Don't propagate debug locations to instructions for materializing

constants, since they may not be emited near the other instructions
which get the same line, and this confuses debug info.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108302 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 3 deletions

diff --git a/include/llvm/CodeGen/FastISel.h b/include/llvm/CodeGen/FastISel.h
index 7f3a7c7..7c57648 100644
--- a/include/llvm/CodeGen/FastISel.h
+++ b/include/llvm/CodeGen/FastISel.h
@@ -106,12 +106,17 @@ public:
   /// into the current block.
   void recomputeInsertPt();
 
+  struct SavePoint {
+    MachineBasicBlock::iterator InsertPt;
+    DebugLoc DL;
+  };
+
   /// enterLocalValueArea - Prepare InsertPt to begin inserting instructions
   /// into the local value area and return the old insert position.
-  MachineBasicBlock::iterator enterLocalValueArea();
+  SavePoint enterLocalValueArea();
 
-  /// leaveLocalValueArea - Reset InsertPt to the given old insert position
-  void leaveLocalValueArea(MachineBasicBlock::iterator OldInsertPt);
+  /// leaveLocalValueArea - Reset InsertPt to the given old insert position.
+  void leaveLocalValueArea(SavePoint Old);
 
   virtual ~FastISel();