LLVM  7.0.0svn
Passes.h
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1 //===-- Passes.h - Target independent code generation passes ----*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file defines interfaces to access the target independent code generation
11 // passes provided by the LLVM backend.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_CODEGEN_PASSES_H
16 #define LLVM_CODEGEN_PASSES_H
17 
18 #include <functional>
19 #include <string>
20 
21 namespace llvm {
22 
23 class FunctionPass;
24 class MachineFunction;
25 class MachineFunctionPass;
26 class ModulePass;
27 class Pass;
28 class TargetMachine;
29 class TargetRegisterClass;
30 class raw_ostream;
31 
32 } // End llvm namespace
33 
34 /// List of target independent CodeGen pass IDs.
35 namespace llvm {
36  FunctionPass *createAtomicExpandPass();
37 
38  /// createUnreachableBlockEliminationPass - The LLVM code generator does not
39  /// work well with unreachable basic blocks (what live ranges make sense for a
40  /// block that cannot be reached?). As such, a code generator should either
41  /// not instruction select unreachable blocks, or run this pass as its
42  /// last LLVM modifying pass to clean up blocks that are not reachable from
43  /// the entry block.
45 
46  /// MachineFunctionPrinter pass - This pass prints out the machine function to
47  /// the given stream as a debugging tool.
48  MachineFunctionPass *
49  createMachineFunctionPrinterPass(raw_ostream &OS,
50  const std::string &Banner ="");
51 
52  /// MIRPrinting pass - this pass prints out the LLVM IR into the given stream
53  /// using the MIR serialization format.
54  MachineFunctionPass *createPrintMIRPass(raw_ostream &OS);
55 
56  /// This pass resets a MachineFunction when it has the FailedISel property
57  /// as if it was just created.
58  /// If EmitFallbackDiag is true, the pass will emit a
59  /// DiagnosticInfoISelFallback for every MachineFunction it resets.
60  /// If AbortOnFailedISel is true, abort compilation instead of resetting.
61  MachineFunctionPass *createResetMachineFunctionPass(bool EmitFallbackDiag,
62  bool AbortOnFailedISel);
63 
64  /// createCodeGenPreparePass - Transform the code to expose more pattern
65  /// matching during instruction selection.
66  FunctionPass *createCodeGenPreparePass();
67 
68  /// createScalarizeMaskedMemIntrinPass - Replace masked load, store, gather
69  /// and scatter intrinsics with scalar code when target doesn't support them.
70  FunctionPass *createScalarizeMaskedMemIntrinPass();
71 
72  /// AtomicExpandID -- Lowers atomic operations in terms of either cmpxchg
73  /// load-linked/store-conditional loops.
74  extern char &AtomicExpandID;
75 
76  /// MachineLoopInfo - This pass is a loop analysis pass.
77  extern char &MachineLoopInfoID;
78 
79  /// MachineDominators - This pass is a machine dominators analysis pass.
80  extern char &MachineDominatorsID;
81 
82 /// MachineDominanaceFrontier - This pass is a machine dominators analysis pass.
83  extern char &MachineDominanceFrontierID;
84 
85  /// MachineRegionInfo - This pass computes SESE regions for machine functions.
86  extern char &MachineRegionInfoPassID;
87 
88  /// EdgeBundles analysis - Bundle machine CFG edges.
89  extern char &EdgeBundlesID;
90 
91  /// LiveVariables pass - This pass computes the set of blocks in which each
92  /// variable is life and sets machine operand kill flags.
93  extern char &LiveVariablesID;
94 
95  /// PHIElimination - This pass eliminates machine instruction PHI nodes
96  /// by inserting copy instructions. This destroys SSA information, but is the
97  /// desired input for some register allocators. This pass is "required" by
98  /// these register allocator like this: AU.addRequiredID(PHIEliminationID);
99  extern char &PHIEliminationID;
100 
101  /// LiveIntervals - This analysis keeps track of the live ranges of virtual
102  /// and physical registers.
103  extern char &LiveIntervalsID;
104 
105  /// LiveStacks pass. An analysis keeping track of the liveness of stack slots.
106  extern char &LiveStacksID;
107 
108  /// TwoAddressInstruction - This pass reduces two-address instructions to
109  /// use two operands. This destroys SSA information but it is desired by
110  /// register allocators.
111  extern char &TwoAddressInstructionPassID;
112 
113  /// ProcessImpicitDefs pass - This pass removes IMPLICIT_DEFs.
114  extern char &ProcessImplicitDefsID;
115 
116  /// RegisterCoalescer - This pass merges live ranges to eliminate copies.
117  extern char &RegisterCoalescerID;
118 
119  /// MachineScheduler - This pass schedules machine instructions.
120  extern char &MachineSchedulerID;
121 
122  /// PostMachineScheduler - This pass schedules machine instructions postRA.
123  extern char &PostMachineSchedulerID;
124 
125  /// SpillPlacement analysis. Suggest optimal placement of spill code between
126  /// basic blocks.
127  extern char &SpillPlacementID;
128 
129  /// ShrinkWrap pass. Look for the best place to insert save and restore
130  // instruction and update the MachineFunctionInfo with that information.
131  extern char &ShrinkWrapID;
132 
133  /// LiveRangeShrink pass. Move instruction close to its definition to shrink
134  /// the definition's live range.
135  extern char &LiveRangeShrinkID;
136 
137  /// Greedy register allocator.
138  extern char &RAGreedyID;
139 
140  /// Basic register allocator.
141  extern char &RABasicID;
142 
143  /// VirtRegRewriter pass. Rewrite virtual registers to physical registers as
144  /// assigned in VirtRegMap.
145  extern char &VirtRegRewriterID;
146 
147  /// UnreachableMachineBlockElimination - This pass removes unreachable
148  /// machine basic blocks.
149  extern char &UnreachableMachineBlockElimID;
150 
151  /// DeadMachineInstructionElim - This pass removes dead machine instructions.
152  extern char &DeadMachineInstructionElimID;
153 
154  /// This pass adds dead/undef flags after analyzing subregister lanes.
155  extern char &DetectDeadLanesID;
156 
157  /// This pass perform post-ra machine sink for COPY instructions.
158  extern char &PostRAMachineSinkingID;
159 
160  /// FastRegisterAllocation Pass - This pass register allocates as fast as
161  /// possible. It is best suited for debug code where live ranges are short.
162  ///
163  FunctionPass *createFastRegisterAllocator();
164 
165  /// BasicRegisterAllocation Pass - This pass implements a degenerate global
166  /// register allocator using the basic regalloc framework.
167  ///
168  FunctionPass *createBasicRegisterAllocator();
169 
170  /// Greedy register allocation pass - This pass implements a global register
171  /// allocator for optimized builds.
172  ///
173  FunctionPass *createGreedyRegisterAllocator();
174 
175  /// PBQPRegisterAllocation Pass - This pass implements the Partitioned Boolean
176  /// Quadratic Prograaming (PBQP) based register allocator.
177  ///
178  FunctionPass *createDefaultPBQPRegisterAllocator();
179 
180  /// PrologEpilogCodeInserter - This pass inserts prolog and epilog code,
181  /// and eliminates abstract frame references.
182  extern char &PrologEpilogCodeInserterID;
183  MachineFunctionPass *createPrologEpilogInserterPass();
184 
185  /// ExpandPostRAPseudos - This pass expands pseudo instructions after
186  /// register allocation.
187  extern char &ExpandPostRAPseudosID;
188 
189  /// createPostRAHazardRecognizer - This pass runs the post-ra hazard
190  /// recognizer.
191  extern char &PostRAHazardRecognizerID;
192 
193  /// createPostRAScheduler - This pass performs post register allocation
194  /// scheduling.
195  extern char &PostRASchedulerID;
196 
197  /// BranchFolding - This pass performs machine code CFG based
198  /// optimizations to delete branches to branches, eliminate branches to
199  /// successor blocks (creating fall throughs), and eliminating branches over
200  /// branches.
201  extern char &BranchFolderPassID;
202 
203  /// BranchRelaxation - This pass replaces branches that need to jump further
204  /// than is supported by a branch instruction.
205  extern char &BranchRelaxationPassID;
206 
207  /// MachineFunctionPrinterPass - This pass prints out MachineInstr's.
208  extern char &MachineFunctionPrinterPassID;
209 
210  /// MIRPrintingPass - this pass prints out the LLVM IR using the MIR
211  /// serialization format.
212  extern char &MIRPrintingPassID;
213 
214  /// TailDuplicate - Duplicate blocks with unconditional branches
215  /// into tails of their predecessors.
216  extern char &TailDuplicateID;
217 
218  /// Duplicate blocks with unconditional branches into tails of their
219  /// predecessors. Variant that works before register allocation.
220  extern char &EarlyTailDuplicateID;
221 
222  /// MachineTraceMetrics - This pass computes critical path and CPU resource
223  /// usage in an ensemble of traces.
224  extern char &MachineTraceMetricsID;
225 
226  /// EarlyIfConverter - This pass performs if-conversion on SSA form by
227  /// inserting cmov instructions.
228  extern char &EarlyIfConverterID;
229 
230  /// This pass performs instruction combining using trace metrics to estimate
231  /// critical-path and resource depth.
232  extern char &MachineCombinerID;
233 
234  /// StackSlotColoring - This pass performs stack coloring and merging.
235  /// It merges disjoint allocas to reduce the stack size.
236  extern char &StackColoringID;
237 
238  /// IfConverter - This pass performs machine code if conversion.
239  extern char &IfConverterID;
240 
241  FunctionPass *createIfConverter(
242  std::function<bool(const MachineFunction &)> Ftor);
243 
244  /// MachineBlockPlacement - This pass places basic blocks based on branch
245  /// probabilities.
246  extern char &MachineBlockPlacementID;
247 
248  /// MachineBlockPlacementStats - This pass collects statistics about the
249  /// basic block placement using branch probabilities and block frequency
250  /// information.
251  extern char &MachineBlockPlacementStatsID;
252 
253  /// GCLowering Pass - Used by gc.root to perform its default lowering
254  /// operations.
255  FunctionPass *createGCLoweringPass();
256 
257  /// ShadowStackGCLowering - Implements the custom lowering mechanism
258  /// used by the shadow stack GC. Only runs on functions which opt in to
259  /// the shadow stack collector.
260  FunctionPass *createShadowStackGCLoweringPass();
261 
262  /// GCMachineCodeAnalysis - Target-independent pass to mark safe points
263  /// in machine code. Must be added very late during code generation, just
264  /// prior to output, and importantly after all CFG transformations (such as
265  /// branch folding).
266  extern char &GCMachineCodeAnalysisID;
267 
268  /// Creates a pass to print GC metadata.
269  ///
270  FunctionPass *createGCInfoPrinter(raw_ostream &OS);
271 
272  /// MachineCSE - This pass performs global CSE on machine instructions.
273  extern char &MachineCSEID;
274 
275  /// ImplicitNullChecks - This pass folds null pointer checks into nearby
276  /// memory operations.
277  extern char &ImplicitNullChecksID;
278 
279  /// This pass performs loop invariant code motion on machine instructions.
280  extern char &MachineLICMID;
281 
282  /// This pass performs loop invariant code motion on machine instructions.
283  /// This variant works before register allocation. \see MachineLICMID.
284  extern char &EarlyMachineLICMID;
285 
286  /// MachineSinking - This pass performs sinking on machine instructions.
287  extern char &MachineSinkingID;
288 
289  /// MachineCopyPropagation - This pass performs copy propagation on
290  /// machine instructions.
291  extern char &MachineCopyPropagationID;
292 
293  /// PeepholeOptimizer - This pass performs peephole optimizations -
294  /// like extension and comparison eliminations.
295  extern char &PeepholeOptimizerID;
296 
297  /// OptimizePHIs - This pass optimizes machine instruction PHIs
298  /// to take advantage of opportunities created during DAG legalization.
299  extern char &OptimizePHIsID;
300 
301  /// StackSlotColoring - This pass performs stack slot coloring.
302  extern char &StackSlotColoringID;
303 
304  /// This pass lays out funclets contiguously.
305  extern char &FuncletLayoutID;
306 
307  /// This pass inserts the XRay instrumentation sleds if they are supported by
308  /// the target platform.
309  extern char &XRayInstrumentationID;
310 
311  /// This pass inserts FEntry calls
312  extern char &FEntryInserterID;
313 
314  /// This pass implements the "patchable-function" attribute.
315  extern char &PatchableFunctionID;
316 
317  /// createStackProtectorPass - This pass adds stack protectors to functions.
318  ///
319  FunctionPass *createStackProtectorPass();
320 
321  /// createMachineVerifierPass - This pass verifies cenerated machine code
322  /// instructions for correctness.
323  ///
324  FunctionPass *createMachineVerifierPass(const std::string& Banner);
325 
326  /// createDwarfEHPass - This pass mulches exception handling code into a form
327  /// adapted to code generation. Required if using dwarf exception handling.
328  FunctionPass *createDwarfEHPass();
329 
330  /// createWinEHPass - Prepares personality functions used by MSVC on Windows,
331  /// in addition to the Itanium LSDA based personalities.
332  FunctionPass *createWinEHPass(bool DemoteCatchSwitchPHIOnly = false);
333 
334  /// createSjLjEHPreparePass - This pass adapts exception handling code to use
335  /// the GCC-style builtin setjmp/longjmp (sjlj) to handling EH control flow.
336  ///
337  FunctionPass *createSjLjEHPreparePass();
338 
339  /// createWasmEHPass - This pass adapts exception handling code to use
340  /// WebAssembly's exception handling scheme.
341  FunctionPass *createWasmEHPass();
342 
343  /// LocalStackSlotAllocation - This pass assigns local frame indices to stack
344  /// slots relative to one another and allocates base registers to access them
345  /// when it is estimated by the target to be out of range of normal frame
346  /// pointer or stack pointer index addressing.
347  extern char &LocalStackSlotAllocationID;
348 
349  /// ExpandISelPseudos - This pass expands pseudo-instructions.
350  extern char &ExpandISelPseudosID;
351 
352  /// UnpackMachineBundles - This pass unpack machine instruction bundles.
353  extern char &UnpackMachineBundlesID;
354 
355  FunctionPass *
356  createUnpackMachineBundles(std::function<bool(const MachineFunction &)> Ftor);
357 
358  /// FinalizeMachineBundles - This pass finalize machine instruction
359  /// bundles (created earlier, e.g. during pre-RA scheduling).
360  extern char &FinalizeMachineBundlesID;
361 
362  /// StackMapLiveness - This pass analyses the register live-out set of
363  /// stackmap/patchpoint intrinsics and attaches the calculated information to
364  /// the intrinsic for later emission to the StackMap.
365  extern char &StackMapLivenessID;
366 
367  /// LiveDebugValues pass
368  extern char &LiveDebugValuesID;
369 
370  /// createJumpInstrTables - This pass creates jump-instruction tables.
371  ModulePass *createJumpInstrTablesPass();
372 
373  /// createForwardControlFlowIntegrityPass - This pass adds control-flow
374  /// integrity.
376 
377  /// InterleavedAccess Pass - This pass identifies and matches interleaved
378  /// memory accesses to target specific intrinsics.
379  ///
380  FunctionPass *createInterleavedAccessPass();
381 
382  /// LowerEmuTLS - This pass generates __emutls_[vt].xyz variables for all
383  /// TLS variables for the emulated TLS model.
384  ///
385  ModulePass *createLowerEmuTLSPass();
386 
387  /// This pass lowers the \@llvm.load.relative intrinsic to instructions.
388  /// This is unsafe to do earlier because a pass may combine the constant
389  /// initializer into the load, which may result in an overflowing evaluation.
391 
392  /// GlobalMerge - This pass merges internal (by default) globals into structs
393  /// to enable reuse of a base pointer by indexed addressing modes.
394  /// It can also be configured to focus on size optimizations only.
395  ///
396  Pass *createGlobalMergePass(const TargetMachine *TM, unsigned MaximalOffset,
397  bool OnlyOptimizeForSize = false,
398  bool MergeExternalByDefault = false);
399 
400  /// This pass splits the stack into a safe stack and an unsafe stack to
401  /// protect against stack-based overflow vulnerabilities.
402  FunctionPass *createSafeStackPass();
403 
404  /// This pass detects subregister lanes in a virtual register that are used
405  /// independently of other lanes and splits them into separate virtual
406  /// registers.
407  extern char &RenameIndependentSubregsID;
408 
409  /// This pass is executed POST-RA to collect which physical registers are
410  /// preserved by given machine function.
411  FunctionPass *createRegUsageInfoCollector();
412 
413  /// Return a MachineFunction pass that identifies call sites
414  /// and propagates register usage information of callee to caller
415  /// if available with PysicalRegisterUsageInfo pass.
416  FunctionPass *createRegUsageInfoPropPass();
417 
418  /// This pass performs software pipelining on machine instructions.
419  extern char &MachinePipelinerID;
420 
421  /// This pass frees the memory occupied by the MachineFunction.
422  FunctionPass *createFreeMachineFunctionPass();
423 
424  /// This pass performs outlining on machine instructions directly before
425  /// printing assembly.
426  ModulePass *createMachineOutlinerPass();
427 
428  /// This pass expands the experimental reduction intrinsics into sequences of
429  /// shuffles.
430  FunctionPass *createExpandReductionsPass();
431 
432  // This pass expands memcmp() to load/stores.
433  FunctionPass *createExpandMemCmpPass();
434 
435  /// Creates Break False Dependencies pass. \see BreakFalseDeps.cpp
436  FunctionPass *createBreakFalseDeps();
437 
438  // This pass expands indirectbr instructions.
439  FunctionPass *createIndirectBrExpandPass();
440 
441  /// Creates CFI Instruction Inserter pass. \see CFIInstrInserter.cpp
442  FunctionPass *createCFIInstrInserter();
443 
444 } // End llvm namespace
445 
446 #endif
FunctionPass * createExpandReductionsPass()
This pass expands the experimental reduction intrinsics into sequences of shuffles.
char & MachineCombinerID
This pass performs instruction combining using trace metrics to estimate critical-path and resource d...
char & RenameIndependentSubregsID
This pass detects subregister lanes in a virtual register that are used independently of other lanes ...
Compute iterated dominance frontiers using a linear time algorithm.
Definition: AllocatorList.h:24
char & FEntryInserterID
This pass inserts FEntry calls.
char & MachineLICMID
This pass performs loop invariant code motion on machine instructions.
char & MachineDominatorsID
MachineDominators - This pass is a machine dominators analysis pass.
char & FuncletLayoutID
This pass lays out funclets contiguously.
FunctionPass * createExpandMemCmpPass()
char & RegisterCoalescerID
RegisterCoalescer - This pass merges live ranges to eliminate copies.
char & EarlyIfConverterID
EarlyIfConverter - This pass performs if-conversion on SSA form by inserting cmov instructions...
FunctionPass * createIfConverter(std::function< bool(const MachineFunction &)> Ftor)
Pass * createGlobalMergePass(const TargetMachine *TM, unsigned MaximalOffset, bool OnlyOptimizeForSize=false, bool MergeExternalByDefault=false)
GlobalMerge - This pass merges internal (by default) globals into structs to enable reuse of a base p...
char & BranchRelaxationPassID
BranchRelaxation - This pass replaces branches that need to jump further than is supported by a branc...
char & MachineSchedulerID
MachineScheduler - This pass schedules machine instructions.
char & AtomicExpandID
AtomicExpandID – Lowers atomic operations in terms of either cmpxchg load-linked/store-conditional l...
char & RAGreedyID
Greedy register allocator.
char & ProcessImplicitDefsID
ProcessImpicitDefs pass - This pass removes IMPLICIT_DEFs.
FunctionPass * createShadowStackGCLoweringPass()
ShadowStackGCLowering - Implements the custom lowering mechanism used by the shadow stack GC...
char & DetectDeadLanesID
This pass adds dead/undef flags after analyzing subregister lanes.
char & MachineBlockPlacementStatsID
MachineBlockPlacementStats - This pass collects statistics about the basic block placement using bran...
char & MachineFunctionPrinterPassID
MachineFunctionPrinterPass - This pass prints out MachineInstr&#39;s.
FunctionPass * createScalarizeMaskedMemIntrinPass()
createScalarizeMaskedMemIntrinPass - Replace masked load, store, gather and scatter intrinsics with s...
MachineFunctionPass * createResetMachineFunctionPass(bool EmitFallbackDiag, bool AbortOnFailedISel)
This pass resets a MachineFunction when it has the FailedISel property as if it was just created...
FunctionPass * createMachineVerifierPass(const std::string &Banner)
createMachineVerifierPass - This pass verifies cenerated machine code instructions for correctness...
char & MachineLoopInfoID
MachineLoopInfo - This pass is a loop analysis pass.
char & MachineRegionInfoPassID
MachineRegionInfo - This pass computes SESE regions for machine functions.
FunctionPass * createGCLoweringPass()
GCLowering Pass - Used by gc.root to perform its default lowering operations.
char & StackColoringID
StackSlotColoring - This pass performs stack coloring and merging.
FunctionPass * createSafeStackPass()
This pass splits the stack into a safe stack and an unsafe stack to protect against stack-based overf...
Definition: SafeStack.cpp:903
FunctionPass * createRegUsageInfoCollector()
This pass is executed POST-RA to collect which physical registers are preserved by given machine func...
char & FinalizeMachineBundlesID
FinalizeMachineBundles - This pass finalize machine instruction bundles (created earlier, e.g.
MachineFunctionPass * createPrologEpilogInserterPass()
char & XRayInstrumentationID
This pass inserts the XRay instrumentation sleds if they are supported by the target platform...
char & EarlyTailDuplicateID
Duplicate blocks with unconditional branches into tails of their predecessors.
char & UnreachableMachineBlockElimID
UnreachableMachineBlockElimination - This pass removes unreachable machine basic blocks.
char & MachineCSEID
MachineCSE - This pass performs global CSE on machine instructions.
Definition: MachineCSE.cpp:134
char & StackSlotColoringID
StackSlotColoring - This pass performs stack slot coloring.
char & ExpandPostRAPseudosID
ExpandPostRAPseudos - This pass expands pseudo instructions after register allocation.
char & ExpandISelPseudosID
ExpandISelPseudos - This pass expands pseudo-instructions.
char & DeadMachineInstructionElimID
DeadMachineInstructionElim - This pass removes dead machine instructions.
FunctionPass * createUnreachableBlockEliminationPass()
createUnreachableBlockEliminationPass - The LLVM code generator does not work well with unreachable b...
char & LiveIntervalsID
LiveIntervals - This analysis keeps track of the live ranges of virtual and physical registers...
FunctionPass * createWasmEHPass()
createWasmEHPass - This pass adapts exception handling code to use WebAssembly&#39;s exception handling s...
char & RABasicID
Basic register allocator.
FunctionPass * createGCInfoPrinter(raw_ostream &OS)
Creates a pass to print GC metadata.
Definition: GCMetadata.cpp:92
char & SpillPlacementID
SpillPlacement analysis.
char & PHIEliminationID
PHIElimination - This pass eliminates machine instruction PHI nodes by inserting copy instructions...
char & LiveRangeShrinkID
LiveRangeShrink pass.
char & LiveVariablesID
LiveVariables pass - This pass computes the set of blocks in which each variable is life and sets mac...
ModulePass * createForwardControlFlowIntegrityPass()
createForwardControlFlowIntegrityPass - This pass adds control-flow integrity.
FunctionPass * createRegUsageInfoPropPass()
Return a MachineFunction pass that identifies call sites and propagates register usage information of...
char & LiveStacksID
LiveStacks pass. An analysis keeping track of the liveness of stack slots.
Definition: LiveStacks.cpp:34
FunctionPass * createInterleavedAccessPass()
InterleavedAccess Pass - This pass identifies and matches interleaved memory accesses to target speci...
char & PostRAMachineSinkingID
This pass perform post-ra machine sink for COPY instructions.
FunctionPass * createFreeMachineFunctionPass()
This pass frees the memory occupied by the MachineFunction.
FunctionPass * createBreakFalseDeps()
Creates Break False Dependencies pass.
FunctionPass * createDefaultPBQPRegisterAllocator()
PBQPRegisterAllocation Pass - This pass implements the Partitioned Boolean Quadratic Prograaming (PBQ...
char & LiveDebugValuesID
LiveDebugValues pass.
ModulePass * createMachineOutlinerPass()
This pass performs outlining on machine instructions directly before printing assembly.
FunctionPass * createWinEHPass(bool DemoteCatchSwitchPHIOnly=false)
createWinEHPass - Prepares personality functions used by MSVC on Windows, in addition to the Itanium ...
FunctionPass * createStackProtectorPass()
createStackProtectorPass - This pass adds stack protectors to functions.
char & MIRPrintingPassID
MIRPrintingPass - this pass prints out the LLVM IR using the MIR serialization format.
char & UnpackMachineBundlesID
UnpackMachineBundles - This pass unpack machine instruction bundles.
char & MachineCopyPropagationID
MachineCopyPropagation - This pass performs copy propagation on machine instructions.
char & TwoAddressInstructionPassID
TwoAddressInstruction - This pass reduces two-address instructions to use two operands.
char & ImplicitNullChecksID
ImplicitNullChecks - This pass folds null pointer checks into nearby memory operations.
FunctionPass * createIndirectBrExpandPass()
char & PostRASchedulerID
createPostRAScheduler - This pass performs post register allocation scheduling.
ModulePass * createLowerEmuTLSPass()
LowerEmuTLS - This pass generates __emutls_[vt].xyz variables for all TLS variables for the emulated ...
print lazy value Lazy Value Info Printer Pass
char & StackMapLivenessID
StackMapLiveness - This pass analyses the register live-out set of stackmap/patchpoint intrinsics and...
char & TailDuplicateID
TailDuplicate - Duplicate blocks with unconditional branches into tails of their predecessors.
char & MachineSinkingID
MachineSinking - This pass performs sinking on machine instructions.
FunctionPass * createBasicRegisterAllocator()
BasicRegisterAllocation Pass - This pass implements a degenerate global register allocator using the ...
char & MachinePipelinerID
This pass performs software pipelining on machine instructions.
char & EarlyMachineLICMID
This pass performs loop invariant code motion on machine instructions.
MachineFunctionPass * createMachineFunctionPrinterPass(raw_ostream &OS, const std::string &Banner="")
MachineFunctionPrinter pass - This pass prints out the machine function to the given stream as a debu...
char & MachineTraceMetricsID
MachineTraceMetrics - This pass computes critical path and CPU resource usage in an ensemble of trace...
FunctionPass * createUnpackMachineBundles(std::function< bool(const MachineFunction &)> Ftor)
char & OptimizePHIsID
OptimizePHIs - This pass optimizes machine instruction PHIs to take advantage of opportunities create...
char & MachineDominanceFrontierID
MachineDominanaceFrontier - This pass is a machine dominators analysis pass.
char & PeepholeOptimizerID
PeepholeOptimizer - This pass performs peephole optimizations - like extension and comparison elimina...
FunctionPass * createCodeGenPreparePass()
createCodeGenPreparePass - Transform the code to expose more pattern matching during instruction sele...
char & PrologEpilogCodeInserterID
PrologEpilogCodeInserter - This pass inserts prolog and epilog code, and eliminates abstract frame re...
char & PatchableFunctionID
This pass implements the "patchable-function" attribute.
char & GCMachineCodeAnalysisID
GCMachineCodeAnalysis - Target-independent pass to mark safe points in machine code.
char & PostMachineSchedulerID
PostMachineScheduler - This pass schedules machine instructions postRA.
char & IfConverterID
IfConverter - This pass performs machine code if conversion.
FunctionPass * createGreedyRegisterAllocator()
Greedy register allocation pass - This pass implements a global register allocator for optimized buil...
char & MachineBlockPlacementID
MachineBlockPlacement - This pass places basic blocks based on branch probabilities.
char & EdgeBundlesID
EdgeBundles analysis - Bundle machine CFG edges.
FunctionPass * createSjLjEHPreparePass()
createSjLjEHPreparePass - This pass adapts exception handling code to use the GCC-style builtin setjm...
FunctionPass * createFastRegisterAllocator()
FastRegisterAllocation Pass - This pass register allocates as fast as possible.
char & PostRAHazardRecognizerID
createPostRAHazardRecognizer - This pass runs the post-ra hazard recognizer.
ModulePass * createPreISelIntrinsicLoweringPass()
This pass lowers the @llvm.load.relative intrinsic to instructions.
char & VirtRegRewriterID
VirtRegRewriter pass.
Definition: VirtRegMap.cpp:213
char & BranchFolderPassID
BranchFolding - This pass performs machine code CFG based optimizations to delete branches to branche...
print Print MemDeps of function
char & ShrinkWrapID
ShrinkWrap pass. Look for the best place to insert save and restore.
Definition: ShrinkWrap.cpp:250
char & LocalStackSlotAllocationID
LocalStackSlotAllocation - This pass assigns local frame indices to stack slots relative to one anoth...
FunctionPass * createAtomicExpandPass()
MachineFunctionPass * createPrintMIRPass(raw_ostream &OS)
MIRPrinting pass - this pass prints out the LLVM IR into the given stream using the MIR serialization...
FunctionPass * createCFIInstrInserter()
Creates CFI Instruction Inserter pass.
ModulePass * createJumpInstrTablesPass()
createJumpInstrTables - This pass creates jump-instruction tables.
FunctionPass * createDwarfEHPass()
createDwarfEHPass - This pass mulches exception handling code into a form adapted to code generation...