Run DCE after a LoopFlatten test to reduce spurious output [nfc]
[llvm-project.git] / llvm / include / llvm-c / Transforms / PassBuilder.h
blobd0466dd7fc0a127d00986d4cb424a11bbe866dc3
1 /*===-- llvm-c/Transform/PassBuilder.h - PassBuilder for LLVM C ---*- C -*-===*\
2 |* *|
3 |* Part of the LLVM Project, under the Apache License v2.0 with LLVM *|
4 |* Exceptions. *|
5 |* See https://llvm.org/LICENSE.txt for license information. *|
6 |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception *|
7 |* *|
8 |*===----------------------------------------------------------------------===*|
9 |* *|
10 |* This header contains the LLVM-C interface into the new pass manager *|
11 |* *|
12 \*===----------------------------------------------------------------------===*/
14 #ifndef LLVM_C_TRANSFORMS_PASSBUILDER_H
15 #define LLVM_C_TRANSFORMS_PASSBUILDER_H
17 #include "llvm-c/Error.h"
18 #include "llvm-c/TargetMachine.h"
19 #include "llvm-c/Types.h"
21 /**
22 * @defgroup LLVMCCoreNewPM New Pass Manager
23 * @ingroup LLVMCCore
25 * @{
28 LLVM_C_EXTERN_C_BEGIN
30 /**
31 * A set of options passed which are attached to the Pass Manager upon run.
33 * This corresponds to an llvm::LLVMPassBuilderOptions instance
35 * The details for how the different properties of this structure are used can
36 * be found in the source for LLVMRunPasses
38 typedef struct LLVMOpaquePassBuilderOptions *LLVMPassBuilderOptionsRef;
40 /**
41 * Construct and run a set of passes over a module
43 * This function takes a string with the passes that should be used. The format
44 * of this string is the same as opt's -passes argument for the new pass
45 * manager. Individual passes may be specified, separated by commas. Full
46 * pipelines may also be invoked using `default<O3>` and friends. See opt for
47 * full reference of the Passes format.
49 LLVMErrorRef LLVMRunPasses(LLVMModuleRef M, const char *Passes,
50 LLVMTargetMachineRef TM,
51 LLVMPassBuilderOptionsRef Options);
53 /**
54 * Create a new set of options for a PassBuilder
56 * Ownership of the returned instance is given to the client, and they are
57 * responsible for it. The client should call LLVMDisposePassBuilderOptions
58 * to free the pass builder options.
60 LLVMPassBuilderOptionsRef LLVMCreatePassBuilderOptions(void);
62 /**
63 * Toggle adding the VerifierPass for the PassBuilder, ensuring all functions
64 * inside the module is valid.
66 void LLVMPassBuilderOptionsSetVerifyEach(LLVMPassBuilderOptionsRef Options,
67 LLVMBool VerifyEach);
69 /**
70 * Toggle debug logging when running the PassBuilder
72 void LLVMPassBuilderOptionsSetDebugLogging(LLVMPassBuilderOptionsRef Options,
73 LLVMBool DebugLogging);
75 void LLVMPassBuilderOptionsSetLoopInterleaving(
76 LLVMPassBuilderOptionsRef Options, LLVMBool LoopInterleaving);
78 void LLVMPassBuilderOptionsSetLoopVectorization(
79 LLVMPassBuilderOptionsRef Options, LLVMBool LoopVectorization);
81 void LLVMPassBuilderOptionsSetSLPVectorization(
82 LLVMPassBuilderOptionsRef Options, LLVMBool SLPVectorization);
84 void LLVMPassBuilderOptionsSetLoopUnrolling(LLVMPassBuilderOptionsRef Options,
85 LLVMBool LoopUnrolling);
87 void LLVMPassBuilderOptionsSetForgetAllSCEVInLoopUnroll(
88 LLVMPassBuilderOptionsRef Options, LLVMBool ForgetAllSCEVInLoopUnroll);
90 void LLVMPassBuilderOptionsSetLicmMssaOptCap(LLVMPassBuilderOptionsRef Options,
91 unsigned LicmMssaOptCap);
93 void LLVMPassBuilderOptionsSetLicmMssaNoAccForPromotionCap(
94 LLVMPassBuilderOptionsRef Options, unsigned LicmMssaNoAccForPromotionCap);
96 void LLVMPassBuilderOptionsSetCallGraphProfile(
97 LLVMPassBuilderOptionsRef Options, LLVMBool CallGraphProfile);
99 void LLVMPassBuilderOptionsSetMergeFunctions(LLVMPassBuilderOptionsRef Options,
100 LLVMBool MergeFunctions);
102 void LLVMPassBuilderOptionsSetInlinerThreshold(
103 LLVMPassBuilderOptionsRef Options, int Threshold);
106 * Dispose of a heap-allocated PassBuilderOptions instance
108 void LLVMDisposePassBuilderOptions(LLVMPassBuilderOptionsRef Options);
111 * @}
114 LLVM_C_EXTERN_C_END
116 #endif // LLVM_C_TRANSFORMS_PASSBUILDER_H