llvm/tools/llvm-c-test/metadata.c

   1 /*===-- object.c - tool for testing libLLVM and llvm-c API ----------------===*\
   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 file implements the --add-named-metadata-operand and --set-metadata   *|
  11 |* commands in llvm-c-test.                                                   *|
  12 |*                                                                            *|
  13 \*===----------------------------------------------------------------------===*/
  14
  15 #include "llvm-c-test.h"
  16
  17 int llvm_add_named_metadata_operand(void) {
  18   LLVMModuleRef m = LLVMModuleCreateWithName("Mod");
  19   LLVMValueRef values[] = { LLVMConstInt(LLVMInt32Type(), 0, 0) };
  20
  21   // This used to trigger an assertion
  22   LLVMAddNamedMetadataOperand(m, "name", LLVMMDNode(values, 1));
  23
  24   LLVMDisposeModule(m);
  25
  26   return 0;
  27 }
  28
  29 int llvm_set_metadata(void) {
  30   LLVMBuilderRef b = LLVMCreateBuilder();
  31   LLVMValueRef values[] = { LLVMConstInt(LLVMInt32Type(), 0, 0) };
  32
  33   // This used to trigger an assertion
  34   LLVMValueRef ret = LLVMBuildRetVoid(b);
  35   LLVMSetMetadata(ret, LLVMGetMDKindID("kind", 4), LLVMMDNode(values, 1));
  36
  37   LLVMDisposeBuilder(b);
  38   LLVMDeleteInstruction(ret);
  39
  40   return 0;
  41 }