Use the same CALL instructions for Windows as for everything else.

The different calling conventions and call-preserved registers are
represented with regmask operands that are added dynamically.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150708 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index ed16e88..a802fc2 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -806,8 +806,7 @@
     }
     
     assert(MO.isImm() && "Unknown RawFrm operand!");
-    if (Opcode == X86::CALLpcrel32 || Opcode == X86::CALL64pcrel32 ||
-        Opcode == X86::WINCALL64pcrel32) {
+    if (Opcode == X86::CALLpcrel32 || Opcode == X86::CALL64pcrel32) {
       // Fix up immediate operand for pc relative calls.
       intptr_t Imm = (intptr_t)MO.getImm();
       Imm = Imm - MCE.getCurrentPCValue() - 4;