| /*===-- object.c - tool for testing libLLVM and llvm-c API ----------------===*\ |
| |* *| |
| |* 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 file implements the --add-named-metadata-operand and --set-metadata *| |
| |* commands in llvm-c-test. *| |
| |* *| |
| \*===----------------------------------------------------------------------===*/ |
| |
| #include "llvm-c-test.h" |
| #include "llvm-c/Types.h" |
| |
| #include <assert.h> |
| #include <string.h> |
| |
| int llvm_add_named_metadata_operand(void) { |
| LLVMModuleRef M = LLVMModuleCreateWithName("Mod"); |
| LLVMValueRef Int = LLVMConstInt(LLVMInt32Type(), 0, 0); |
| |
| // This used to trigger an assertion |
| LLVMAddNamedMetadataOperand(M, "name", LLVMMDNode(&Int, 1)); |
| |
| LLVMDisposeModule(M); |
| |
| return 0; |
| } |
| |
| int llvm_set_metadata(void) { |
| LLVMBuilderRef Builder = LLVMCreateBuilder(); |
| |
| // This used to trigger an assertion |
| LLVMValueRef Return = LLVMBuildRetVoid(Builder); |
| |
| const char Name[] = "kind"; |
| LLVMValueRef Int = LLVMConstInt(LLVMInt32Type(), 0, 0); |
| LLVMSetMetadata(Return, LLVMGetMDKindID(Name, strlen(Name)), |
| LLVMMDNode(&Int, 1)); |
| |
| LLVMDisposeBuilder(Builder); |
| LLVMDeleteInstruction(Return); |
| |
| return 0; |
| } |
| |
| int llvm_replace_md_operand(void) { |
| LLVMModuleRef M = LLVMModuleCreateWithName("Mod"); |
| LLVMContextRef Context = LLVMGetModuleContext(M); |
| |
| const char String1[] = "foo"; |
| LLVMMetadataRef String1MD = |
| LLVMMDStringInContext2(Context, String1, strlen(String1)); |
| LLVMMetadataRef NodeMD = LLVMMDNodeInContext2(Context, &String1MD, 1); |
| LLVMValueRef Value = LLVMMetadataAsValue(Context, NodeMD); |
| |
| const char String2[] = "bar"; |
| LLVMMetadataRef String2MD = |
| LLVMMDStringInContext2(Context, String2, strlen(String2)); |
| LLVMReplaceMDNodeOperandWith(Value, 0, String2MD); |
| |
| LLVMValueRef Operand = LLVMGetOperand(Value, 0); |
| |
| unsigned int Len; |
| const char *String = LLVMGetMDString(Operand, &Len); |
| assert(Len == strlen(String2)); |
| assert(strncmp(String, String2, Len) == 0); |
| (void)String; |
| |
| LLVMDisposeModule(M); |
| |
| return 0; |
| } |
| |
| int llvm_is_a_value_as_metadata(void) { |
| LLVMModuleRef M = LLVMModuleCreateWithName("Mod"); |
| LLVMContextRef Context = LLVMGetModuleContext(M); |
| |
| { |
| LLVMValueRef Int = LLVMConstInt(LLVMInt32Type(), 0, 0); |
| LLVMValueRef NodeMD = LLVMMDNode(&Int, 1); |
| assert(LLVMIsAValueAsMetadata(NodeMD) == NodeMD); |
| (void)NodeMD; |
| } |
| |
| { |
| const char String[] = "foo"; |
| LLVMMetadataRef StringMD = |
| LLVMMDStringInContext2(Context, String, strlen(String)); |
| LLVMMetadataRef NodeMD = LLVMMDNodeInContext2(Context, &StringMD, 1); |
| LLVMValueRef Value = LLVMMetadataAsValue(Context, NodeMD); |
| assert(LLVMIsAValueAsMetadata(Value) == NULL); |
| (void)Value; |
| } |
| |
| return 0; |
| } |