[BasicBlock] Add instructionsWithoutDebug methods to skip debug insts.

Reviewers: aprantl, vsk, mattd, chandlerc

Reviewed By: aprantl, vsk

Differential Revision: https://reviews.llvm.org/D45657

llvm-svn: 330316

1 files changed, 18 insertions, 0 deletions

diff --git a/llvm/lib/IR/BasicBlock.cpp b/llvm/lib/IR/BasicBlock.cpp
index 938c401..c103de4 100644
--- a/llvm/lib/IR/BasicBlock.cpp
+++ b/llvm/lib/IR/BasicBlock.cpp
@@ -90,6 +90,24 @@ void BasicBlock::setParent(Function *parent) {
   InstList.setSymTabObject(&Parent, parent);
 }
 
+iterator_range<filter_iterator<BasicBlock::const_iterator,
+                               std::function<bool(const Instruction &)>>>
+BasicBlock::instructionsWithoutDebug() const {
+  std::function<bool(const Instruction &)> Fn = [](const Instruction &I) {
+    return !isa<DbgInfoIntrinsic>(I);
+  };
+  return make_filter_range(*this, Fn);
+}
+
+iterator_range<filter_iterator<BasicBlock::iterator,
+                               std::function<bool(Instruction &)>>>
+BasicBlock::instructionsWithoutDebug() {
+  std::function<bool(Instruction &)> Fn = [](Instruction &I) {
+    return !isa<DbgInfoIntrinsic>(I);
+  };
+  return make_filter_range(*this, Fn);
+}
+
 void BasicBlock::removeFromParent() {
   getParent()->getBasicBlockList().remove(getIterator());
 }