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Add a -suppress-warnings option to bitcode linking.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200927 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Bendersky 2014-02-06 18:01:56 +00:00
parent efcc736270
commit 6984ee6aa2
1 changed files with 22 additions and 9 deletions
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15
lib/Linker/LinkModules.cpp
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@ -19,12 +19,18 @@
#include "llvm/IR/Constants.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/TypeFinder.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/Utils/Cloning.h"
#include <cctype>
using namespace llvm;
static cl::opt<bool>
SuppressWarnings("suppress-warnings", cl::desc("Suppress all linking warnings"),
cl::init(false));
//===----------------------------------------------------------------------===//
// TypeMap implementation.
//===----------------------------------------------------------------------===//
@ -1134,9 +1140,11 @@ bool ModuleLinker::linkModuleFlagsMetadata() {
case Module::Warning: {
// Emit a warning if the values differ.
if (SrcOp->getOperand(2) != DstOp->getOperand(2)) {
if (!SuppressWarnings) {
errs() << "WARNING: linking module flags '" << ID->getString()
<< "': IDs have conflicting values";
}
}
continue;
}
case Module::Append: {
@ -1201,16 +1209,21 @@ bool ModuleLinker::run() {
DstM->setTargetTriple(SrcM->getTargetTriple());
if (!SrcM->getDataLayout().empty() && !DstM->getDataLayout().empty() &&
SrcM->getDataLayout() != DstM->getDataLayout())
SrcM->getDataLayout() != DstM->getDataLayout()) {
if (!SuppressWarnings) {
errs() << "WARNING: Linking two modules of different data layouts!\n";
}
}
if (!SrcM->getTargetTriple().empty() &&
DstM->getTargetTriple() != SrcM->getTargetTriple()) {
if (!SuppressWarnings) {
errs() << "WARNING: Linking two modules of different target triples: ";
if (!SrcM->getModuleIdentifier().empty())
errs() << SrcM->getModuleIdentifier() << ": ";
errs() << "'" << SrcM->getTargetTriple() << "' and '"
<< DstM->getTargetTriple() << "'\n";
}
}
// Append the module inline asm string.
if (!SrcM->getModuleInlineAsm().empty()) {