aboutsummaryrefslogtreecommitdiff
path: root/contrib/llvm/tools/llvm-diff/DiffConsumer.cpp
diff options
context:
space:
mode:
authorDimitry Andric <dim@FreeBSD.org>2019-12-20 19:53:05 +0000
committerDimitry Andric <dim@FreeBSD.org>2019-12-20 19:53:05 +0000
commit0b57cec536236d46e3dba9bd041533462f33dbb7 (patch)
tree56229dbdbbf76d18580f72f789003db17246c8d9 /contrib/llvm/tools/llvm-diff/DiffConsumer.cpp
parent718ef55ec7785aae63f98f8ca05dc07ed399c16d (diff)
Notes
Diffstat (limited to 'contrib/llvm/tools/llvm-diff/DiffConsumer.cpp')
-rw-r--r--contrib/llvm/tools/llvm-diff/DiffConsumer.cpp213
1 files changed, 0 insertions, 213 deletions
diff --git a/contrib/llvm/tools/llvm-diff/DiffConsumer.cpp b/contrib/llvm/tools/llvm-diff/DiffConsumer.cpp
deleted file mode 100644
index b797143bde1b..000000000000
--- a/contrib/llvm/tools/llvm-diff/DiffConsumer.cpp
+++ /dev/null
@@ -1,213 +0,0 @@
-//===-- DiffConsumer.cpp - Difference Consumer ------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// This files implements the LLVM difference Consumer
-//
-//===----------------------------------------------------------------------===//
-
-#include "DiffConsumer.h"
-#include "llvm/IR/Instructions.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/ErrorHandling.h"
-
-using namespace llvm;
-
-static void ComputeNumbering(Function *F, DenseMap<Value*,unsigned> &Numbering){
- unsigned IN = 0;
-
- // Arguments get the first numbers.
- for (Function::arg_iterator
- AI = F->arg_begin(), AE = F->arg_end(); AI != AE; ++AI)
- if (!AI->hasName())
- Numbering[&*AI] = IN++;
-
- // Walk the basic blocks in order.
- for (Function::iterator FI = F->begin(), FE = F->end(); FI != FE; ++FI) {
- if (!FI->hasName())
- Numbering[&*FI] = IN++;
-
- // Walk the instructions in order.
- for (BasicBlock::iterator BI = FI->begin(), BE = FI->end(); BI != BE; ++BI)
- // void instructions don't get numbers.
- if (!BI->hasName() && !BI->getType()->isVoidTy())
- Numbering[&*BI] = IN++;
- }
-
- assert(!Numbering.empty() && "asked for numbering but numbering was no-op");
-}
-
-
-void Consumer::anchor() { }
-
-void DiffConsumer::printValue(Value *V, bool isL) {
- if (V->hasName()) {
- out << (isa<GlobalValue>(V) ? '@' : '%') << V->getName();
- return;
- }
- if (V->getType()->isVoidTy()) {
- if (isa<StoreInst>(V)) {
- out << "store to ";
- printValue(cast<StoreInst>(V)->getPointerOperand(), isL);
- } else if (isa<CallInst>(V)) {
- out << "call to ";
- printValue(cast<CallInst>(V)->getCalledValue(), isL);
- } else if (isa<InvokeInst>(V)) {
- out << "invoke to ";
- printValue(cast<InvokeInst>(V)->getCalledValue(), isL);
- } else {
- out << *V;
- }
- return;
- }
- if (isa<Constant>(V)) {
- out << *V;
- return;
- }
-
- unsigned N = contexts.size();
- while (N > 0) {
- --N;
- DiffContext &ctxt = contexts[N];
- if (!ctxt.IsFunction) continue;
- if (isL) {
- if (ctxt.LNumbering.empty())
- ComputeNumbering(cast<Function>(ctxt.L), ctxt.LNumbering);
- out << '%' << ctxt.LNumbering[V];
- return;
- } else {
- if (ctxt.RNumbering.empty())
- ComputeNumbering(cast<Function>(ctxt.R), ctxt.RNumbering);
- out << '%' << ctxt.RNumbering[V];
- return;
- }
- }
-
- out << "<anonymous>";
-}
-
-void DiffConsumer::header() {
- if (contexts.empty()) return;
- for (SmallVectorImpl<DiffContext>::iterator
- I = contexts.begin(), E = contexts.end(); I != E; ++I) {
- if (I->Differences) continue;
- if (isa<Function>(I->L)) {
- // Extra newline between functions.
- if (Differences) out << "\n";
-
- Function *L = cast<Function>(I->L);
- Function *R = cast<Function>(I->R);
- if (L->getName() != R->getName())
- out << "in function " << L->getName()
- << " / " << R->getName() << ":\n";
- else
- out << "in function " << L->getName() << ":\n";
- } else if (isa<BasicBlock>(I->L)) {
- BasicBlock *L = cast<BasicBlock>(I->L);
- BasicBlock *R = cast<BasicBlock>(I->R);
- if (L->hasName() && R->hasName() && L->getName() == R->getName())
- out << " in block %" << L->getName() << ":\n";
- else {
- out << " in block ";
- printValue(L, true);
- out << " / ";
- printValue(R, false);
- out << ":\n";
- }
- } else if (isa<Instruction>(I->L)) {
- out << " in instruction ";
- printValue(I->L, true);
- out << " / ";
- printValue(I->R, false);
- out << ":\n";
- }
-
- I->Differences = true;
- }
-}
-
-void DiffConsumer::indent() {
- unsigned N = Indent;
- while (N--) out << ' ';
-}
-
-bool DiffConsumer::hadDifferences() const {
- return Differences;
-}
-
-void DiffConsumer::enterContext(Value *L, Value *R) {
- contexts.push_back(DiffContext(L, R));
- Indent += 2;
-}
-
-void DiffConsumer::exitContext() {
- Differences |= contexts.back().Differences;
- contexts.pop_back();
- Indent -= 2;
-}
-
-void DiffConsumer::log(StringRef text) {
- header();
- indent();
- out << text << '\n';
-}
-
-void DiffConsumer::logf(const LogBuilder &Log) {
- header();
- indent();
-
- unsigned arg = 0;
-
- StringRef format = Log.getFormat();
- while (true) {
- size_t percent = format.find('%');
- if (percent == StringRef::npos) {
- out << format;
- break;
- }
- assert(format[percent] == '%');
-
- if (percent > 0) out << format.substr(0, percent);
-
- switch (format[percent+1]) {
- case '%': out << '%'; break;
- case 'l': printValue(Log.getArgument(arg++), true); break;
- case 'r': printValue(Log.getArgument(arg++), false); break;
- default: llvm_unreachable("unknown format character");
- }
-
- format = format.substr(percent+2);
- }
-
- out << '\n';
-}
-
-void DiffConsumer::logd(const DiffLogBuilder &Log) {
- header();
-
- for (unsigned I = 0, E = Log.getNumLines(); I != E; ++I) {
- indent();
- switch (Log.getLineKind(I)) {
- case DC_match:
- out << " ";
- Log.getLeft(I)->print(dbgs()); dbgs() << '\n';
- //printValue(Log.getLeft(I), true);
- break;
- case DC_left:
- out << "< ";
- Log.getLeft(I)->print(dbgs()); dbgs() << '\n';
- //printValue(Log.getLeft(I), true);
- break;
- case DC_right:
- out << "> ";
- Log.getRight(I)->print(dbgs()); dbgs() << '\n';
- //printValue(Log.getRight(I), false);
- break;
- }
- //out << "\n";
- }
-}