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54eafd1bb6
Address clang-tidy warnings, correct usage text. Differential Revision: https://reviews.llvm.org/D154661
101 lines
3.3 KiB
C
101 lines
3.3 KiB
C
/*===-- object.c - tool for testing libLLVM and llvm-c API ----------------===*\
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|* *|
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|* Part of the LLVM Project, under the Apache License v2.0 with LLVM *|
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|* Exceptions. *|
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|* See https://llvm.org/LICENSE.txt for license information. *|
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|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception *|
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|* *|
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|*===----------------------------------------------------------------------===*|
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|* *|
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|* This file implements the --add-named-metadata-operand and --set-metadata *|
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|* commands in llvm-c-test. *|
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|* *|
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\*===----------------------------------------------------------------------===*/
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#include "llvm-c-test.h"
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#include "llvm-c/Types.h"
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#include <assert.h>
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#include <string.h>
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int llvm_add_named_metadata_operand(void) {
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LLVMModuleRef M = LLVMModuleCreateWithName("Mod");
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LLVMValueRef Int = LLVMConstInt(LLVMInt32Type(), 0, 0);
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// This used to trigger an assertion
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LLVMAddNamedMetadataOperand(M, "name", LLVMMDNode(&Int, 1));
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LLVMDisposeModule(M);
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return 0;
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}
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int llvm_set_metadata(void) {
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LLVMBuilderRef Builder = LLVMCreateBuilder();
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// This used to trigger an assertion
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LLVMValueRef Return = LLVMBuildRetVoid(Builder);
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const char Name[] = "kind";
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LLVMValueRef Int = LLVMConstInt(LLVMInt32Type(), 0, 0);
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LLVMSetMetadata(Return, LLVMGetMDKindID(Name, strlen(Name)),
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LLVMMDNode(&Int, 1));
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LLVMDisposeBuilder(Builder);
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LLVMDeleteInstruction(Return);
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return 0;
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}
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int llvm_replace_md_operand(void) {
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LLVMModuleRef M = LLVMModuleCreateWithName("Mod");
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LLVMContextRef Context = LLVMGetModuleContext(M);
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const char String1[] = "foo";
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LLVMMetadataRef String1MD =
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LLVMMDStringInContext2(Context, String1, strlen(String1));
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LLVMMetadataRef NodeMD = LLVMMDNodeInContext2(Context, &String1MD, 1);
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LLVMValueRef Value = LLVMMetadataAsValue(Context, NodeMD);
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const char String2[] = "bar";
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LLVMMetadataRef String2MD =
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LLVMMDStringInContext2(Context, String2, strlen(String2));
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LLVMReplaceMDNodeOperandWith(Value, 0, String2MD);
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LLVMValueRef Operand = LLVMGetOperand(Value, 0);
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unsigned int Len;
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const char *String = LLVMGetMDString(Operand, &Len);
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assert(Len == strlen(String2));
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assert(strncmp(String, String2, Len) == 0);
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(void)String;
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LLVMDisposeModule(M);
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return 0;
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}
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int llvm_is_a_value_as_metadata(void) {
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LLVMModuleRef M = LLVMModuleCreateWithName("Mod");
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LLVMContextRef Context = LLVMGetModuleContext(M);
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{
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LLVMValueRef Int = LLVMConstInt(LLVMInt32Type(), 0, 0);
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LLVMValueRef NodeMD = LLVMMDNode(&Int, 1);
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assert(LLVMIsAValueAsMetadata(NodeMD) == NodeMD);
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(void)NodeMD;
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}
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{
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const char String[] = "foo";
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LLVMMetadataRef StringMD =
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LLVMMDStringInContext2(Context, String, strlen(String));
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LLVMMetadataRef NodeMD = LLVMMDNodeInContext2(Context, &StringMD, 1);
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LLVMValueRef Value = LLVMMetadataAsValue(Context, NodeMD);
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assert(LLVMIsAValueAsMetadata(Value) == NULL);
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(void)Value;
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}
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return 0;
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}
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