Revert r269828 "X86: Avoid using _chkstk when lowering WIN_ALLOCA instructions"

Seems to have broken the Windows ASan bot. Reverting while investigating.

llvm-svn: 269833

1 files changed, 0 insertions, 6 deletions

diff --git a/llvm/lib/Target/X86/X86MachineFunctionInfo.h b/llvm/lib/Target/X86/X86MachineFunctionInfo.h
index d517d82537a..4632adaf1e7 100644
--- a/llvm/lib/Target/X86/X86MachineFunctionInfo.h
+++ b/llvm/lib/Target/X86/X86MachineFunctionInfo.h
@@ -98,9 +98,6 @@ class X86MachineFunctionInfo : public MachineFunctionInfo {
   /// True if this function uses the red zone.
   bool UsesRedZone = false;
 
-  /// True if this function has WIN_ALLOCA instructions.
-  bool HasWinAlloca = false;
-
 private:
   /// ForwardedMustTailRegParms - A list of virtual and physical registers
   /// that must be forwarded to every musttail call.
@@ -175,9 +172,6 @@ public:
 
   bool getUsesRedZone() const { return UsesRedZone; }
   void setUsesRedZone(bool V) { UsesRedZone = V; }
-
-  bool hasWinAlloca() const { return HasWinAlloca; }
-  void setHasWinAlloca(bool v) { HasWinAlloca = v; }
 };
 
 } // End llvm namespace