forked from OSchip/llvm-project
66 lines
3.8 KiB
LLVM
66 lines
3.8 KiB
LLVM
; RUN: opt -objc-arc -S < %s | FileCheck %s
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%0 = type opaque
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%struct.__NSConstantString_tag = type { i32*, i32, i8*, i64 }
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%struct.__block_descriptor = type { i64, i64 }
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@__CFConstantStringClassReference = external global [0 x i32]
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@.str = private unnamed_addr constant [4 x i8] c"abc\00", section "__TEXT,__cstring,cstring_literals", align 1
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@.str1 = private unnamed_addr constant [4 x i8] c"def\00", section "__TEXT,__cstring,cstring_literals", align 1
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@_unnamed_cfstring_ = private global %struct.__NSConstantString_tag { i32* getelementptr inbounds ([0 x i32], [0 x i32]* @__CFConstantStringClassReference, i32 0, i32 0), i32 1992, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i64 3 }, section "__DATA,__cfstring", align 8 #0
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@_unnamed_cfstring_wo_attr = private global %struct.__NSConstantString_tag { i32* getelementptr inbounds ([0 x i32], [0 x i32]* @__CFConstantStringClassReference, i32 0, i32 0), i32 1992, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str1, i32 0, i32 0), i64 3 }, section "__DATA,__cfstring", align 8
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@_NSConcreteGlobalBlock = external global i8*
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@.str.1 = private unnamed_addr constant [6 x i8] c"v8@?0\00", align 1
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@"__block_descriptor_32_e5_v8@?0l" = linkonce_odr hidden unnamed_addr constant { i64, i64, i8*, i8* } { i64 0, i64 32, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* null }, align 8
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@__block_literal_global = internal constant { i8**, i32, i32, i8*, %struct.__block_descriptor* } { i8** @_NSConcreteGlobalBlock, i32 1342177280, i32 0, i8* bitcast (void (i8*)* @__globalBlock_block_invoke to i8*), %struct.__block_descriptor* bitcast ({ i64, i64, i8*, i8* }* @"__block_descriptor_32_e5_v8@?0l" to %struct.__block_descriptor*) }, align 8 #0
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; CHECK-LABEL: define %0* @stringLiteral()
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; CHECK-NOT: call
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; CHECK: ret %0* bitcast (%struct.__NSConstantString_tag* @_unnamed_cfstring_ to %0*)
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define %0* @stringLiteral() {
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%1 = tail call i8* @llvm.objc.retain(i8* bitcast (%struct.__NSConstantString_tag* @_unnamed_cfstring_ to i8*))
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%2 = call i8* @llvm.objc.autorelease(i8* bitcast (%struct.__NSConstantString_tag* @_unnamed_cfstring_ to i8*))
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ret %0* bitcast (%struct.__NSConstantString_tag* @_unnamed_cfstring_ to %0*)
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}
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; CHECK-LABEL: define %0* @stringLiteral1()
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; CHECK-NEXT: call i8* @llvm.objc.retain(
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; CHECK-NEXT: call i8* @llvm.objc.autorelease(
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; CHECK-NEXT: ret %0*
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define %0* @stringLiteral1() {
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%1 = tail call i8* @llvm.objc.retain(i8* bitcast (%struct.__NSConstantString_tag* @_unnamed_cfstring_wo_attr to i8*))
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%2 = call i8* @llvm.objc.autorelease(i8* bitcast (%struct.__NSConstantString_tag* @_unnamed_cfstring_wo_attr to i8*))
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ret %0* bitcast (%struct.__NSConstantString_tag* @_unnamed_cfstring_wo_attr to %0*)
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}
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; CHECK-LABEL: define void (...)* @globalBlock()
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; CHECK-NOT: call
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; CHECK: %[[V1:.*]] = bitcast i8* bitcast ({ i8**, i32, i32, i8*, %struct.__block_descriptor* }* @__block_literal_global to i8*) to void (...)*
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; CHECK-NEXT: ret void (...)* %[[V1]]
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define void (...)* @globalBlock() {
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%1 = tail call i8* @llvm.objc.retainBlock(i8* bitcast ({ i8**, i32, i32, i8*, %struct.__block_descriptor* }* @__block_literal_global to i8*))
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%2 = tail call i8* @llvm.objc.retainBlock(i8* %1)
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%3 = bitcast i8* %2 to void (...)*
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tail call void @llvm.objc.release(i8* %1)
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%4 = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* %2)
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ret void (...)* %3
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}
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define internal void @__globalBlock_block_invoke(i8* nocapture readnone) {
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tail call void @foo()
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ret void
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}
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declare void @foo()
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declare i8* @llvm.objc.retain(i8*) local_unnamed_addr
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declare i8* @llvm.objc.autoreleaseReturnValue(i8*) local_unnamed_addr
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declare i8* @llvm.objc.retainBlock(i8*) local_unnamed_addr
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declare void @llvm.objc.release(i8*) local_unnamed_addr
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declare i8* @llvm.objc.autorelease(i8*) local_unnamed_addr
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attributes #0 = { "objc_arc_inert" }
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