:      Lazy Branch Probability Analysis
+; SPIRV-Opt-NEXT:      Lazy Block Frequency Analysis
+; SPIRV-Opt-NEXT:      Optimization Remark Emitter
+; SPIRV-Opt-NEXT:      Partially inline calls to library functions
+; SPIRV-Opt-NEXT:      Instrument function entry/exit with calls to e.g. mcount() (post inlining)
+; SPIRV-Opt-NEXT:      Scalarize Masked Memory Intrinsics
+; SPIRV-Opt-NEXT:      Expand reduction intrinsics
+; SPIRV-Opt-NEXT:      SPIR-V Regularizer
+; SPIRV-Opt-NEXT:    SPIRV prepare functions
+; SPIRV-Opt-NEXT:    FunctionPass Manager
+; SPIRV-Opt-NEXT:      Dominator Tree Construction
+; SPIRV-Opt-NEXT:      Natural Loop Information
+; SPIRV-Opt-NEXT:      CodeGen Prepare
+; SPIRV-Opt-NEXT:      Lower invoke and unwind, for unwindless code generators
+; SPIRV-Opt-NEXT:      Remove unreachable blocks from the CFG
+; SPIRV-Opt-NEXT:      SPIRV strip convergent intrinsics
+; SPIRV-Opt-NEXT:    Unnamed pass: implement Pass::getPassName()
+; SPIRV-Opt-NEXT:    SPIRV CBuffer Access
+; SPIRV-Opt-NEXT:    SPIRV emit intrinsics
+; SPIRV-Opt-NEXT:    FunctionPass Manager
+; SPIRV-Opt-NEXT:      SPIRV legalize bitcast pass
+; SPIRV-Opt-NEXT:      Dominator Tree Construction
+; SPIRV-Opt-NEXT:      Basic Alias Analysis (stateless AA impl)
+; SPIRV-Opt-NEXT:      Function Alias Analysis Results
+; SPIRV-Opt-NEXT:      ObjC ARC contraction
+; SPIRV-Opt-NEXT:      Prepare callbr
+; SPIRV-Opt-NEXT:      Safe Stack instrumentation pass
+; SPIRV-Opt-NEXT:      Insert stack protectors
+; SPIRV-Opt-NEXT:      Analysis containing CSE Info
+; SPIRV-Opt-NEXT:      Natural Loop Information
+; SPIRV-Opt-NEXT:      Post-Dominator Tree Construction
+; SPIRV-Opt-NEXT:      Branch Probability Analysis
+; SPIRV-Opt-NEXT:      Basic Alias Analysis (stateless AA impl)
+; SPIRV-Opt-NEXT:      Function Alias Analysis Results
+; SPIRV-Opt-NEXT:      IRTranslator
+; SPIRV-Opt-NEXT:      Analysis for ComputingKnownBits
+; SPIRV-Opt-NEXT:      MachineDominator Tree Construction
+; SPIRV-Opt-NEXT:      SPIRVPreLegalizerCombiner
+; SPIRV-Opt-NEXT:      SPIRV pre legalizer
+; SPIRV-Opt-NEXT:      Analysis containing CSE Info
+; SPIRV-Opt-NEXT:      Legalizer
+; SPIRV-Opt-NEXT:      SPIRV post legalizer
+; SPIRV-Opt-NEXT:      Analysis for ComputingKnownBits
+; SPIRV-Opt-NEXT:      Lazy Branch Probability Analysis
+; SPIRV-Opt-NEXT:      Lazy Block Frequency Analysis
+; SPIRV-Opt-NEXT:      InstructionSelect
+; SPIRV-Opt-NEXT:      ResetMachineFunction
+; SPIRV-Opt-NEXT:      Finalize ISel and expand pseudo-instructions
+; SPIRV-Opt-NEXT:      Lazy Machine Block Frequency Analysis
+; SPIRV-Opt-NEXT:      Early Tail Duplication
+; SPIRV-Opt-NEXT:      Optimize machine instruction PHIs
+; SPIRV-Opt-NEXT:      Slot index numbering
+; SPIRV-Opt-NEXT:      Merge disjoint stack slots
+; SPIRV-Opt-NEXT:      Local Stack Slot Allocation
+; SPIRV-Opt-NEXT:      Remove dead machine instructions
+; SPIRV-Opt-NEXT:      MachineDominator Tree Construction
+; SPIRV-Opt-NEXT:      Machine Natural Loop Construction
+; SPIRV-Opt-NEXT:      Machine Block Frequency Analysis
+; SPIRV-Opt-NEXT:      Early Machine Loop Invariant Code Motion
+; SPIRV-Opt-NEXT:      MachineDominator Tree Construction
+; SPIRV-Opt-NEXT:      Machine Block Frequency Analysis
+; SPIRV-Opt-NEXT:      Machine Common Subexpression Elimination
+; SPIRV-Opt-NEXT:      MachinePostDominator Tree Construction
+; SPIRV-Opt-NEXT:      Machine Cycle Info Analysis
+; SPIRV-Opt-NEXT:      Machine code sinking
+; SPIRV-Opt-NEXT:      Peephole Optimizations
+; SPIRV-Opt-NEXT:      Remove dead machine instructions
+; SPIRV-Opt-NEXT:      Remove Redundant DEBUG_VALUE analysis
+; SPIRV-Opt-NEXT:      Fixup Statepoint Caller Saved
+; SPIRV-Opt-NEXT:      Lazy Machine Block Frequency Analysis
+; SPIRV-Opt-NEXT:      Machine Optimization Remark Emitter
+; SPIRV-Opt-NEXT:      Prologue/Epilogue Insertion & Frame Finalization
+; SPIRV-Opt-NEXT:      Tail Duplication
+; SPIRV-Opt-NEXT:      Post-RA pseudo instruction expansion pass
+; SPIRV-Opt-NEXT:      Analyze Machine Code For Garbage Collection
+; SPIRV-Opt-NEXT:      Insert fentry calls
+; SPIRV-Opt-NEXT:      Insert XRay ops
+; SPIRV-Opt-NEXT:      Machine Sanitizer Binary Metadata
+; SPIRV-Opt-NEXT:      Lazy Machine Block Frequency Analysis
+; SPIRV-Opt-NEXT:      Machine Optimization Remark Emitter
+; SPIRV-Opt-NEXT:      Stack Frame Layout Analysis
+; SPIRV-Opt-NEXT:    SPIRV module analysis
+; SPIRV-Opt-NEXT:    FunctionPass Manager
+; SPIRV-Opt-NEXT:      Lazy Machine Block Frequency Analysis
+; SPIRV-Opt-NEXT:      Machine Optimization Remark Emitter
+; SPIRV-Opt-NEXT:      SPIRV Assembly Printer
+; SPIRV-Opt-NEXT:      Free MachineFunction
+
+define void @empty() {
+  ret void
+}