Finish r144971, which was an incomplete commit.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144972 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/TargetInfo.cpp

@@ -688,7 +688,7 @@ ABIArgInfo X86_32ABIInfo::classifyArgumentType(QualType Ty) const {
     }
 
     // Ignore empty structs/unions.
-    if (isEmptyRecord(Context, Ty, true))
+    if (isEmptyRecord(getContext(), Ty, true))
       return ABIArgInfo::getIgnore();
 
     // Expand small (<= 128-bit) record types when we know that the stack layout

test/CodeGen/x86_32-arguments-darwin.c

@@ -317,7 +317,7 @@ int f63(int i, ...) {
   return s.y;
 }
 
-// CHECK: define i32 @f64(%struct.s64* nocapture byval align 4 %x)
+// CHECK: define void @f64(%struct.s64* byval align 4 %x)
 struct s64 { signed char a[0]; signed char b[]; };
 void f64(struct s64 x) {}