Fix fallout from getOffsetOfLocalArea() being negated. Debugging dumps were being

printed incorrectly, and we were reserving 8 extra bytes of stack space for functions
on X86.

llvm-svn: 14152

2 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index 221d67b82c6..4dfd7f77826 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -201,7 +201,7 @@ void MachineFrameInfo::print(const MachineFunction &MF, std::ostream &OS) const{
     if (i < NumFixedObjects)
       OS << " fixed";
     if (i < NumFixedObjects || SO.SPOffset != -1) {
-      int Off = SO.SPOffset + ValOffset;
+      int Off = SO.SPOffset - ValOffset;
       OS << " at location [SP";
       if (Off > 0)
 	OS << "+" << Off;
diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
index e9a998b8739..6157e3fc99f 100644
--- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp
+++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
@@ -206,7 +206,7 @@ void PEI::calculateFrameObjectOffsets(MachineFunction &Fn) {
   // of stack growth -- so it's always positive.
   int Offset = TFI.getOffsetOfLocalArea();
   if (StackGrowsDown)
-      Offset = -Offset;
+    Offset = -Offset;
   assert(Offset >= 0 
          && "Local area offset should be in direction of stack growth");
 
@@ -256,7 +256,7 @@ void PEI::calculateFrameObjectOffsets(MachineFunction &Fn) {
     Offset = (Offset+StackAlignment-1)/StackAlignment*StackAlignment;
 
   // Set the final value of the stack pointer...
-  FFI->setStackSize(Offset-TFI.getOffsetOfLocalArea());
+  FFI->setStackSize(Offset+TFI.getOffsetOfLocalArea());
 }