commit 99bd18866354e381915a5084cd3c24a75e79b169
author Anton Korobeynikov <asl@math.spbu.ru> Sat Mar 22 20:37:30 2008 +0000
committer Anton Korobeynikov <asl@math.spbu.ru> Sat Mar 22 20:37:30 2008 +0000
tree f36c86274c594eca7d84137ef81077dc1d2bc6ca
parent 6556e9edbb58036847b84568ec57f04fc6ddbc2c

Initial support for Win64 calling conventions. Still in early state.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48690 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86ISelLowering.cpp

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 9d22fbe..933c33e 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -1009,10 +1009,14 @@
   unsigned CC = cast<ConstantSDNode>(Op.getOperand(1))->getValue();
   
   if (Subtarget->is64Bit()) {
-    if (CC == CallingConv::Fast && PerformTailCallOpt)
-      return CC_X86_64_TailCall;
-    else
-      return CC_X86_64_C;
+    if (Subtarget->isTargetWindows() || Subtarget->isTargetMingw())
+      return CC_X86_Win64_C;
+    else {
+      if (CC == CallingConv::Fast && PerformTailCallOpt)
+        return CC_X86_64_TailCall;
+      else
+        return CC_X86_64_C;
+    }
   }
 
   if (CC == CallingConv::X86_FastCall)