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ae65e281f3
to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
139 lines
3.9 KiB
C
139 lines
3.9 KiB
C
/*===-- module.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 --module-dump, --module-list-functions and *|
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|* --module-list-globals 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/BitReader.h"
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#include <stdio.h>
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#include <stdlib.h>
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static void diagnosticHandler(LLVMDiagnosticInfoRef DI, void *C) {
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char *CErr = LLVMGetDiagInfoDescription(DI);
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fprintf(stderr, "Error with new bitcode parser: %s\n", CErr);
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LLVMDisposeMessage(CErr);
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exit(1);
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}
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LLVMModuleRef llvm_load_module(bool Lazy, bool New) {
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LLVMMemoryBufferRef MB;
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LLVMModuleRef M;
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char *msg = NULL;
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if (LLVMCreateMemoryBufferWithSTDIN(&MB, &msg)) {
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fprintf(stderr, "Error reading file: %s\n", msg);
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exit(1);
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}
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LLVMBool Ret;
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if (New) {
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LLVMContextRef C = LLVMGetGlobalContext();
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LLVMContextSetDiagnosticHandler(C, diagnosticHandler, NULL);
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if (Lazy)
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Ret = LLVMGetBitcodeModule2(MB, &M);
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else
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Ret = LLVMParseBitcode2(MB, &M);
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} else {
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if (Lazy)
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Ret = LLVMGetBitcodeModule(MB, &M, &msg);
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else
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Ret = LLVMParseBitcode(MB, &M, &msg);
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}
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if (Ret) {
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fprintf(stderr, "Error parsing bitcode: %s\n", msg);
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LLVMDisposeMemoryBuffer(MB);
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exit(1);
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}
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if (!Lazy)
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LLVMDisposeMemoryBuffer(MB);
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return M;
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}
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int llvm_module_dump(bool Lazy, bool New) {
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LLVMModuleRef M = llvm_load_module(Lazy, New);
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char *irstr = LLVMPrintModuleToString(M);
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puts(irstr);
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LLVMDisposeMessage(irstr);
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LLVMDisposeModule(M);
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return 0;
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}
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int llvm_module_list_functions(void) {
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LLVMModuleRef M = llvm_load_module(false, false);
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LLVMValueRef f;
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f = LLVMGetFirstFunction(M);
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while (f) {
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if (LLVMIsDeclaration(f)) {
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printf("FunctionDeclaration: %s\n", LLVMGetValueName(f));
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} else {
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LLVMBasicBlockRef bb;
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LLVMValueRef isn;
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unsigned nisn = 0;
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unsigned nbb = 0;
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printf("FunctionDefinition: %s [#bb=%u]\n", LLVMGetValueName(f),
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LLVMCountBasicBlocks(f));
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for (bb = LLVMGetFirstBasicBlock(f); bb;
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bb = LLVMGetNextBasicBlock(bb)) {
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nbb++;
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for (isn = LLVMGetFirstInstruction(bb); isn;
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isn = LLVMGetNextInstruction(isn)) {
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nisn++;
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if (LLVMIsACallInst(isn)) {
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LLVMValueRef callee =
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LLVMGetOperand(isn, LLVMGetNumOperands(isn) - 1);
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printf(" calls: %s\n", LLVMGetValueName(callee));
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}
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}
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}
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printf(" #isn: %u\n", nisn);
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printf(" #bb: %u\n\n", nbb);
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}
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f = LLVMGetNextFunction(f);
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}
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LLVMDisposeModule(M);
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return 0;
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}
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int llvm_module_list_globals(void) {
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LLVMModuleRef M = llvm_load_module(false, false);
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LLVMValueRef g;
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g = LLVMGetFirstGlobal(M);
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while (g) {
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LLVMTypeRef T = LLVMTypeOf(g);
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char *s = LLVMPrintTypeToString(T);
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printf("Global%s: %s %s\n",
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LLVMIsDeclaration(g) ? "Declaration" : "Definition",
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LLVMGetValueName(g), s);
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LLVMDisposeMessage(s);
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g = LLVMGetNextGlobal(g);
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}
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LLVMDisposeModule(M);
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return 0;
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}
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