Add trampoline support to PPC. GCC simply calls the "__trampoline_setup"

function with appropriate parameters. This allows us to support blocks on PPC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56267 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 216 insertions, 7 deletions

diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 1a891d9..6303ea3 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -196,7 +196,10 @@ PPCTargetLowering::PPCTargetLowering(PPCTargetMachine &TM)
 
   // TRAP is legal.
   setOperationAction(ISD::TRAP, MVT::Other, Legal);
-    
+
+  // TRAMPOLINE is custom lowered.
+  setOperationAction(ISD::TRAMPOLINE, MVT::Other, Custom);
+
   // VASTART needs to be custom lowered to use the VarArgsFrameIndex
   setOperationAction(ISD::VASTART           , MVT::Other, Custom);
   
@@ -1220,12 +1223,50 @@ SDValue PPCTargetLowering::LowerVAARG(SDValue Op, SelectionDAG &DAG,
   return SDValue(); // Not reached
 }
 
+SDValue PPCTargetLowering::LowerTRAMPOLINE(SDValue Op, SelectionDAG &DAG) {
+  SDValue Chain = Op.getOperand(0);
+  SDValue Trmp = Op.getOperand(1); // trampoline
+  SDValue FPtr = Op.getOperand(2); // nested function
+  SDValue Nest = Op.getOperand(3); // 'nest' parameter value
+
+  MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
+  bool isPPC64 = (PtrVT == MVT::i64);
+  const Type *IntPtrTy =
+    DAG.getTargetLoweringInfo().getTargetData()->getIntPtrType();
+
+  TargetLowering::ArgListTy Args; 
+  TargetLowering::ArgListEntry Entry;
+
+  Entry.Ty = IntPtrTy;
+  Entry.Node = Trmp; Args.push_back(Entry);
+
+  // TrampSize == (isPPC64 ? 48 : 40);
+  Entry.Node = DAG.getConstant(isPPC64 ? 48 : 40,
+                               isPPC64 ? MVT::i64 : MVT::i32);
+  Args.push_back(Entry);
+
+  Entry.Node = FPtr; Args.push_back(Entry);
+  Entry.Node = Nest; Args.push_back(Entry);
+  
+  // Lower to a call to __trampoline_setup(Trmp, TrampSize, FPtr, ctx_reg)
+  std::pair<SDValue, SDValue> CallResult =
+    LowerCallTo(Chain, Op.getValueType().getTypeForMVT(), false, false,
+                false, CallingConv::C, false,
+                DAG.getExternalSymbol("__trampoline_setup", PtrVT),
+                Args, DAG);
+
+  SDValue Ops[] =
+    { CallResult.first, CallResult.second };
+
+  return DAG.getMergeValues(Ops, 2, false);
+}
+
 SDValue PPCTargetLowering::LowerVASTART(SDValue Op, SelectionDAG &DAG,
-                              int VarArgsFrameIndex,
-                              int VarArgsStackOffset,
-                              unsigned VarArgsNumGPR,
-                              unsigned VarArgsNumFPR,
-                              const PPCSubtarget &Subtarget) {
+                                        int VarArgsFrameIndex,
+                                        int VarArgsStackOffset,
+                                        unsigned VarArgsNumGPR,
+                                        unsigned VarArgsNumFPR,
+                                        const PPCSubtarget &Subtarget) {
 
   if (Subtarget.isMachoABI()) {
     // vastart just stores the address of the VarArgsFrameIndex slot into the
@@ -3414,7 +3455,7 @@ SDValue PPCTargetLowering::LowerBUILD_VECTOR(SDValue Op,
 static SDValue GeneratePerfectShuffle(unsigned PFEntry, SDValue LHS,
                                         SDValue RHS, SelectionDAG &DAG) {
   unsigned OpNum = (PFEntry >> 26) & 0x0F;
-  unsigned LHSID  = (PFEntry >> 13) & ((1 << 13)-1);
+  unsigned LHSID = (PFEntry >> 13) & ((1 << 13)-1);
   unsigned RHSID = (PFEntry >>  0) & ((1 << 13)-1);
   
   enum {
@@ -3807,6 +3848,7 @@ SDValue PPCTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) {
   case ISD::GlobalTLSAddress:   return LowerGlobalTLSAddress(Op, DAG);
   case ISD::JumpTable:          return LowerJumpTable(Op, DAG);
   case ISD::SETCC:              return LowerSETCC(Op, DAG);
+  case ISD::TRAMPOLINE:         return LowerTRAMPOLINE(Op, DAG);
   case ISD::VASTART:            
     return LowerVASTART(Op, DAG, VarArgsFrameIndex, VarArgsStackOffset,
                         VarArgsNumGPR, VarArgsNumFPR, PPCSubTarget);
diff --git a/lib/Target/PowerPC/PPCISelLowering.h b/lib/Target/PowerPC/PPCISelLowering.h
index 72e00f6..e514e0f 100644
--- a/lib/Target/PowerPC/PPCISelLowering.h
+++ b/lib/Target/PowerPC/PPCISelLowering.h
@@ -343,6 +343,7 @@ namespace llvm {
     SDValue LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG);
     SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG);
     SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG);
+    SDValue LowerTRAMPOLINE(SDValue Op, SelectionDAG &DAG);
     SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG,
                            int VarArgsFrameIndex, int VarArgsStackOffset,
                            unsigned VarArgsNumGPR, unsigned VarArgsNumFPR,
diff --git a/test/CodeGen/PowerPC/trampoline.ll b/test/CodeGen/PowerPC/trampoline.ll
new file mode 100644
index 0000000..530c782
--- /dev/null
+++ b/test/CodeGen/PowerPC/trampoline.ll
@@ -0,0 +1,166 @@
+; RUN: llvm-as < %s | llc -march=ppc32 | grep {__trampoline_setup}
+
+module asm "\09.lazy_reference .objc_class_name_NSImageRep"
+module asm "\09.objc_class_name_NSBitmapImageRep=0"
+module asm "\09.globl .objc_class_name_NSBitmapImageRep"
+	%struct.CGImage = type opaque
+	%"struct.FRAME.-[NSBitmapImageRep copyWithZone:]" = type { %struct.NSBitmapImageRep*, void (%struct.__block_1*, %struct.CGImage*)* }
+	%struct.NSBitmapImageRep = type { %struct.NSImageRep }
+	%struct.NSImageRep = type {  }
+	%struct.NSZone = type opaque
+	%struct.__block_1 = type { %struct.__invoke_impl, %struct.NSZone*, %struct.NSBitmapImageRep** }
+	%struct.__builtin_trampoline = type { [40 x i8] }
+	%struct.__invoke_impl = type { i8*, i32, i32, i8* }
+	%struct._objc__method_prototype_list = type opaque
+	%struct._objc_class = type { %struct._objc_class*, %struct._objc_class*, i8*, i32, i32, i32, %struct._objc_ivar_list*, %struct._objc_method_list*, %struct.objc_cache*, %struct._objc_protocol**, i8*, %struct._objc_class_ext* }
+	%struct._objc_class_ext = type opaque
+	%struct._objc_ivar_list = type opaque
+	%struct._objc_method = type { %struct.objc_selector*, i8*, i8* }
+	%struct._objc_method_list = type opaque
+	%struct._objc_module = type { i32, i32, i8*, %struct._objc_symtab* }
+	%struct._objc_protocol = type { %struct._objc_protocol_extension*, i8*, %struct._objc_protocol**, %struct._objc__method_prototype_list*, %struct._objc__method_prototype_list* }
+	%struct._objc_protocol_extension = type opaque
+	%struct._objc_super = type { %struct.objc_object*, %struct._objc_class* }
+	%struct._objc_symtab = type { i32, %struct.objc_selector**, i16, i16, [1 x i8*] }
+	%struct.anon = type { %struct._objc__method_prototype_list*, i32, [1 x %struct._objc_method] }
+	%struct.objc_cache = type opaque
+	%struct.objc_object = type opaque
+	%struct.objc_selector = type opaque
+	%struct.objc_super = type opaque
+@_NSConcreteStackBlock = external global i8*		; <i8**> [#uses=1]
+@"\01L_OBJC_SELECTOR_REFERENCES_1" = internal global %struct.objc_selector* bitcast ([34 x i8]* @"\01L_OBJC_METH_VAR_NAME_1" to %struct.objc_selector*), section "__OBJC,__message_refs,literal_pointers,no_dead_strip"		; <%struct.objc_selector**> [#uses=2]
+@"\01L_OBJC_CLASS_NSBitmapImageRep" = internal global %struct._objc_class { %struct._objc_class* @"\01L_OBJC_METACLASS_NSBitmapImageRep", %struct._objc_class* bitcast ([11 x i8]* @"\01L_OBJC_CLASS_NAME_1" to %struct._objc_class*), i8* getelementptr ([17 x i8]* @"\01L_OBJC_CLASS_NAME_0", i32 0, i32 0), i32 0, i32 1, i32 0, %struct._objc_ivar_list* null, %struct._objc_method_list* bitcast ({ i8*, i32, [1 x %struct._objc_method] }* @"\01L_OBJC_INSTANCE_METHODS_NSBitmapImageRep" to %struct._objc_method_list*), %struct.objc_cache* null, %struct._objc_protocol** null, i8* null, %struct._objc_class_ext* null }, section "__OBJC,__class,regular,no_dead_strip"		; <%struct._objc_class*> [#uses=3]
+@"\01L_OBJC_SELECTOR_REFERENCES_0" = internal global %struct.objc_selector* bitcast ([14 x i8]* @"\01L_OBJC_METH_VAR_NAME_0" to %struct.objc_selector*), section "__OBJC,__message_refs,literal_pointers,no_dead_strip"		; <%struct.objc_selector**> [#uses=2]
+@"\01L_OBJC_SYMBOLS" = internal global { i32, %struct.objc_selector**, i16, i16, [1 x %struct._objc_class*] } { i32 0, %struct.objc_selector** null, i16 1, i16 0, [1 x %struct._objc_class*] [ %struct._objc_class* @"\01L_OBJC_CLASS_NSBitmapImageRep" ] }, section "__OBJC,__symbols,regular,no_dead_strip"		; <{ i32, %struct.objc_selector**, i16, i16, [1 x %struct._objc_class*] }*> [#uses=2]
+@"\01L_OBJC_METH_VAR_NAME_0" = internal global [14 x i8] c"copyWithZone:\00", section "__TEXT,__cstring,cstring_literals", align 4		; <[14 x i8]*> [#uses=2]
+@"\01L_OBJC_METH_VAR_TYPE_0" = internal global [20 x i8] c"@12@0:4^{_NSZone=}8\00", section "__TEXT,__cstring,cstring_literals", align 4		; <[20 x i8]*> [#uses=1]
+@"\01L_OBJC_INSTANCE_METHODS_NSBitmapImageRep" = internal global { i8*, i32, [1 x %struct._objc_method] } { i8* null, i32 1, [1 x %struct._objc_method] [ %struct._objc_method { %struct.objc_selector* bitcast ([14 x i8]* @"\01L_OBJC_METH_VAR_NAME_0" to %struct.objc_selector*), i8* getelementptr ([20 x i8]* @"\01L_OBJC_METH_VAR_TYPE_0", i32 0, i32 0), i8* bitcast (%struct.objc_object* (%struct.NSBitmapImageRep*, %struct.objc_selector*, %struct.NSZone*)* @"-[NSBitmapImageRep copyWithZone:]" to i8*) } ] }, section "__OBJC,__inst_meth,regular,no_dead_strip"		; <{ i8*, i32, [1 x %struct._objc_method] }*> [#uses=2]
+@"\01L_OBJC_CLASS_NAME_0" = internal global [17 x i8] c"NSBitmapImageRep\00", section "__TEXT,__cstring,cstring_literals", align 4		; <[17 x i8]*> [#uses=1]
+@"\01L_OBJC_CLASS_NAME_1" = internal global [11 x i8] c"NSImageRep\00", section "__TEXT,__cstring,cstring_literals", align 4		; <[11 x i8]*> [#uses=2]
+@"\01L_OBJC_METACLASS_NSBitmapImageRep" = internal global %struct._objc_class { %struct._objc_class* bitcast ([11 x i8]* @"\01L_OBJC_CLASS_NAME_1" to %struct._objc_class*), %struct._objc_class* bitcast ([11 x i8]* @"\01L_OBJC_CLASS_NAME_1" to %struct._objc_class*), i8* getelementptr ([17 x i8]* @"\01L_OBJC_CLASS_NAME_0", i32 0, i32 0), i32 0, i32 2, i32 48, %struct._objc_ivar_list* null, %struct._objc_method_list* null, %struct.objc_cache* null, %struct._objc_protocol** null, i8* null, %struct._objc_class_ext* null }, section "__OBJC,__meta_class,regular,no_dead_strip"		; <%struct._objc_class*> [#uses=2]
+@"\01L_OBJC_METH_VAR_NAME_1" = internal global [34 x i8] c"_performBlockUsingBackingCGImage:\00", section "__TEXT,__cstring,cstring_literals", align 4		; <[34 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_2" = internal global [1 x i8] zeroinitializer, section "__TEXT,__cstring,cstring_literals", align 4		; <[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_2", i32 0, i32 0), %struct._objc_symtab* bitcast ({ i32, %struct.objc_selector**, i16, i16, [1 x %struct._objc_class*] }* @"\01L_OBJC_SYMBOLS" to %struct._objc_symtab*) }, section "__OBJC,__module_info,regular,no_dead_strip"		; <%struct._objc_module*> [#uses=1]
+@llvm.used = appending global [14 x i8*] [ i8* bitcast (%struct.objc_selector** @"\01L_OBJC_SELECTOR_REFERENCES_1" to i8*), i8* bitcast (%struct._objc_class* @"\01L_OBJC_CLASS_NSBitmapImageRep" to i8*), i8* bitcast (%struct.objc_selector** @"\01L_OBJC_SELECTOR_REFERENCES_0" to i8*), i8* bitcast ({ i32, %struct.objc_selector**, i16, i16, [1 x %struct._objc_class*] }* @"\01L_OBJC_SYMBOLS" to i8*), i8* getelementptr ([14 x i8]* @"\01L_OBJC_METH_VAR_NAME_0", i32 0, i32 0), i8* getelementptr ([20 x i8]* @"\01L_OBJC_METH_VAR_TYPE_0", i32 0, i32 0), i8* bitcast ({ i8*, i32, [1 x %struct._objc_method] }* @"\01L_OBJC_INSTANCE_METHODS_NSBitmapImageRep" to i8*), i8* getelementptr ([17 x i8]* @"\01L_OBJC_CLASS_NAME_0", i32 0, i32 0), i8* getelementptr ([11 x i8]* @"\01L_OBJC_CLASS_NAME_1", i32 0, i32 0), i8* bitcast (%struct._objc_class* @"\01L_OBJC_METACLASS_NSBitmapImageRep" to i8*), i8* getelementptr ([34 x i8]* @"\01L_OBJC_METH_VAR_NAME_1", i32 0, i32 0), i8* bitcast ([2 x i32]* @"\01L_OBJC_IMAGE_INFO" to i8*), i8* getelementptr ([1 x i8]* @"\01L_OBJC_CLASS_NAME_2", i32 0, i32 0), i8* bitcast (%struct._objc_module* @"\01L_OBJC_MODULES" to i8*) ], section "llvm.metadata"		; <[14 x i8*]*> [#uses=0]
+
+define internal %struct.objc_object* @"-[NSBitmapImageRep copyWithZone:]"(%struct.NSBitmapImageRep* %self, %struct.objc_selector* %_cmd, %struct.NSZone* %zone) nounwind {
+entry:
+	%self_addr = alloca %struct.NSBitmapImageRep*		; <%struct.NSBitmapImageRep**> [#uses=2]
+	%_cmd_addr = alloca %struct.objc_selector*		; <%struct.objc_selector**> [#uses=1]
+	%zone_addr = alloca %struct.NSZone*		; <%struct.NSZone**> [#uses=2]
+	%retval = alloca %struct.objc_object*		; <%struct.objc_object**> [#uses=1]
+	%__block_holder_tmp_1.0 = alloca %struct.__block_1		; <%struct.__block_1*> [#uses=7]
+	%new = alloca %struct.NSBitmapImageRep*		; <%struct.NSBitmapImageRep**> [#uses=2]
+	%self.1 = alloca %struct.objc_object*		; <%struct.objc_object**> [#uses=2]
+	%0 = alloca i8*		; <i8**> [#uses=2]
+	%TRAMP.9 = alloca %struct.__builtin_trampoline, align 4		; <%struct.__builtin_trampoline*> [#uses=1]
+	%1 = alloca void (%struct.__block_1*, %struct.CGImage*)*		; <void (%struct.__block_1*, %struct.CGImage*)**> [#uses=2]
+	%2 = alloca %struct.NSBitmapImageRep*		; <%struct.NSBitmapImageRep**> [#uses=2]
+	%FRAME.7 = alloca %"struct.FRAME.-[NSBitmapImageRep copyWithZone:]"		; <%"struct.FRAME.-[NSBitmapImageRep copyWithZone:]"*> [#uses=5]
+	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
+	store %struct.NSBitmapImageRep* %self, %struct.NSBitmapImageRep** %self_addr
+	store %struct.objc_selector* %_cmd, %struct.objc_selector** %_cmd_addr
+	store %struct.NSZone* %zone, %struct.NSZone** %zone_addr
+	%3 = getelementptr %"struct.FRAME.-[NSBitmapImageRep copyWithZone:]"* %FRAME.7, i32 0, i32 0		; <%struct.NSBitmapImageRep**> [#uses=1]
+	%4 = load %struct.NSBitmapImageRep** %self_addr, align 4		; <%struct.NSBitmapImageRep*> [#uses=1]
+	store %struct.NSBitmapImageRep* %4, %struct.NSBitmapImageRep** %3, align 4
+	%TRAMP.91 = bitcast %struct.__builtin_trampoline* %TRAMP.9 to i8*		; <i8*> [#uses=1]
+	%FRAME.72 = bitcast %"struct.FRAME.-[NSBitmapImageRep copyWithZone:]"* %FRAME.7 to i8*		; <i8*> [#uses=1]
+	%tramp = call i8* @llvm.init.trampoline(i8* %TRAMP.91, i8* bitcast (void (%"struct.FRAME.-[NSBitmapImageRep copyWithZone:]"*, %struct.__block_1*, %struct.CGImage*)* @__helper_1.1632 to i8*), i8* %FRAME.72)		; <i8*> [#uses=1]
+	store i8* %tramp, i8** %0, align 4
+	%5 = getelementptr %"struct.FRAME.-[NSBitmapImageRep copyWithZone:]"* %FRAME.7, i32 0, i32 1		; <void (%struct.__block_1*, %struct.CGImage*)**> [#uses=1]
+	%6 = load i8** %0, align 4		; <i8*> [#uses=1]
+	%7 = bitcast i8* %6 to void (%struct.__block_1*, %struct.CGImage*)*		; <void (%struct.__block_1*, %struct.CGImage*)*> [#uses=1]
+	store void (%struct.__block_1*, %struct.CGImage*)* %7, void (%struct.__block_1*, %struct.CGImage*)** %5, align 4
+	store %struct.NSBitmapImageRep* null, %struct.NSBitmapImageRep** %new, align 4
+	%8 = getelementptr %struct.__block_1* %__block_holder_tmp_1.0, i32 0, i32 0		; <%struct.__invoke_impl*> [#uses=1]
+	%9 = getelementptr %struct.__invoke_impl* %8, i32 0, i32 0		; <i8**> [#uses=1]
+	store i8* bitcast (i8** @_NSConcreteStackBlock to i8*), i8** %9, align 4
+	%10 = getelementptr %struct.__block_1* %__block_holder_tmp_1.0, i32 0, i32 0		; <%struct.__invoke_impl*> [#uses=1]
+	%11 = getelementptr %struct.__invoke_impl* %10, i32 0, i32 1		; <i32*> [#uses=1]
+	store i32 67108864, i32* %11, align 4
+	%12 = getelementptr %struct.__block_1* %__block_holder_tmp_1.0, i32 0, i32 0		; <%struct.__invoke_impl*> [#uses=1]
+	%13 = getelementptr %struct.__invoke_impl* %12, i32 0, i32 2		; <i32*> [#uses=1]
+	store i32 24, i32* %13, align 4
+	%14 = getelementptr %"struct.FRAME.-[NSBitmapImageRep copyWithZone:]"* %FRAME.7, i32 0, i32 1		; <void (%struct.__block_1*, %struct.CGImage*)**> [#uses=1]
+	%15 = load void (%struct.__block_1*, %struct.CGImage*)** %14, align 4		; <void (%struct.__block_1*, %struct.CGImage*)*> [#uses=1]
+	store void (%struct.__block_1*, %struct.CGImage*)* %15, void (%struct.__block_1*, %struct.CGImage*)** %1, align 4
+	%16 = getelementptr %struct.__block_1* %__block_holder_tmp_1.0, i32 0, i32 0		; <%struct.__invoke_impl*> [#uses=1]
+	%17 = getelementptr %struct.__invoke_impl* %16, i32 0, i32 3		; <i8**> [#uses=1]
+	%18 = load void (%struct.__block_1*, %struct.CGImage*)** %1, align 4		; <void (%struct.__block_1*, %struct.CGImage*)*> [#uses=1]
+	%19 = bitcast void (%struct.__block_1*, %struct.CGImage*)* %18 to i8*		; <i8*> [#uses=1]
+	store i8* %19, i8** %17, align 4
+	%20 = getelementptr %struct.__block_1* %__block_holder_tmp_1.0, i32 0, i32 1		; <%struct.NSZone**> [#uses=1]
+	%21 = load %struct.NSZone** %zone_addr, align 4		; <%struct.NSZone*> [#uses=1]
+	store %struct.NSZone* %21, %struct.NSZone** %20, align 4
+	%22 = getelementptr %struct.__block_1* %__block_holder_tmp_1.0, i32 0, i32 2		; <%struct.NSBitmapImageRep***> [#uses=1]
+	store %struct.NSBitmapImageRep** %new, %struct.NSBitmapImageRep*** %22, align 4
+	%23 = getelementptr %"struct.FRAME.-[NSBitmapImageRep copyWithZone:]"* %FRAME.7, i32 0, i32 0		; <%struct.NSBitmapImageRep**> [#uses=1]
+	%24 = load %struct.NSBitmapImageRep** %23, align 4		; <%struct.NSBitmapImageRep*> [#uses=1]
+	store %struct.NSBitmapImageRep* %24, %struct.NSBitmapImageRep** %2, align 4
+	%25 = load %struct.NSBitmapImageRep** %2, align 4		; <%struct.NSBitmapImageRep*> [#uses=1]
+	%26 = bitcast %struct.NSBitmapImageRep* %25 to %struct.objc_object*		; <%struct.objc_object*> [#uses=1]
+	store %struct.objc_object* %26, %struct.objc_object** %self.1, align 4
+	%27 = load %struct.objc_selector** @"\01L_OBJC_SELECTOR_REFERENCES_1", align 4		; <%struct.objc_selector*> [#uses=1]
+	%__block_holder_tmp_1.03 = bitcast %struct.__block_1* %__block_holder_tmp_1.0 to void (%struct.CGImage*)*		; <void (%struct.CGImage*)*> [#uses=1]
+	%28 = load %struct.objc_object** %self.1, align 4		; <%struct.objc_object*> [#uses=1]
+	%29 = call %struct.objc_object* (%struct.objc_object*, %struct.objc_selector*, ...)* inttoptr (i64 4294901504 to %struct.objc_object* (%struct.objc_object*, %struct.objc_selector*, ...)*)(%struct.objc_object* %28, %struct.objc_selector* %27, void (%struct.CGImage*)* %__block_holder_tmp_1.03) nounwind		; <%struct.objc_object*> [#uses=0]
+	br label %return
+
+return:		; preds = %entry
+	%retval5 = load %struct.objc_object** %retval		; <%struct.objc_object*> [#uses=1]
+	ret %struct.objc_object* %retval5
+}
+
+declare i8* @llvm.init.trampoline(i8*, i8*, i8*) nounwind
+
+define internal void @__helper_1.1632(%"struct.FRAME.-[NSBitmapImageRep copyWithZone:]"* nest %CHAIN.8, %struct.__block_1* %_self, %struct.CGImage* %cgImage) nounwind {
+entry:
+	%CHAIN.8_addr = alloca %"struct.FRAME.-[NSBitmapImageRep copyWithZone:]"*		; <%"struct.FRAME.-[NSBitmapImageRep copyWithZone:]"**> [#uses=2]
+	%_self_addr = alloca %struct.__block_1*		; <%struct.__block_1**> [#uses=3]
+	%cgImage_addr = alloca %struct.CGImage*		; <%struct.CGImage**> [#uses=1]
+	%zone = alloca %struct.NSZone*		; <%struct.NSZone**> [#uses=2]
+	%objc_super = alloca %struct._objc_super		; <%struct._objc_super*> [#uses=3]
+	%new = alloca %struct.NSBitmapImageRep**		; <%struct.NSBitmapImageRep***> [#uses=2]
+	%objc_super.5 = alloca %struct.objc_super*		; <%struct.objc_super**> [#uses=2]
+	%0 = alloca %struct.NSBitmapImageRep*		; <%struct.NSBitmapImageRep**> [#uses=2]
+	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
+	store %"struct.FRAME.-[NSBitmapImageRep copyWithZone:]"* %CHAIN.8, %"struct.FRAME.-[NSBitmapImageRep copyWithZone:]"** %CHAIN.8_addr
+	store %struct.__block_1* %_self, %struct.__block_1** %_self_addr
+	store %struct.CGImage* %cgImage, %struct.CGImage** %cgImage_addr
+	%1 = load %struct.__block_1** %_self_addr, align 4		; <%struct.__block_1*> [#uses=1]
+	%2 = getelementptr %struct.__block_1* %1, i32 0, i32 2		; <%struct.NSBitmapImageRep***> [#uses=1]
+	%3 = load %struct.NSBitmapImageRep*** %2, align 4		; <%struct.NSBitmapImageRep**> [#uses=1]
+	store %struct.NSBitmapImageRep** %3, %struct.NSBitmapImageRep*** %new, align 4
+	%4 = load %struct.__block_1** %_self_addr, align 4		; <%struct.__block_1*> [#uses=1]
+	%5 = getelementptr %struct.__block_1* %4, i32 0, i32 1		; <%struct.NSZone**> [#uses=1]
+	%6 = load %struct.NSZone** %5, align 4		; <%struct.NSZone*> [#uses=1]
+	store %struct.NSZone* %6, %struct.NSZone** %zone, align 4
+	%7 = load %"struct.FRAME.-[NSBitmapImageRep copyWithZone:]"** %CHAIN.8_addr, align 4		; <%"struct.FRAME.-[NSBitmapImageRep copyWithZone:]"*> [#uses=1]
+	%8 = getelementptr %"struct.FRAME.-[NSBitmapImageRep copyWithZone:]"* %7, i32 0, i32 0		; <%struct.NSBitmapImageRep**> [#uses=1]
+	%9 = load %struct.NSBitmapImageRep** %8, align 4		; <%struct.NSBitmapImageRep*> [#uses=1]
+	store %struct.NSBitmapImageRep* %9, %struct.NSBitmapImageRep** %0, align 4
+	%10 = load %struct.NSBitmapImageRep** %0, align 4		; <%struct.NSBitmapImageRep*> [#uses=1]
+	%11 = bitcast %struct.NSBitmapImageRep* %10 to %struct.objc_object*		; <%struct.objc_object*> [#uses=1]
+	%12 = getelementptr %struct._objc_super* %objc_super, i32 0, i32 0		; <%struct.objc_object**> [#uses=1]
+	store %struct.objc_object* %11, %struct.objc_object** %12, align 4
+	%13 = load %struct._objc_class** getelementptr (%struct._objc_class* @"\01L_OBJC_CLASS_NSBitmapImageRep", i32 0, i32 1), align 4		; <%struct._objc_class*> [#uses=1]
+	%14 = getelementptr %struct._objc_super* %objc_super, i32 0, i32 1		; <%struct._objc_class**> [#uses=1]
+	store %struct._objc_class* %13, %struct._objc_class** %14, align 4
+	%objc_super1 = bitcast %struct._objc_super* %objc_super to %struct.objc_super*		; <%struct.objc_super*> [#uses=1]
+	store %struct.objc_super* %objc_super1, %struct.objc_super** %objc_super.5, align 4
+	%15 = load %struct.objc_selector** @"\01L_OBJC_SELECTOR_REFERENCES_0", align 4		; <%struct.objc_selector*> [#uses=1]
+	%16 = load %struct.objc_super** %objc_super.5, align 4		; <%struct.objc_super*> [#uses=1]
+	%17 = load %struct.NSZone** %zone, align 4		; <%struct.NSZone*> [#uses=1]
+	%18 = call %struct.objc_object* (%struct.objc_super*, %struct.objc_selector*, ...)* @objc_msgSendSuper(%struct.objc_super* %16, %struct.objc_selector* %15, %struct.NSZone* %17) nounwind		; <%struct.objc_object*> [#uses=1]
+	%19 = bitcast %struct.objc_object* %18 to %struct.NSBitmapImageRep*		; <%struct.NSBitmapImageRep*> [#uses=1]
+	%20 = load %struct.NSBitmapImageRep*** %new, align 4		; <%struct.NSBitmapImageRep**> [#uses=1]
+	store %struct.NSBitmapImageRep* %19, %struct.NSBitmapImageRep** %20, align 4
+	br label %return
+
+return:		; preds = %entry
+	ret void
+}
+
+declare %struct.objc_object* @objc_msgSendSuper(%struct.objc_super*, %struct.objc_selector*, ...)