Add m-esr52 at 52.6.0

1 files changed, 194 insertions, 0 deletions

diff --git a/js/src/jit/C1Spewer.cpp b/js/src/jit/C1Spewer.cpp
new file mode 100644
index 000000000..f334345ba
--- /dev/null
+++ b/js/src/jit/C1Spewer.cpp
@@ -0,0 +1,194 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifdef JS_JITSPEW
+
+#include "jit/C1Spewer.h"
+
+#include "mozilla/SizePrintfMacros.h"
+
+#include <time.h>
+
+#include "jit/BacktrackingAllocator.h"
+#include "jit/LIR.h"
+#include "jit/MIRGraph.h"
+
+#include "vm/Printer.h"
+
+using namespace js;
+using namespace js::jit;
+
+void
+C1Spewer::beginFunction(MIRGraph* graph, JSScript* script)
+{
+    this->graph  = graph;
+
+    out_.printf("begin_compilation\n");
+    if (script) {
+        out_.printf("  name \"%s:%" PRIuSIZE "\"\n", script->filename(), script->lineno());
+        out_.printf("  method \"%s:%" PRIuSIZE "\"\n", script->filename(), script->lineno());
+    } else {
+        out_.printf("  name \"wasm compilation\"\n");
+        out_.printf("  method \"wasm compilation\"\n");
+    }
+    out_.printf("  date %d\n", (int)time(nullptr));
+    out_.printf("end_compilation\n");
+}
+
+void
+C1Spewer::spewPass(const char* pass)
+{
+    out_.printf("begin_cfg\n");
+    out_.printf("  name \"%s\"\n", pass);
+
+    for (MBasicBlockIterator block(graph->begin()); block != graph->end(); block++)
+        spewPass(out_, *block);
+
+    out_.printf("end_cfg\n");
+}
+
+void
+C1Spewer::spewRanges(const char* pass, BacktrackingAllocator* regalloc)
+{
+    out_.printf("begin_ranges\n");
+    out_.printf(" name \"%s\"\n", pass);
+
+    for (MBasicBlockIterator block(graph->begin()); block != graph->end(); block++)
+        spewRanges(out_, *block, regalloc);
+
+    out_.printf("end_ranges\n");
+}
+
+void
+C1Spewer::endFunction()
+{
+}
+
+static void
+DumpDefinition(GenericPrinter& out, MDefinition* def)
+{
+    out.printf("      ");
+    out.printf("%u %u ", def->id(), unsigned(def->useCount()));
+    def->printName(out);
+    out.printf(" ");
+    def->printOpcode(out);
+    out.printf(" <|@\n");
+}
+
+static void
+DumpLIR(GenericPrinter& out, LNode* ins)
+{
+    out.printf("      ");
+    out.printf("%d ", ins->id());
+    ins->dump(out);
+    out.printf(" <|@\n");
+}
+
+void
+C1Spewer::spewRanges(GenericPrinter& out, BacktrackingAllocator* regalloc, LNode* ins)
+{
+    for (size_t k = 0; k < ins->numDefs(); k++) {
+        uint32_t id = ins->getDef(k)->virtualRegister();
+        VirtualRegister* vreg = &regalloc->vregs[id];
+
+        for (LiveRange::RegisterLinkIterator iter = vreg->rangesBegin(); iter; iter++) {
+            LiveRange* range = LiveRange::get(*iter);
+            out.printf("%d object \"", id);
+            out.printf("%s", range->bundle()->allocation().toString().get());
+            out.printf("\" %d -1", id);
+            out.printf(" [%u, %u[", range->from().bits(), range->to().bits());
+            for (UsePositionIterator usePos(range->usesBegin()); usePos; usePos++)
+                out.printf(" %u M", usePos->pos.bits());
+            out.printf(" \"\"\n");
+        }
+    }
+}
+
+void
+C1Spewer::spewRanges(GenericPrinter& out, MBasicBlock* block, BacktrackingAllocator* regalloc)
+{
+    LBlock* lir = block->lir();
+    if (!lir)
+        return;
+
+    for (size_t i = 0; i < lir->numPhis(); i++)
+        spewRanges(out, regalloc, lir->getPhi(i));
+
+    for (LInstructionIterator ins = lir->begin(); ins != lir->end(); ins++)
+        spewRanges(out, regalloc, *ins);
+}
+
+void
+C1Spewer::spewPass(GenericPrinter& out, MBasicBlock* block)
+{
+    out.printf("  begin_block\n");
+    out.printf("    name \"B%d\"\n", block->id());
+    out.printf("    from_bci -1\n");
+    out.printf("    to_bci -1\n");
+
+    out.printf("    predecessors");
+    for (uint32_t i = 0; i < block->numPredecessors(); i++) {
+        MBasicBlock* pred = block->getPredecessor(i);
+        out.printf(" \"B%d\"", pred->id());
+    }
+    out.printf("\n");
+
+    out.printf("    successors");
+    for (uint32_t i = 0; i < block->numSuccessors(); i++) {
+        MBasicBlock* successor = block->getSuccessor(i);
+        out.printf(" \"B%d\"", successor->id());
+    }
+    out.printf("\n");
+
+    out.printf("    xhandlers\n");
+    out.printf("    flags\n");
+
+    if (block->lir() && block->lir()->begin() != block->lir()->end()) {
+        out.printf("    first_lir_id %d\n", block->lir()->firstId());
+        out.printf("    last_lir_id %d\n", block->lir()->lastId());
+    }
+
+    out.printf("    begin_states\n");
+
+    if (block->entryResumePoint()) {
+        out.printf("      begin_locals\n");
+        out.printf("        size %d\n", (int)block->numEntrySlots());
+        out.printf("        method \"None\"\n");
+        for (uint32_t i = 0; i < block->numEntrySlots(); i++) {
+            MDefinition* ins = block->getEntrySlot(i);
+            out.printf("        ");
+            out.printf("%d ", i);
+            if (ins->isUnused())
+                out.printf("unused");
+            else
+                ins->printName(out);
+            out.printf("\n");
+        }
+        out.printf("      end_locals\n");
+    }
+    out.printf("    end_states\n");
+
+    out.printf("    begin_HIR\n");
+    for (MPhiIterator phi(block->phisBegin()); phi != block->phisEnd(); phi++)
+        DumpDefinition(out, *phi);
+    for (MInstructionIterator i(block->begin()); i != block->end(); i++)
+        DumpDefinition(out, *i);
+    out.printf("    end_HIR\n");
+
+    if (block->lir()) {
+        out.printf("    begin_LIR\n");
+        for (size_t i = 0; i < block->lir()->numPhis(); i++)
+            DumpLIR(out, block->lir()->getPhi(i));
+        for (LInstructionIterator i(block->lir()->begin()); i != block->lir()->end(); i++)
+            DumpLIR(out, *i);
+        out.printf("    end_LIR\n");
+    }
+
+    out.printf("  end_block\n");
+}
+
+#endif /* JS_JITSPEW */
+