Directly point debug info to the stack slot of the arugment, instead of trying to keep track of vreg in which it the arugment is copied. The LiveDebugVariable can keep track of variable's ranges.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139330 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp b/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
index 10b251d..b052740 100644
--- a/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
+++ b/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
@@ -351,20 +351,18 @@
   }
 }
 
-/// setByValArgumentFrameIndex - Record frame index for the byval
+/// setArgumentFrameIndex - Record frame index for the byval
 /// argument. This overrides previous frame index entry for this argument,
 /// if any.
-void FunctionLoweringInfo::setByValArgumentFrameIndex(const Argument *A,
+void FunctionLoweringInfo::setArgumentFrameIndex(const Argument *A,
                                                       int FI) {
-  assert (A->hasByValAttr() && "Argument does not have byval attribute!");
   ByValArgFrameIndexMap[A] = FI;
 }
 
-/// getByValArgumentFrameIndex - Get frame index for the byval argument.
+/// getArgumentFrameIndex - Get frame index for the byval argument.
 /// If the argument does not have any assigned frame index then 0 is
 /// returned.
-int FunctionLoweringInfo::getByValArgumentFrameIndex(const Argument *A) {
-  assert (A->hasByValAttr() && "Argument does not have byval attribute!");
+int FunctionLoweringInfo::getArgumentFrameIndex(const Argument *A) {
   DenseMap<const Argument *, int>::iterator I =
     ByValArgFrameIndexMap.find(A);
   if (I != ByValArgFrameIndexMap.end())