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diff --git a/llvm/include/llvm-c/Transforms/Scalar.h b/llvm/include/llvm-c/Transforms/Scalar.h
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+/*===-- Scalar.h - Scalar Transformation Library C Interface ----*- C++ -*-===*\
+|*                                                                            *|
+|* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
+|* Exceptions.                                                                *|
+|* See https://llvm.org/LICENSE.txt for license information.                  *|
+|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This header declares the C interface to libLLVMScalarOpts.a, which         *|
+|* implements various scalar transformations of the LLVM IR.                  *|
+|*                                                                            *|
+|* Many exotic languages can interoperate with C code but have a harder time  *|
+|* with C++ due to name mangling. So in addition to C, this interface enables *|
+|* tools written in such languages.                                           *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#ifndef LLVM_C_TRANSFORMS_SCALAR_H
+#define LLVM_C_TRANSFORMS_SCALAR_H
+
+#include "llvm-c/Types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup LLVMCTransformsScalar Scalar transformations
+ * @ingroup LLVMCTransforms
+ *
+ * @{
+ */
+
+/** See llvm::createAggressiveDCEPass function. */
+void LLVMAddAggressiveDCEPass(LLVMPassManagerRef PM);
+
+/** See llvm::createDeadCodeEliminationPass function. */
+void LLVMAddDCEPass(LLVMPassManagerRef PM);
+
+/** See llvm::createBitTrackingDCEPass function. */
+void LLVMAddBitTrackingDCEPass(LLVMPassManagerRef PM);
+
+/** See llvm::createAlignmentFromAssumptionsPass function. */
+void LLVMAddAlignmentFromAssumptionsPass(LLVMPassManagerRef PM);
+
+/** See llvm::createCFGSimplificationPass function. */
+void LLVMAddCFGSimplificationPass(LLVMPassManagerRef PM);
+
+/** See llvm::createDeadStoreEliminationPass function. */
+void LLVMAddDeadStoreEliminationPass(LLVMPassManagerRef PM);
+
+/** See llvm::createScalarizerPass function. */
+void LLVMAddScalarizerPass(LLVMPassManagerRef PM);
+
+/** See llvm::createMergedLoadStoreMotionPass function. */
+void LLVMAddMergedLoadStoreMotionPass(LLVMPassManagerRef PM);
+
+/** See llvm::createGVNPass function. */
+void LLVMAddGVNPass(LLVMPassManagerRef PM);
+
+/** See llvm::createGVNPass function. */
+void LLVMAddNewGVNPass(LLVMPassManagerRef PM);
+
+/** See llvm::createIndVarSimplifyPass function. */
+void LLVMAddIndVarSimplifyPass(LLVMPassManagerRef PM);
+
+/** See llvm::createInstructionCombiningPass function. */
+void LLVMAddInstructionCombiningPass(LLVMPassManagerRef PM);
+
+/** See llvm::createJumpThreadingPass function. */
+void LLVMAddJumpThreadingPass(LLVMPassManagerRef PM);
+
+/** See llvm::createLICMPass function. */
+void LLVMAddLICMPass(LLVMPassManagerRef PM);
+
+/** See llvm::createLoopDeletionPass function. */
+void LLVMAddLoopDeletionPass(LLVMPassManagerRef PM);
+
+/** See llvm::createLoopIdiomPass function */
+void LLVMAddLoopIdiomPass(LLVMPassManagerRef PM);
+
+/** See llvm::createLoopRotatePass function. */
+void LLVMAddLoopRotatePass(LLVMPassManagerRef PM);
+
+/** See llvm::createLoopRerollPass function. */
+void LLVMAddLoopRerollPass(LLVMPassManagerRef PM);
+
+/** See llvm::createLoopUnrollPass function. */
+void LLVMAddLoopUnrollPass(LLVMPassManagerRef PM);
+
+/** See llvm::createLoopUnrollAndJamPass function. */
+void LLVMAddLoopUnrollAndJamPass(LLVMPassManagerRef PM);
+
+/** See llvm::createLoopUnswitchPass function. */
+void LLVMAddLoopUnswitchPass(LLVMPassManagerRef PM);
+
+/** See llvm::createLowerAtomicPass function. */
+void LLVMAddLowerAtomicPass(LLVMPassManagerRef PM);
+
+/** See llvm::createMemCpyOptPass function. */
+void LLVMAddMemCpyOptPass(LLVMPassManagerRef PM);
+
+/** See llvm::createPartiallyInlineLibCallsPass function. */
+void LLVMAddPartiallyInlineLibCallsPass(LLVMPassManagerRef PM);
+
+/** See llvm::createReassociatePass function. */
+void LLVMAddReassociatePass(LLVMPassManagerRef PM);
+
+/** See llvm::createSCCPPass function. */
+void LLVMAddSCCPPass(LLVMPassManagerRef PM);
+
+/** See llvm::createSROAPass function. */
+void LLVMAddScalarReplAggregatesPass(LLVMPassManagerRef PM);
+
+/** See llvm::createSROAPass function. */
+void LLVMAddScalarReplAggregatesPassSSA(LLVMPassManagerRef PM);
+
+/** See llvm::createSROAPass function. */
+void LLVMAddScalarReplAggregatesPassWithThreshold(LLVMPassManagerRef PM,
+                                                  int Threshold);
+
+/** See llvm::createSimplifyLibCallsPass function. */
+void LLVMAddSimplifyLibCallsPass(LLVMPassManagerRef PM);
+
+/** See llvm::createTailCallEliminationPass function. */
+void LLVMAddTailCallEliminationPass(LLVMPassManagerRef PM);
+
+/** See llvm::createConstantPropagationPass function. */
+void LLVMAddConstantPropagationPass(LLVMPassManagerRef PM);
+
+/** See llvm::demotePromoteMemoryToRegisterPass function. */
+void LLVMAddDemoteMemoryToRegisterPass(LLVMPassManagerRef PM);
+
+/** See llvm::createVerifierPass function. */
+void LLVMAddVerifierPass(LLVMPassManagerRef PM);
+
+/** See llvm::createCorrelatedValuePropagationPass function */
+void LLVMAddCorrelatedValuePropagationPass(LLVMPassManagerRef PM);
+
+/** See llvm::createEarlyCSEPass function */
+void LLVMAddEarlyCSEPass(LLVMPassManagerRef PM);
+
+/** See llvm::createEarlyCSEPass function */
+void LLVMAddEarlyCSEMemSSAPass(LLVMPassManagerRef PM);
+
+/** See llvm::createLowerExpectIntrinsicPass function */
+void LLVMAddLowerExpectIntrinsicPass(LLVMPassManagerRef PM);
+
+/** See llvm::createLowerConstantIntrinsicsPass function */
+void LLVMAddLowerConstantIntrinsicsPass(LLVMPassManagerRef PM);
+
+/** See llvm::createTypeBasedAliasAnalysisPass function */
+void LLVMAddTypeBasedAliasAnalysisPass(LLVMPassManagerRef PM);
+
+/** See llvm::createScopedNoAliasAAPass function */
+void LLVMAddScopedNoAliasAAPass(LLVMPassManagerRef PM);
+
+/** See llvm::createBasicAliasAnalysisPass function */
+void LLVMAddBasicAliasAnalysisPass(LLVMPassManagerRef PM);
+
+/** See llvm::createUnifyFunctionExitNodesPass function */
+void LLVMAddUnifyFunctionExitNodesPass(LLVMPassManagerRef PM);
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif /* defined(__cplusplus) */
+
+#endif