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f20746afd1
This conversion was done with the following bash script: find test/Transforms -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc" $NAME; then TEMP=`mktemp -t temp` cp $NAME $TEMP sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \ while read FUNC; do sed -i '' "s/;\(.*\)\([A-Za-z0-9_]*\):\( *\)define\([^@]*\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3define\4@$FUNC(/g" $TEMP done mv $TEMP $NAME fi done llvm-svn: 186269
135 lines
8.6 KiB
LLVM
135 lines
8.6 KiB
LLVM
; RUN: opt -objc-arc -S < %s | FileCheck %s
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; rdar://11229925
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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%struct.__block_byref_weakLogNTimes = type { i8*, %struct.__block_byref_weakLogNTimes*, i32, i32, i8*, i8*, void (...)* }
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%struct.__block_descriptor = type { i64, i64 }
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; Don't optimize away the retainBlock, because the object's address "escapes"
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; with the objc_storeWeak call.
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; CHECK-LABEL: define void @test0(
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; CHECK: %tmp7 = call i8* @objc_retainBlock(i8* %tmp6) [[NUW:#[0-9]+]], !clang.arc.copy_on_escape !0
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; CHECK: call void @objc_release(i8* %tmp7) [[NUW]], !clang.imprecise_release !0
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; CHECK: }
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define void @test0() nounwind {
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entry:
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%weakLogNTimes = alloca %struct.__block_byref_weakLogNTimes, align 8
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%block = alloca <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>, align 8
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%byref.isa = getelementptr inbounds %struct.__block_byref_weakLogNTimes* %weakLogNTimes, i64 0, i32 0
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store i8* null, i8** %byref.isa, align 8
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%byref.forwarding = getelementptr inbounds %struct.__block_byref_weakLogNTimes* %weakLogNTimes, i64 0, i32 1
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store %struct.__block_byref_weakLogNTimes* %weakLogNTimes, %struct.__block_byref_weakLogNTimes** %byref.forwarding, align 8
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%byref.flags = getelementptr inbounds %struct.__block_byref_weakLogNTimes* %weakLogNTimes, i64 0, i32 2
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store i32 33554432, i32* %byref.flags, align 8
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%byref.size = getelementptr inbounds %struct.__block_byref_weakLogNTimes* %weakLogNTimes, i64 0, i32 3
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store i32 48, i32* %byref.size, align 4
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%tmp1 = getelementptr inbounds %struct.__block_byref_weakLogNTimes* %weakLogNTimes, i64 0, i32 4
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store i8* bitcast (void (i8*, i8*)* @__Block_byref_object_copy_ to i8*), i8** %tmp1, align 8
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%tmp2 = getelementptr inbounds %struct.__block_byref_weakLogNTimes* %weakLogNTimes, i64 0, i32 5
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store i8* bitcast (void (i8*)* @__Block_byref_object_dispose_ to i8*), i8** %tmp2, align 8
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%weakLogNTimes1 = getelementptr inbounds %struct.__block_byref_weakLogNTimes* %weakLogNTimes, i64 0, i32 6
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%tmp3 = bitcast void (...)** %weakLogNTimes1 to i8**
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%tmp4 = call i8* @objc_initWeak(i8** %tmp3, i8* null) nounwind
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%block.isa = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>* %block, i64 0, i32 0
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store i8* null, i8** %block.isa, align 8
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%block.flags = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>* %block, i64 0, i32 1
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store i32 1107296256, i32* %block.flags, align 8
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%block.reserved = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>* %block, i64 0, i32 2
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store i32 0, i32* %block.reserved, align 4
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%block.invoke = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>* %block, i64 0, i32 3
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store i8* bitcast (void (i8*, i32)* @__main_block_invoke_0 to i8*), i8** %block.invoke, align 8
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%block.descriptor = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>* %block, i64 0, i32 4
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store %struct.__block_descriptor* null, %struct.__block_descriptor** %block.descriptor, align 8
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%block.captured = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>* %block, i64 0, i32 5
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%tmp5 = bitcast %struct.__block_byref_weakLogNTimes* %weakLogNTimes to i8*
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store i8* %tmp5, i8** %block.captured, align 8
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%tmp6 = bitcast <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>* %block to i8*
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%tmp7 = call i8* @objc_retainBlock(i8* %tmp6) nounwind, !clang.arc.copy_on_escape !0
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%tmp8 = load %struct.__block_byref_weakLogNTimes** %byref.forwarding, align 8
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%weakLogNTimes3 = getelementptr inbounds %struct.__block_byref_weakLogNTimes* %tmp8, i64 0, i32 6
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%tmp9 = bitcast void (...)** %weakLogNTimes3 to i8**
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%tmp10 = call i8* @objc_storeWeak(i8** %tmp9, i8* %tmp7) nounwind
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%tmp11 = getelementptr inbounds i8* %tmp7, i64 16
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%tmp12 = bitcast i8* %tmp11 to i8**
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%tmp13 = load i8** %tmp12, align 8
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%tmp14 = bitcast i8* %tmp13 to void (i8*, i32)*
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call void %tmp14(i8* %tmp7, i32 10) nounwind, !clang.arc.no_objc_arc_exceptions !0
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call void @objc_release(i8* %tmp7) nounwind, !clang.imprecise_release !0
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call void @_Block_object_dispose(i8* %tmp5, i32 8) nounwind
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call void @objc_destroyWeak(i8** %tmp3) nounwind
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ret void
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}
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; Like test0, but it makes a regular call instead of a storeWeak call,
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; so the optimization is valid.
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; CHECK-LABEL: define void @test1(
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; CHECK-NOT: @objc_retainBlock
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; CHECK: }
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define void @test1() nounwind {
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entry:
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%weakLogNTimes = alloca %struct.__block_byref_weakLogNTimes, align 8
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%block = alloca <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>, align 8
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%byref.isa = getelementptr inbounds %struct.__block_byref_weakLogNTimes* %weakLogNTimes, i64 0, i32 0
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store i8* null, i8** %byref.isa, align 8
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%byref.forwarding = getelementptr inbounds %struct.__block_byref_weakLogNTimes* %weakLogNTimes, i64 0, i32 1
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store %struct.__block_byref_weakLogNTimes* %weakLogNTimes, %struct.__block_byref_weakLogNTimes** %byref.forwarding, align 8
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%byref.flags = getelementptr inbounds %struct.__block_byref_weakLogNTimes* %weakLogNTimes, i64 0, i32 2
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store i32 33554432, i32* %byref.flags, align 8
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%byref.size = getelementptr inbounds %struct.__block_byref_weakLogNTimes* %weakLogNTimes, i64 0, i32 3
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store i32 48, i32* %byref.size, align 4
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%tmp1 = getelementptr inbounds %struct.__block_byref_weakLogNTimes* %weakLogNTimes, i64 0, i32 4
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store i8* bitcast (void (i8*, i8*)* @__Block_byref_object_copy_ to i8*), i8** %tmp1, align 8
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%tmp2 = getelementptr inbounds %struct.__block_byref_weakLogNTimes* %weakLogNTimes, i64 0, i32 5
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store i8* bitcast (void (i8*)* @__Block_byref_object_dispose_ to i8*), i8** %tmp2, align 8
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%weakLogNTimes1 = getelementptr inbounds %struct.__block_byref_weakLogNTimes* %weakLogNTimes, i64 0, i32 6
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%tmp3 = bitcast void (...)** %weakLogNTimes1 to i8**
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%tmp4 = call i8* @objc_initWeak(i8** %tmp3, i8* null) nounwind
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%block.isa = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>* %block, i64 0, i32 0
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store i8* null, i8** %block.isa, align 8
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%block.flags = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>* %block, i64 0, i32 1
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store i32 1107296256, i32* %block.flags, align 8
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%block.reserved = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>* %block, i64 0, i32 2
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store i32 0, i32* %block.reserved, align 4
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%block.invoke = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>* %block, i64 0, i32 3
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store i8* bitcast (void (i8*, i32)* @__main_block_invoke_0 to i8*), i8** %block.invoke, align 8
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%block.descriptor = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>* %block, i64 0, i32 4
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store %struct.__block_descriptor* null, %struct.__block_descriptor** %block.descriptor, align 8
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%block.captured = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>* %block, i64 0, i32 5
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%tmp5 = bitcast %struct.__block_byref_weakLogNTimes* %weakLogNTimes to i8*
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store i8* %tmp5, i8** %block.captured, align 8
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%tmp6 = bitcast <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>* %block to i8*
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%tmp7 = call i8* @objc_retainBlock(i8* %tmp6) nounwind, !clang.arc.copy_on_escape !0
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%tmp8 = load %struct.__block_byref_weakLogNTimes** %byref.forwarding, align 8
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%weakLogNTimes3 = getelementptr inbounds %struct.__block_byref_weakLogNTimes* %tmp8, i64 0, i32 6
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%tmp9 = bitcast void (...)** %weakLogNTimes3 to i8**
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%tmp10 = call i8* @not_really_objc_storeWeak(i8** %tmp9, i8* %tmp7) nounwind
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%tmp11 = getelementptr inbounds i8* %tmp7, i64 16
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%tmp12 = bitcast i8* %tmp11 to i8**
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%tmp13 = load i8** %tmp12, align 8
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%tmp14 = bitcast i8* %tmp13 to void (i8*, i32)*
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call void %tmp14(i8* %tmp7, i32 10) nounwind, !clang.arc.no_objc_arc_exceptions !0
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call void @objc_release(i8* %tmp7) nounwind, !clang.imprecise_release !0
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call void @_Block_object_dispose(i8* %tmp5, i32 8) nounwind
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call void @objc_destroyWeak(i8** %tmp3) nounwind
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ret void
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}
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declare void @__Block_byref_object_copy_(i8*, i8*) nounwind
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declare void @__Block_byref_object_dispose_(i8*) nounwind
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declare void @objc_destroyWeak(i8**)
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declare i8* @objc_initWeak(i8**, i8*)
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declare void @__main_block_invoke_0(i8* nocapture, i32) nounwind ssp
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declare void @_Block_object_dispose(i8*, i32)
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declare i8* @objc_retainBlock(i8*)
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declare i8* @objc_storeWeak(i8**, i8*)
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declare i8* @not_really_objc_storeWeak(i8**, i8*)
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declare void @objc_release(i8*)
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!0 = metadata !{}
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; CHECK: attributes [[NUW]] = { nounwind }
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; CHECK: attributes #1 = { nounwind ssp }
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