Add convenient helper for win64 check. Simplify things slightly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48691 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 933c33e..dd2d784 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -1009,7 +1009,7 @@
unsigned CC = cast<ConstantSDNode>(Op.getOperand(1))->getValue();
if (Subtarget->is64Bit()) {
- if (Subtarget->isTargetWindows() || Subtarget->isTargetMingw())
+ if (Subtarget->isTargetWin64())
return CC_X86_Win64_C;
else {
if (CC == CallingConv::Fast && PerformTailCallOpt)