[mips] Do not emit i32 padding if target ABI is O32. This was causing backend
to pass floating point arguments to be passed in integer registers.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173375 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/TargetInfo.cpp b/lib/CodeGen/TargetInfo.cpp
index 6803853..a2e575d 100644
--- a/lib/CodeGen/TargetInfo.cpp
+++ b/lib/CodeGen/TargetInfo.cpp
@@ -4022,7 +4022,8 @@
   if (Ty->isPromotableIntegerType())
     return ABIArgInfo::getExtend();
 
-  return ABIArgInfo::getDirect(0, 0, getPaddingType(Align, OrigOffset));
+  return ABIArgInfo::getDirect(0, 0,
+                               IsO32 ? 0 : getPaddingType(Align, OrigOffset));
 }
 
 llvm::Type*