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Return a std::unique_ptr from the IRReader.h functions. NFC.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216466 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-08-26 17:29:46 +00:00
parent 1bfd87a150
commit 81e49922a8
10 changed files with 51 additions and 55 deletions
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22
tools/llvm-diff/llvm-diff.cpp
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@ -32,21 +32,22 @@ using namespace llvm;
/// Reads a module from a file. On error, messages are written to stderr
/// and null is returned.
static Module *ReadModule(LLVMContext &Context, StringRef Name) {
static std::unique_ptr<Module> readModule(LLVMContext &Context,
StringRef Name) {
SMDiagnostic Diag;
Module *M = ParseIRFile(Name, Diag, Context);
std::unique_ptr<Module> M = parseIRFile(Name, Diag, Context);
if (!M)
Diag.print("llvm-diff", errs());
return M;
}
static void diffGlobal(DifferenceEngine &Engine, Module *L, Module *R,
static void diffGlobal(DifferenceEngine &Engine, Module &L, Module &R,
StringRef Name) {
// Drop leading sigils from the global name.
if (Name.startswith("@")) Name = Name.substr(1);
Function *LFn = L->getFunction(Name);
Function *RFn = R->getFunction(Name);
Function *LFn = L.getFunction(Name);
Function *RFn = R.getFunction(Name);
if (LFn && RFn)
Engine.diff(LFn, RFn);
else if (!LFn && !RFn)
@ -72,8 +73,8 @@ int main(int argc, char **argv) {
LLVMContext Context;
// Load both modules. Die if that fails.
Module *LModule = ReadModule(Context, LeftFilename);
Module *RModule = ReadModule(Context, RightFilename);
std::unique_ptr<Module> LModule = readModule(Context, LeftFilename);
std::unique_ptr<Module> RModule = readModule(Context, RightFilename);
if (!LModule || !RModule) return 1;
DiffConsumer Consumer;
@ -82,15 +83,12 @@ int main(int argc, char **argv) {
// If any global names were given, just diff those.
if (!GlobalsToCompare.empty()) {
for (unsigned I = 0, E = GlobalsToCompare.size(); I != E; ++I)
diffGlobal(Engine, LModule, RModule, GlobalsToCompare[I]);
diffGlobal(Engine, *LModule, *RModule, GlobalsToCompare[I]);
// Otherwise, diff everything in the module.
} else {
Engine.diff(LModule, RModule);
Engine.diff(LModule.get(), RModule.get());
}
delete LModule;
delete RModule;
return Consumer.hadDifferences();
}