Rename TargetOptions::StackAlignment to StackAlignmentOverride.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133739 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Target/TargetOptions.h b/include/llvm/Target/TargetOptions.h
index beed039..55d50d9 100644
--- a/include/llvm/Target/TargetOptions.h
+++ b/include/llvm/Target/TargetOptions.h
@@ -133,8 +133,8 @@
   /// as their parent function, etc.), using an alternate ABI if necessary.
   extern bool GuaranteedTailCallOpt;
 
-  /// StackAlignment - Override default stack alignment for target.
-  extern unsigned StackAlignment;
+  /// StackAlignmentOverride - Override default stack alignment for target.
+  extern unsigned StackAlignmentOverride;
 
   /// RealignStack - This flag indicates whether the stack should be
   /// automatically realigned, if needed.
diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp
index 863b811..14044f2 100644
--- a/lib/Target/TargetMachine.cpp
+++ b/lib/Target/TargetMachine.cpp
@@ -43,7 +43,7 @@
   Reloc::Model RelocationModel;
   CodeModel::Model CMModel;
   bool GuaranteedTailCallOpt;
-  unsigned StackAlignment;
+  unsigned StackAlignmentOverride;
   bool RealignStack;
   bool DisableJumpTables;
   bool StrongPHIElim;
@@ -183,7 +183,7 @@
 static cl::opt<unsigned, true>
 OverrideStackAlignment("stack-alignment",
   cl::desc("Override default stack alignment"),
-  cl::location(StackAlignment),
+  cl::location(StackAlignmentOverride),
   cl::init(0));
 static cl::opt<bool, true>
 EnableRealignStack("realign-stack",
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 0b85469..c10bf1c 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -117,7 +117,7 @@
 X86TargetMachine::X86TargetMachine(const Target &T, const std::string &TT,
                                    const std::string &FS, bool is64Bit)
   : LLVMTargetMachine(T, TT),
-    Subtarget(TT, FS, is64Bit, StackAlignment),
+    Subtarget(TT, FS, is64Bit, StackAlignmentOverride),
     FrameLowering(*this, Subtarget),
     ELFWriterInfo(is64Bit, true) {
   DefRelocModel = getRelocationModel();