x86: Rename NumBytesForCalleeToPush to ...Pop for accuracy

If we have a callee cleanup convention, the callee is going to pop the
arguments off the stack, not push them on.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200566 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index e292cab0262ec713f37a31e856fff19bdd35b231..1b04cf46fc10ac77ad685afb871db43ac82c9b29 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -2913,10 +2913,10 @@ X86TargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
   InFlag = Chain.getValue(1);
 
   // Create the CALLSEQ_END node.
-  unsigned NumBytesForCalleeToPush;
+  unsigned NumBytesForCalleeToPop;
   if (X86::isCalleePop(CallConv, Is64Bit, isVarArg,
                        getTargetMachine().Options.GuaranteedTailCallOpt))
-    NumBytesForCalleeToPush = NumBytes;    // Callee pops everything
+    NumBytesForCalleeToPop = NumBytes;    // Callee pops everything
   else if (!Is64Bit && !IsTailCallConvention(CallConv) &&
            !Subtarget->getTargetTriple().isOSMSVCRT() &&
            SR == StackStructReturn)
@@ -2924,15 +2924,15 @@ X86TargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
     // pops the hidden struct pointer, so we have to push it back.
     // This is common for Darwin/X86, Linux & Mingw32 targets.
     // For MSVC Win32 targets, the caller pops the hidden struct pointer.
-    NumBytesForCalleeToPush = 4;
+    NumBytesForCalleeToPop = 4;
   else
-    NumBytesForCalleeToPush = 0;  // Callee pops nothing.
+    NumBytesForCalleeToPop = 0;  // Callee pops nothing.
 
   // Returns a flag for retval copy to use.
   if (!IsSibcall) {
     Chain = DAG.getCALLSEQ_END(Chain,
                                DAG.getIntPtrConstant(NumBytes, true),
-                               DAG.getIntPtrConstant(NumBytesForCalleeToPush,
+                               DAG.getIntPtrConstant(NumBytesForCalleeToPop,
                                                      true),
                                InFlag, dl);
     InFlag = Chain.getValue(1);