Simplify things
llvm-svn: 34849
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 2fb89c3..29db36b 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -30,16 +30,11 @@
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/CodeGen/SSARegMap.h"
-#include "llvm/Support/CommandLine.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/ADT/StringExtras.h"
using namespace llvm;
-static cl::opt<bool> FastCallAlignStack("x86-fastcc-align-stack", cl::Hidden,
- cl::desc("Align stack to 8-byte boundary for fastcall function"),
- cl::init(false));
-
X86TargetLowering::X86TargetLowering(TargetMachine &TM)
: TargetLowering(TM) {
Subtarget = &TM.getSubtarget<X86Subtarget>();
@@ -909,7 +904,7 @@
unsigned StackSize = CCInfo.getNextStackOffset();
- if (FastCallAlignStack) {
+ if (!Subtarget->isTargetCygMing() && !Subtarget->isTargetWindows()) {
// Make sure the instruction takes 8n+4 bytes to make sure the start of the
// arguments and the arguments after the retaddr has been pushed are aligned.
if ((StackSize & 7) == 0)
@@ -943,7 +938,7 @@
// Get a count of how many bytes are to be pushed on the stack.
unsigned NumBytes = CCInfo.getNextStackOffset();
- if (FastCallAlignStack) {
+ if (!Subtarget->isTargetCygMing() && !Subtarget->isTargetWindows()) {
// Make sure the instruction takes 8n+4 bytes to make sure the start of the
// arguments and the arguments after the retaddr has been pushed are aligned.
if ((NumBytes & 7) == 0)
@@ -951,7 +946,6 @@
}
Chain = DAG.getCALLSEQ_START(Chain,DAG.getConstant(NumBytes, getPointerTy()));
-
SmallVector<std::pair<unsigned, SDOperand>, 8> RegsToPass;
SmallVector<SDOperand, 8> MemOpChains;