diff options
Diffstat (limited to 'llvm/test/Transforms/ObjCARC/weak-copies.ll')
-rw-r--r-- | llvm/test/Transforms/ObjCARC/weak-copies.ll | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/llvm/test/Transforms/ObjCARC/weak-copies.ll b/llvm/test/Transforms/ObjCARC/weak-copies.ll deleted file mode 100644 index 440f3fb2bb3..00000000000 --- a/llvm/test/Transforms/ObjCARC/weak-copies.ll +++ /dev/null @@ -1,89 +0,0 @@ -; RUN: opt -S -basicaa -objc-arc < %s | FileCheck %s - -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" -target triple = "x86_64-apple-darwin11.0.0" - -%0 = type { i64, i64, i8*, i8*, i8*, i8* } -%1 = type <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i8* }> -%struct.__block_descriptor = type { i64, i64 } - -@_NSConcreteStackBlock = external global i8* -@.str = private unnamed_addr constant [6 x i8] c"v8@?0\00" -@"\01L_OBJC_CLASS_NAME_" = internal global [3 x i8] c"\01@\00", section "__TEXT,__objc_classname,cstring_literals", align 1 -@__block_descriptor_tmp = internal constant %0 { i64 0, i64 40, i8* bitcast (void (i8*, i8*)* @__copy_helper_block_ to i8*), i8* bitcast (void (i8*)* @__destroy_helper_block_ to i8*), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i32 0, i32 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @"\01L_OBJC_CLASS_NAME_", i32 0, i32 0) } -@"\01L_OBJC_IMAGE_INFO" = internal constant [2 x i32] [i32 0, i32 16], section "__DATA, __objc_imageinfo, regular, no_dead_strip" -@llvm.used = appending global [2 x i8*] [i8* getelementptr inbounds ([3 x i8], [3 x i8]* @"\01L_OBJC_CLASS_NAME_", i32 0, i32 0), i8* bitcast ([2 x i32]* @"\01L_OBJC_IMAGE_INFO" to i8*)], section "llvm.metadata" - -; Eliminate unnecessary weak pointer copies. - -; CHECK: define void @foo() { -; CHECK-NEXT: entry: -; CHECK-NEXT: %call = call i8* @bar() -; CHECK-NEXT: call void @use(i8* %call) [[NUW:#[0-9]+]] -; CHECK-NEXT: ret void -; CHECK-NEXT: } -define void @foo() { -entry: - %w = alloca i8*, align 8 - %x = alloca i8*, align 8 - %call = call i8* @bar() - %0 = call i8* @llvm.objc.initWeak(i8** %w, i8* %call) nounwind - %1 = call i8* @llvm.objc.loadWeak(i8** %w) nounwind - %2 = call i8* @llvm.objc.initWeak(i8** %x, i8* %1) nounwind - %3 = call i8* @llvm.objc.loadWeak(i8** %x) nounwind - call void @use(i8* %3) nounwind - call void @llvm.objc.destroyWeak(i8** %x) nounwind - call void @llvm.objc.destroyWeak(i8** %w) nounwind - ret void -} - -; Eliminate unnecessary weak pointer copies in a block initialization. - -; CHECK: define void @qux(i8* %me) #0 { -; CHECK-NEXT: entry: -; CHECK-NEXT: %block = alloca %1, align 8 -; CHECK-NOT: alloca -; CHECK: } -define void @qux(i8* %me) nounwind { -entry: - %w = alloca i8*, align 8 - %block = alloca %1, align 8 - %0 = call i8* @llvm.objc.retain(i8* %me) nounwind - %1 = call i8* @llvm.objc.initWeak(i8** %w, i8* %0) nounwind - %block.isa = getelementptr inbounds %1, %1* %block, i64 0, i32 0 - store i8* bitcast (i8** @_NSConcreteStackBlock to i8*), i8** %block.isa, align 8 - %block.flags = getelementptr inbounds %1, %1* %block, i64 0, i32 1 - store i32 1107296256, i32* %block.flags, align 8 - %block.reserved = getelementptr inbounds %1, %1* %block, i64 0, i32 2 - store i32 0, i32* %block.reserved, align 4 - %block.invoke = getelementptr inbounds %1, %1* %block, i64 0, i32 3 - store i8* bitcast (void (i8*)* @__qux_block_invoke_0 to i8*), i8** %block.invoke, align 8 - %block.descriptor = getelementptr inbounds %1, %1* %block, i64 0, i32 4 - store %struct.__block_descriptor* bitcast (%0* @__block_descriptor_tmp to %struct.__block_descriptor*), %struct.__block_descriptor** %block.descriptor, align 8 - %block.captured = getelementptr inbounds %1, %1* %block, i64 0, i32 5 - %2 = call i8* @llvm.objc.loadWeak(i8** %w) nounwind - %3 = call i8* @llvm.objc.initWeak(i8** %block.captured, i8* %2) nounwind - %4 = bitcast %1* %block to void ()* - call void @use_block(void ()* %4) nounwind - call void @llvm.objc.destroyWeak(i8** %block.captured) nounwind - call void @llvm.objc.destroyWeak(i8** %w) nounwind - call void @llvm.objc.release(i8* %0) nounwind, !clang.imprecise_release !0 - ret void -} - -declare i8* @llvm.objc.retain(i8*) -declare void @use_block(void ()*) nounwind -declare void @__qux_block_invoke_0(i8* %.block_descriptor) nounwind -declare void @__copy_helper_block_(i8*, i8*) nounwind -declare void @llvm.objc.copyWeak(i8**, i8**) -declare void @__destroy_helper_block_(i8*) nounwind -declare void @llvm.objc.release(i8*) -declare i8* @bar() -declare i8* @llvm.objc.initWeak(i8**, i8*) -declare i8* @llvm.objc.loadWeak(i8**) -declare void @use(i8*) nounwind -declare void @llvm.objc.destroyWeak(i8**) - -; CHECK: attributes [[NUW]] = { nounwind } - -!0 = !{} |