[PATCH] D46095: [GlobalISel] Reporting rules covered as part of the InstructionSelect's debug-only printing

[Roman Tereshin via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL330988: [GlobalISel] Reporting rules covered as part of the InstructionSelect's debug… (authored by rtereshin, committed by ).

Changed prior to commit:
  https://reviews.llvm.org/D46095?vs=144039&id=144185#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D46095

Files:
  llvm/trunk/include/llvm/Support/CodeGenCoverage.h
  llvm/trunk/lib/CodeGen/GlobalISel/InstructionSelect.cpp
  llvm/trunk/lib/Support/CodeGenCoverage.cpp


Index: llvm/trunk/lib/Support/CodeGenCoverage.cpp
===================================================================
--- llvm/trunk/lib/Support/CodeGenCoverage.cpp
+++ llvm/trunk/lib/Support/CodeGenCoverage.cpp
@@ -38,12 +38,17 @@
   RuleCoverage[RuleID] = true;
 }
 
-bool CodeGenCoverage::isCovered(uint64_t RuleID) {
+bool CodeGenCoverage::isCovered(uint64_t RuleID) const {
   if (RuleCoverage.size() <= RuleID)
     return false;
   return RuleCoverage[RuleID];
 }
 
+iterator_range<CodeGenCoverage::const_covered_iterator>
+CodeGenCoverage::covered() const {
+  return RuleCoverage.set_bits();
+}
+
 bool CodeGenCoverage::parse(MemoryBuffer &Buffer, StringRef BackendName) {
   const char *CurPtr = Buffer.getBufferStart();
 
Index: llvm/trunk/lib/CodeGen/GlobalISel/InstructionSelect.cpp
===================================================================
--- llvm/trunk/lib/CodeGen/GlobalISel/InstructionSelect.cpp
+++ llvm/trunk/lib/CodeGen/GlobalISel/InstructionSelect.cpp
@@ -218,6 +218,12 @@
   auto &TLI = *MF.getSubtarget().getTargetLowering();
   TLI.finalizeLowering(MF);
 
+  DEBUG({
+    dbgs() << "Rules covered by selecting function: " << MF.getName() << ":";
+    for (auto RuleID : CoverageInfo.covered())
+      dbgs() << " id" << RuleID;
+    dbgs() << "\n\n";
+  });
   CoverageInfo.emit(CoveragePrefix,
                     MF.getSubtarget()
                         .getTargetLowering()
Index: llvm/trunk/include/llvm/Support/CodeGenCoverage.h
===================================================================
--- llvm/trunk/include/llvm/Support/CodeGenCoverage.h
+++ llvm/trunk/include/llvm/Support/CodeGenCoverage.h
@@ -23,15 +23,18 @@
   BitVector RuleCoverage;
 
 public:
+  using const_covered_iterator = BitVector::const_set_bits_iterator;
+
   CodeGenCoverage();
 
   void setCovered(uint64_t RuleID);
-  bool isCovered(uint64_t RuleID);
+  bool isCovered(uint64_t RuleID) const;
+  iterator_range<const_covered_iterator> covered() const;
 
   bool parse(MemoryBuffer &Buffer, StringRef BackendName);
   bool emit(StringRef FilePrefix, StringRef BackendName) const;
   void reset();
 };
-} // end namespace llvm
+} // namespace llvm
 
 #endif // ifndef LLVM_SUPPORT_CODEGENCOVERAGE_H


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