Generalize llvm::replaceDbgDeclare and actually support the use-case that

is mentioned in the documentation (inserting a deref before the plus_uconst).

llvm-svn: 320203

1 files changed, 5 insertions, 3 deletions

diff --git a/llvm/lib/CodeGen/SafeStack.cpp b/llvm/lib/CodeGen/SafeStack.cpp
index e68f6e10a2a..51233be521b 100644
--- a/llvm/lib/CodeGen/SafeStack.cpp
+++ b/llvm/lib/CodeGen/SafeStack.cpp
@@ -558,7 +558,7 @@ Value *SafeStack::moveStaticAllocasToUnsafeStack(
 
     // Replace alloc with the new location.
     replaceDbgDeclare(Arg, BasePointer, BasePointer->getNextNode(), DIB,
-                      /*Deref=*/false, -Offset);
+                      DIExpression::NoDeref, -Offset, DIExpression::NoDeref);
     Arg->replaceAllUsesWith(NewArg);
     IRB.SetInsertPoint(cast<Instruction>(NewArg)->getNextNode());
     IRB.CreateMemCpy(Off, Arg, Size, Arg->getParamAlignment());
@@ -573,7 +573,8 @@ Value *SafeStack::moveStaticAllocasToUnsafeStack(
     if (Size == 0)
       Size = 1; // Don't create zero-sized stack objects.
 
-    replaceDbgDeclareForAlloca(AI, BasePointer, DIB, /*Deref=*/false, -Offset);
+    replaceDbgDeclareForAlloca(AI, BasePointer, DIB, DIExpression::NoDeref,
+                               -Offset, DIExpression::NoDeref);
     replaceDbgValueForAlloca(AI, BasePointer, DIB, -Offset);
 
     // Replace uses of the alloca with the new location.
@@ -663,7 +664,8 @@ void SafeStack::moveDynamicAllocasToUnsafeStack(
     if (AI->hasName() && isa<Instruction>(NewAI))
       NewAI->takeName(AI);
 
-    replaceDbgDeclareForAlloca(AI, NewAI, DIB, /*Deref=*/false);
+    replaceDbgDeclareForAlloca(AI, NewAI, DIB, DIExpression::NoDeref, 0,
+                               DIExpression::NoDeref);
     AI->replaceAllUsesWith(NewAI);
     AI->eraseFromParent();
   }