From 38489ed416b324e28fa49a24cc5324c98b6aa4a2 Mon Sep 17 00:00:00 2001
From: Roman Tereshin <rtereshin@apple.com>
Date: Thu, 26 Apr 2018 20:22:17 +0000
Subject: [GlobalISel] Reporting rules covered as part of the
 InstructionSelect's debug-only printing

The main goal of this change is to make it much easier to track which
rules are actually covered by Testgen'erated regression tests.

Reviewers: aemerson, dsanders

Differential Revision: https://reviews.llvm.org/D46095

llvm-svn: 330988
---
 llvm/lib/Support/CodeGenCoverage.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'llvm/lib/Support/CodeGenCoverage.cpp')

diff --git a/llvm/lib/Support/CodeGenCoverage.cpp b/llvm/lib/Support/CodeGenCoverage.cpp
index ebfe65a398c..4948f1348fc 100644
--- a/llvm/lib/Support/CodeGenCoverage.cpp
+++ b/llvm/lib/Support/CodeGenCoverage.cpp
@@ -38,12 +38,17 @@ void CodeGenCoverage::setCovered(uint64_t RuleID) {
   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();
 
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