diff --git a/llvm/lib/Target/VE/VESubtarget.h b/llvm/lib/Target/VE/VESubtarget.h
--- a/llvm/lib/Target/VE/VESubtarget.h
+++ b/llvm/lib/Target/VE/VESubtarget.h
@@ -72,7 +72,7 @@
   /// Given a actual stack size as determined by FrameInfo, this function
   /// returns adjusted framesize which includes space for register window
   /// spills and arguments.
-  int getAdjustedFrameSize(int stackSize) const;
+  uint64_t getAdjustedFrameSize(uint64_t stackSize) const;
 
   bool isTargetLinux() const { return TargetTriple.isOSLinux(); }
 };
diff --git a/llvm/lib/Target/VE/VESubtarget.cpp b/llvm/lib/Target/VE/VESubtarget.cpp
--- a/llvm/lib/Target/VE/VESubtarget.cpp
+++ b/llvm/lib/Target/VE/VESubtarget.cpp
@@ -47,7 +47,7 @@
       InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM, *this),
       FrameLowering(*this) {}
 
-int VESubtarget::getAdjustedFrameSize(int frameSize) const {
+uint64_t VESubtarget::getAdjustedFrameSize(uint64_t frameSize) const {
 
   // VE stack frame:
   //