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-rw-r--r--include/llvm/CodeGen/MachineBasicBlock.h10
-rw-r--r--include/llvm/CodeGen/MachineFrameInfo.h3
2 files changed, 11 insertions, 2 deletions
diff --git a/include/llvm/CodeGen/MachineBasicBlock.h b/include/llvm/CodeGen/MachineBasicBlock.h
index 92a9896d7a180..f3f5e324d76af 100644
--- a/include/llvm/CodeGen/MachineBasicBlock.h
+++ b/include/llvm/CodeGen/MachineBasicBlock.h
@@ -308,6 +308,16 @@ public:
// Iteration support for live in sets. These sets are kept in sorted
// order by their register number.
typedef LiveInVector::const_iterator livein_iterator;
+#ifndef NDEBUG
+ /// Unlike livein_begin, this method does not check that the liveness
+ /// information is accurate. Still for debug purposes it may be useful
+ /// to have iterators that won't assert if the liveness information
+ /// is not current.
+ livein_iterator livein_begin_dbg() const { return LiveIns.begin(); }
+ iterator_range<livein_iterator> liveins_dbg() const {
+ return make_range(livein_begin_dbg(), livein_end());
+ }
+#endif
livein_iterator livein_begin() const;
livein_iterator livein_end() const { return LiveIns.end(); }
bool livein_empty() const { return LiveIns.empty(); }
diff --git a/include/llvm/CodeGen/MachineFrameInfo.h b/include/llvm/CodeGen/MachineFrameInfo.h
index 2fab8137564ea..4600c2c0f10cb 100644
--- a/include/llvm/CodeGen/MachineFrameInfo.h
+++ b/include/llvm/CodeGen/MachineFrameInfo.h
@@ -148,8 +148,7 @@ class MachineFrameInfo {
/// grouping overaligned allocas into a "secondary stack frame" and
/// then only use a single alloca to allocate this frame and only a
/// single virtual register to access it. Currently, without such an
- /// optimization, each such alloca gets it's own dynamic
- /// realignment.
+ /// optimization, each such alloca gets its own dynamic realignment.
bool StackRealignable;
/// Whether the function has the \c alignstack attribute.