From ac7de20a49b9c0fc35dacfde51f7d05f909f7881 Mon Sep 17 00:00:00 2001 From: Bill Wendling Date: Tue, 27 Jan 2009 23:00:53 +0000 Subject: Add testcase for r63142. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63149 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/2009-01-27-NullStrings.ll | 40 ++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 test/CodeGen/X86/2009-01-27-NullStrings.ll diff --git a/test/CodeGen/X86/2009-01-27-NullStrings.ll b/test/CodeGen/X86/2009-01-27-NullStrings.ll new file mode 100644 index 0000000000..0b087d00e2 --- /dev/null +++ b/test/CodeGen/X86/2009-01-27-NullStrings.ll @@ -0,0 +1,40 @@ +; RUN: llvm-as < %s | llc -march=x86 | grep {\\.cstring} | count 1 +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" +target triple = "i386-apple-darwin9.6" + %struct.A = type { } + %struct.NSString = type opaque + %struct.__builtin_CFString = type { i32*, i32, i8*, i32 } + %struct._objc_module = type { i32, i32, i8*, %struct._objc_symtab* } + %struct._objc_symtab = type { i32, %struct.objc_selector**, i16, i16 } + %struct.objc_object = type opaque + %struct.objc_selector = type opaque +@"\01L_unnamed_cfstring_0" = internal constant %struct.__builtin_CFString { i32* getelementptr ([0 x i32]* @__CFConstantStringClassReference, i32 0, i32 0), i32 1992, i8* getelementptr ([1 x i8]* @"\01LC", i32 0, i32 0), i32 0 }, section "__DATA, __cfstring" ; <%struct.__builtin_CFString*> [#uses=1] +@__CFConstantStringClassReference = external global [0 x i32] ; <[0 x i32]*> [#uses=1] +@"\01LC" = internal constant [1 x i8] zeroinitializer ; <[1 x i8]*> [#uses=1] +@"\01L_OBJC_SELECTOR_REFERENCES_0" = internal global %struct.objc_selector* bitcast ([6 x i8]* @"\01L_OBJC_METH_VAR_NAME_0" to %struct.objc_selector*), section "__OBJC,__message_refs,literal_pointers,no_dead_strip", align 4 ; <%struct.objc_selector**> [#uses=2] +@"\01L_OBJC_SYMBOLS" = internal global %struct._objc_symtab zeroinitializer, section "__OBJC,__symbols,regular,no_dead_strip", align 4 ; <%struct._objc_symtab*> [#uses=2] +@"\01L_OBJC_METH_VAR_NAME_0" = internal global [6 x i8] c"bork:\00", section "__TEXT,__cstring,cstring_literals", align 1 ; <[6 x i8]*> [#uses=2] +@"\01L_OBJC_IMAGE_INFO" = internal constant [2 x i32] zeroinitializer, section "__OBJC, __image_info,regular" ; <[2 x i32]*> [#uses=1] +@"\01L_OBJC_CLASS_NAME_0" = internal global [1 x i8] zeroinitializer, section "__TEXT,__cstring,cstring_literals", align 1 ; <[1 x i8]*> [#uses=1] +@"\01L_OBJC_MODULES" = internal global %struct._objc_module { i32 7, i32 16, i8* getelementptr ([1 x i8]* @"\01L_OBJC_CLASS_NAME_0", i32 0, i32 0), %struct._objc_symtab* @"\01L_OBJC_SYMBOLS" }, section "__OBJC,__module_info,regular,no_dead_strip", align 4 ; <%struct._objc_module*> [#uses=1] +@llvm.used = appending global [6 x i8*] [ i8* bitcast (%struct.objc_selector** @"\01L_OBJC_SELECTOR_REFERENCES_0" to i8*), i8* bitcast (%struct._objc_symtab* @"\01L_OBJC_SYMBOLS" to i8*), i8* getelementptr ([6 x i8]* @"\01L_OBJC_METH_VAR_NAME_0", i32 0, i32 0), i8* bitcast ([2 x i32]* @"\01L_OBJC_IMAGE_INFO" to i8*), i8* getelementptr ([1 x i8]* @"\01L_OBJC_CLASS_NAME_0", i32 0, i32 0), i8* bitcast (%struct._objc_module* @"\01L_OBJC_MODULES" to i8*) ], section "llvm.metadata" ; <[6 x i8*]*> [#uses=0] + +define void @func(%struct.A* %a) nounwind { +entry: + %a_addr = alloca %struct.A* ; <%struct.A**> [#uses=2] + %a.0 = alloca %struct.objc_object* ; <%struct.objc_object**> [#uses=2] + %"alloca point" = bitcast i32 0 to i32 ; [#uses=0] + store %struct.A* %a, %struct.A** %a_addr + %0 = load %struct.A** %a_addr, align 4 ; <%struct.A*> [#uses=1] + %1 = bitcast %struct.A* %0 to %struct.objc_object* ; <%struct.objc_object*> [#uses=1] + store %struct.objc_object* %1, %struct.objc_object** %a.0, align 4 + %2 = load %struct.objc_selector** @"\01L_OBJC_SELECTOR_REFERENCES_0", align 4 ; <%struct.objc_selector*> [#uses=1] + %3 = load %struct.objc_object** %a.0, align 4 ; <%struct.objc_object*> [#uses=1] + call void bitcast (%struct.objc_object* (%struct.objc_object*, %struct.objc_selector*, ...)* @objc_msgSend to void (%struct.objc_object*, %struct.objc_selector*, %struct.NSString*)*)(%struct.objc_object* %3, %struct.objc_selector* %2, %struct.NSString* bitcast (%struct.__builtin_CFString* @"\01L_unnamed_cfstring_0" to %struct.NSString*)) nounwind + br label %return + +return: ; preds = %entry + ret void +} + +declare %struct.objc_object* @objc_msgSend(%struct.objc_object*, %struct.objc_selector*, ...) -- cgit v1.2.3