[DAGCombiner] Add target hook function to decide folding (mul (add x, c1), c2)
[llvm-project.git] / llvm / include / llvm-c / Transforms / PassBuilder.h
blob5635f10d68770318b71acfdc779d9d631bad316f
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 LLVM_C_EXTERN_C_BEGIN
23 /**
24 * A set of options passed which are attached to the Pass Manager upon run.
26 * This corresponds to an llvm::LLVMPassBuilderOptions instance
28 * The details for how the different properties of this structure are used can
29 * be found in the source for LLVMRunPasses
31 typedef struct LLVMOpaquePassBuilderOptions *LLVMPassBuilderOptionsRef;
33 /**
34 * Construct and run a set of passes over a module
36 * This function takes a string with the passes that should be used. The format
37 * of this string is the same as opt's -passes argument for the new pass
38 * manager. Individual passes may be specified, separated by commas. Full
39 * pipelines may also be invoked using `default<O3>` and friends. See opt for
40 * full reference of the Passes format.
42 LLVMErrorRef LLVMRunPasses(LLVMModuleRef M, const char *Passes,
43 LLVMTargetMachineRef TM,
44 LLVMPassBuilderOptionsRef Options);
46 /**
47 * Create a new set of options for a PassBuilder
49 * Ownership of the returned instance is given to the client, and they are
50 * responsible for it. The client should call LLVMDisposePassBuilderOptions
51 * to free the pass builder options.
53 LLVMPassBuilderOptionsRef LLVMCreatePassBuilderOptions();
55 /**
56 * Toggle adding the VerifierPass for the PassBuilder, ensuring all functions
57 * inside the module is valid.
59 void LLVMPassBuilderOptionsSetVerifyEach(LLVMPassBuilderOptionsRef Options,
60 LLVMBool VerifyEach);
62 /**
63 * Toggle debug logging when running the PassBuilder
65 void LLVMPassBuilderOptionsSetDebugLogging(LLVMPassBuilderOptionsRef Options,
66 LLVMBool DebugLogging);
68 void LLVMPassBuilderOptionsSetLoopInterleaving(
69 LLVMPassBuilderOptionsRef Options, LLVMBool LoopInterleaving);
71 void LLVMPassBuilderOptionsSetLoopVectorization(
72 LLVMPassBuilderOptionsRef Options, LLVMBool LoopVectorization);
74 void LLVMPassBuilderOptionsSetSLPVectorization(
75 LLVMPassBuilderOptionsRef Options, LLVMBool SLPVectorization);
77 void LLVMPassBuilderOptionsSetLoopUnrolling(LLVMPassBuilderOptionsRef Options,
78 LLVMBool LoopUnrolling);
80 void LLVMPassBuilderOptionsSetForgetAllSCEVInLoopUnroll(
81 LLVMPassBuilderOptionsRef Options, LLVMBool ForgetAllSCEVInLoopUnroll);
83 void LLVMPassBuilderOptionsSetLicmMssaOptCap(LLVMPassBuilderOptionsRef Options,
84 unsigned LicmMssaOptCap);
86 void LLVMPassBuilderOptionsSetLicmMssaNoAccForPromotionCap(
87 LLVMPassBuilderOptionsRef Options, unsigned LicmMssaNoAccForPromotionCap);
89 void LLVMPassBuilderOptionsSetCallGraphProfile(
90 LLVMPassBuilderOptionsRef Options, LLVMBool CallGraphProfile);
92 void LLVMPassBuilderOptionsSetMergeFunctions(LLVMPassBuilderOptionsRef Options,
93 LLVMBool MergeFunctions);
95 /**
96 * Dispose of a heap-allocated PassBuilderOptions instance
98 void LLVMDisposePassBuilderOptions(LLVMPassBuilderOptionsRef Options);
100 LLVM_C_EXTERN_C_END
102 #endif // LLVM_C_TRANSFORMS_PASSBUILDER_H