Testcase for r153710.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153711 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/utf16-cfstrings.ll b/test/CodeGen/X86/utf16-cfstrings.ll
new file mode 100644 (file)
index 0000000..af76a33
--- /dev/null
+++ b/test/CodeGen/X86/utf16-cfstrings.ll
@@ -0,0 +1,35 @@
+; RUN: llc < %s -mtriple x86_64-apple-macosx10 | FileCheck %s
+; <rdar://problem/10655949>
+
+%0 = type opaque
+%struct.NSConstantString = type { i32*, i32, i8*, i64 }
+
+@__CFConstantStringClassReference = external global [0 x i32]
+@.str = internal unnamed_addr constant [5 x i16] [i16 252, i16 98, i16 101, i16 114, i16 0], align 2
+@_unnamed_cfstring_ = private constant %struct.NSConstantString { i32* getelementptr inbounds ([0 x i32]* @__CFConstantStringClassReference, i32 0, i32 0), i32 2000, i8* bitcast ([5 x i16]* @.str to i8*), i64 4 }, section "__DATA,__cfstring"
+
+; CHECK:         .section      __TEXT,__ustring
+; CHECK-NEXT:    .align        1
+; CHECK-NEXT: _.str:
+; CHECK-NEXT:    .short  252     ## 0xfc
+; CHECK-NEXT:    .short  98      ## 0x62
+; CHECK-NEXT:    .short  101     ## 0x65
+; CHECK-NEXT:    .short  114     ## 0x72
+; CHECK-NEXT:    .short  0       ## 0x0
+
+define i32 @main() uwtable ssp {
+entry:
+  %retval = alloca i32, align 4
+  store i32 0, i32* %retval
+  call void (%0*, ...)* @NSLog(%0* bitcast (%struct.NSConstantString* @_unnamed_cfstring_ to %0*))
+  ret i32 0
+}
+
+declare void @NSLog(%0*, ...)
+
+!llvm.module.flags = !{!0, !1, !2, !3}
+
+!0 = metadata !{i32 1, metadata !"Objective-C Version", i32 2}
+!1 = metadata !{i32 1, metadata !"Objective-C Image Info Version", i32 0}
+!2 = metadata !{i32 1, metadata !"Objective-C Image Info Section", metadata !"__DATA, __objc_imageinfo, regular, no_dead_strip"}
+!3 = metadata !{i32 4, metadata !"Objective-C Garbage Collection", i32 0}