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15bfd6d3ad
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
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186269 91177308-0d34-0410-b5e6-96231b3b80d8
124 lines
6.9 KiB
LLVM
124 lines
6.9 KiB
LLVM
; RUN: opt -S -objc-arc < %s | FileCheck %s
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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_x = type { i8*, %struct.__block_byref_x*, i32, i32, i32 }
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%struct.__block_descriptor = type { i64, i64 }
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@_NSConcreteStackBlock = external global i8*
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@__block_descriptor_tmp = external hidden constant { i64, i64, i8*, i8*, i8*, i8* }
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; The optimizer should make use of the !clang.arc.no_objc_arc_exceptions
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; metadata and eliminate the retainBlock+release pair here.
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; rdar://10803830.
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; CHECK-LABEL: define void @test0(
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; CHECK-NOT: @objc
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; CHECK: }
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define void @test0() {
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entry:
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%x = alloca %struct.__block_byref_x, 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_x* %x, 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_x* %x, i64 0, i32 1
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store %struct.__block_byref_x* %x, %struct.__block_byref_x** %byref.forwarding, align 8
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%byref.flags = getelementptr inbounds %struct.__block_byref_x* %x, i64 0, i32 2
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store i32 0, i32* %byref.flags, align 8
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%byref.size = getelementptr inbounds %struct.__block_byref_x* %x, i64 0, i32 3
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store i32 32, i32* %byref.size, align 4
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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* bitcast (i8** @_NSConcreteStackBlock to i8*), 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*)* @__foo_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* bitcast ({ i64, i64, i8*, i8*, i8*, i8* }* @__block_descriptor_tmp to %struct.__block_descriptor*), %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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%t1 = bitcast %struct.__block_byref_x* %x to i8*
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store i8* %t1, i8** %block.captured, align 8
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%t2 = bitcast <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>* %block to i8*
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%t3 = call i8* @objc_retainBlock(i8* %t2) nounwind, !clang.arc.copy_on_escape !4
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%t4 = getelementptr inbounds i8* %t3, i64 16
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%t5 = bitcast i8* %t4 to i8**
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%t6 = load i8** %t5, align 8
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%t7 = bitcast i8* %t6 to void (i8*)*
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invoke void %t7(i8* %t3)
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to label %invoke.cont unwind label %lpad, !clang.arc.no_objc_arc_exceptions !4
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invoke.cont: ; preds = %entry
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call void @objc_release(i8* %t3) nounwind, !clang.imprecise_release !4
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call void @_Block_object_dispose(i8* %t1, i32 8)
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ret void
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lpad: ; preds = %entry
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%t8 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__objc_personality_v0 to i8*)
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cleanup
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call void @_Block_object_dispose(i8* %t1, i32 8)
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resume { i8*, i32 } %t8
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}
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; There is no !clang.arc.no_objc_arc_exceptions metadata here, so the optimizer
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; shouldn't eliminate anything, but *CAN* strength reduce the objc_retainBlock
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; to an objc_retain.
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; CHECK-LABEL: define void @test0_no_metadata(
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; CHECK: call i8* @objc_retain(
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; CHECK: invoke
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; CHECK: call void @objc_release(
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; CHECK: }
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define void @test0_no_metadata() {
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entry:
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%x = alloca %struct.__block_byref_x, 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_x* %x, 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_x* %x, i64 0, i32 1
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store %struct.__block_byref_x* %x, %struct.__block_byref_x** %byref.forwarding, align 8
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%byref.flags = getelementptr inbounds %struct.__block_byref_x* %x, i64 0, i32 2
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store i32 0, i32* %byref.flags, align 8
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%byref.size = getelementptr inbounds %struct.__block_byref_x* %x, i64 0, i32 3
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store i32 32, i32* %byref.size, align 4
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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* bitcast (i8** @_NSConcreteStackBlock to i8*), 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*)* @__foo_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* bitcast ({ i64, i64, i8*, i8*, i8*, i8* }* @__block_descriptor_tmp to %struct.__block_descriptor*), %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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%t1 = bitcast %struct.__block_byref_x* %x to i8*
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store i8* %t1, i8** %block.captured, align 8
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%t2 = bitcast <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }>* %block to i8*
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%t3 = call i8* @objc_retainBlock(i8* %t2) nounwind, !clang.arc.copy_on_escape !4
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%t4 = getelementptr inbounds i8* %t3, i64 16
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%t5 = bitcast i8* %t4 to i8**
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%t6 = load i8** %t5, align 8
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%t7 = bitcast i8* %t6 to void (i8*)*
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invoke void %t7(i8* %t3)
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to label %invoke.cont unwind label %lpad
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invoke.cont: ; preds = %entry
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call void @objc_release(i8* %t3) nounwind, !clang.imprecise_release !4
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call void @_Block_object_dispose(i8* %t1, i32 8)
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ret void
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lpad: ; preds = %entry
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%t8 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__objc_personality_v0 to i8*)
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cleanup
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call void @_Block_object_dispose(i8* %t1, i32 8)
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resume { i8*, i32 } %t8
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}
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declare i8* @objc_retainBlock(i8*)
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declare void @objc_release(i8*)
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declare void @_Block_object_dispose(i8*, i32)
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declare i32 @__objc_personality_v0(...)
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declare void @__foo_block_invoke_0(i8* nocapture) uwtable ssp
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!4 = metadata !{}
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