1 ; RUN: opt -S -aa-pipeline=objc-arc-aa,basic-aa -passes=gvn < %s | FileCheck %s
4 ; objc_retainBlock stores into %repeater so the load from after the
5 ; call isn't forwardable from the store before the call.
7 ; CHECK: %tmp16 = call ptr @llvm.objc.retainBlock(ptr %block) [[NUW:#[0-9]+]]
8 ; CHECK: %tmp18 = load ptr, ptr %byref.forwarding, align 8
9 ; CHECK: %repeater12 = getelementptr inbounds %struct.__block_byref_repeater, ptr %tmp18, i64 0, i32 6
10 ; CHECK: store ptr %tmp16, ptr %repeater12, align 8
12 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"
15 %struct.__block_byref_repeater = type { ptr, ptr, i32, i32, ptr, ptr, ptr }
16 %struct.__block_descriptor = type { i64, i64 }
18 define void @foo() noreturn {
20 %repeater = alloca %struct.__block_byref_repeater, align 8
21 %block = alloca <{ ptr, i32, i32, ptr, ptr, ptr, ptr }>, align 8
22 %byref.forwarding = getelementptr inbounds %struct.__block_byref_repeater, ptr %repeater, i64 0, i32 1
23 %tmp10 = getelementptr inbounds %struct.__block_byref_repeater, ptr %repeater, i64 0, i32 6
24 store ptr null, ptr %tmp10, align 8
25 %block.captured11 = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr, ptr }>, ptr %block, i64 0, i32 6
26 store ptr %repeater, ptr %block.captured11, align 8
27 %tmp16 = call ptr @llvm.objc.retainBlock(ptr %block) nounwind
28 %tmp18 = load ptr, ptr %byref.forwarding, align 8
29 %repeater12 = getelementptr inbounds %struct.__block_byref_repeater, ptr %tmp18, i64 0, i32 6
30 %tmp13 = load ptr, ptr %repeater12, align 8
31 store ptr %tmp16, ptr %repeater12, align 8
35 declare ptr @llvm.objc.retainBlock(ptr)
37 ; CHECK: attributes #0 = { noreturn }
38 ; CHECK: attributes [[NUW]] = { nounwind }