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[MLIR][CAPI] export LLVMFunctionType param getter and setters #121888

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Merged
merged 1 commit into from
Jan 7, 2025
Merged

[MLIR][CAPI] export LLVMFunctionType param getter and setters #121888

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7 changes: 7 additions & 0 deletions mlir/include/mlir-c/Dialect/LLVM.h
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,13 @@ MLIR_CAPI_EXPORTED MlirType
mlirLLVMFunctionTypeGet(MlirType resultType, intptr_t nArgumentTypes,
MlirType const *argumentTypes, bool isVarArg);

/// Returns the number of input types.
MLIR_CAPI_EXPORTED intptr_t mlirLLVMFunctionTypeGetNumInputs(MlirType type);

/// Returns the pos-th input type.
MLIR_CAPI_EXPORTED MlirType mlirLLVMFunctionTypeGetInput(MlirType type,
intptr_t pos);

/// Returns `true` if the type is an LLVM dialect struct type.
MLIR_CAPI_EXPORTED bool mlirTypeIsALLVMStructType(MlirType type);

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10 changes: 10 additions & 0 deletions mlir/lib/CAPI/Dialect/LLVM.cpp
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Expand Up @@ -55,6 +55,16 @@ MlirType mlirLLVMFunctionTypeGet(MlirType resultType, intptr_t nArgumentTypes,
unwrapList(nArgumentTypes, argumentTypes, argumentStorage), isVarArg));
}

intptr_t mlirLLVMFunctionTypeGetNumInputs(MlirType type) {
return llvm::cast<LLVM::LLVMFunctionType>(unwrap(type)).getNumParams();
}

MlirType mlirLLVMFunctionTypeGetInput(MlirType type, intptr_t pos) {
assert(pos >= 0 && "pos in array must be positive");
return wrap(llvm::cast<LLVM::LLVMFunctionType>(unwrap(type))
.getParamType(static_cast<unsigned>(pos)));
}

bool mlirTypeIsALLVMStructType(MlirType type) {
return isa<LLVM::LLVMStructType>(unwrap(type));
}
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