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https://github.com/RPCS3/llvm-mirror.git
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d7d5eb1d9b
infinite loop This fixes a bug introduced in 6770fbb31450db15d8d4a2ac7f0ce70eaf2acc5f. rdar://problem/59137105
134 lines
6.5 KiB
LLVM
134 lines
6.5 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_.1 = 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 #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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; CHECK: define %[[V0:.*]]* @test_conditional0(
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; CHECK: %[[PHI0:.*]] = phi %[[V0]]* [ bitcast (%struct.__NSConstantString_tag* @_unnamed_cfstring_ to %[[V0]]*), %{{.*}} ], [ null, %{{.*}} ]
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; CHECK: %[[PHI1:.*]] = phi %[[V0]]* [ bitcast (%struct.__NSConstantString_tag* @_unnamed_cfstring_ to %[[V0]]*), %{{.*}} ], [ %[[PHI0]], %{{.*}} ]
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; CHECK-NEXT: %[[PHI2:.*]] = phi %[[V0]]* [ bitcast (%struct.__NSConstantString_tag* @_unnamed_cfstring_ to %[[V0]]*), %{{.*}} ], [ %{{.*}}, %{{.*}} ]
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; CHECK-NEXT: %[[V2:.*]] = bitcast %[[V0]]* %[[PHI1]] to i8*
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; CHECK-NEXT: %[[V4:.*]] = bitcast %[[V0]]* %[[PHI2]] to i8*
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; CHECK-NEXT: %[[V5:.*]] = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* %[[V4]])
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; CHECK-NEXT: ret %[[V0]]* %[[PHI2]]
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define %0* @test_conditional0(i32 %i, %0* %b) {
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entry:
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%v0 = icmp eq i32 %i, 1
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br i1 %v0, label %bb2, label %bb1
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bb1:
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%v1 = icmp eq i32 %i, 2
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br i1 %v1, label %bb2, label %return
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bb2:
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%phi0 = phi %0* [ bitcast (%struct.__NSConstantString_tag* @_unnamed_cfstring_ to %0*), %entry ], [ null, %bb1 ]
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br label %return
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return:
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%phi1 = phi %0* [ bitcast (%struct.__NSConstantString_tag* @_unnamed_cfstring_ to %0*), %bb1 ], [ %phi0, %bb2 ]
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%phi2 = phi %0* [ bitcast (%struct.__NSConstantString_tag* @_unnamed_cfstring_ to %0*), %bb1 ], [ %b, %bb2 ]
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%v2 = bitcast %0* %phi1 to i8*
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%v3 = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* %v2)
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%v4 = bitcast %0* %phi2 to i8*
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%v5 = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* %v4)
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ret %0* %phi2
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}
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; CHECK-LABEL: define void @test_conditional1(
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; CHECK-NOT: @llvm.objc
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; CHECK: ret void
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define void @test_conditional1(i32 %i) {
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entry:
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%v0 = add nsw i32 %i, -1
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%c1 = icmp eq i32 %v0, 0
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br i1 %c1, label %while.end, label %while.body
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while.body:
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%v1 = phi i32 [ %v5, %if.end ], [ %v0, %entry ]
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%v2 = phi i8* [ %v4, %if.end ], [ bitcast (%struct.__NSConstantString_tag* @_unnamed_cfstring_.1 to i8*), %entry ]
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%v3 = tail call i8* @llvm.objc.retain(i8* %v2)
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%cmp = icmp eq i32 %v1, 2
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br i1 %cmp, label %if.then, label %if.end
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if.then:
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call void @llvm.objc.release(i8* %v2)
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br label %if.end
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if.end:
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%v4 = phi i8* [ bitcast (%struct.__NSConstantString_tag* @_unnamed_cfstring_ to i8*), %if.then ], [ %v2, %while.body ]
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call void @llvm.objc.release(i8* %v2)
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%v5 = add nsw i32 %v1, -1
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%tobool = icmp eq i32 %v5, 0
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br i1 %tobool, label %while.end, label %while.body
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while.end:
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%v6 = phi i8* [ null, %entry ], [ %v4, %if.end ]
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call void @llvm.objc.release(i8* %v6)
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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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