; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=fiji -enable-ipra=0 -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,VI %s ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=hawaii -enable-ipra=0 -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,CI %s %struct.ByValStruct = type { [4 x i32] } ; GCN-LABEL: {{^}}void_func_byval_struct: ; GCN: s_mov_b32 s5, s32 ; GCN: buffer_load_dword [[LOAD0:v[0-9]+]], off, s[0:3], s5 offset:4{{$}} ; GCN-NOT: s32 ; GCN: buffer_store_dword [[LOAD0]], off, s[0:3], s5 offset:4{{$}} ; GCN-NOT: s32 ; GCN: buffer_load_dword [[LOAD1:v[0-9]+]], off, s[0:3], s5 offset:20{{$}} ; GCN-NOT: s32 ; GCN: buffer_store_dword [[LOAD1]], off, s[0:3], s5 offset:20{{$}} ; GCN-NOT: s32 define void @void_func_byval_struct(%struct.ByValStruct addrspace(5)* byval noalias nocapture align 4 %arg0, %struct.ByValStruct addrspace(5)* byval noalias nocapture align 4 %arg1) #1 { entry: %arrayidx = getelementptr inbounds %struct.ByValStruct, %struct.ByValStruct addrspace(5)* %arg0, i32 0, i32 0, i32 0 %tmp = load volatile i32, i32 addrspace(5)* %arrayidx, align 4 %add = add nsw i32 %tmp, 1 store volatile i32 %add, i32 addrspace(5)* %arrayidx, align 4 %arrayidx2 = getelementptr inbounds %struct.ByValStruct, %struct.ByValStruct addrspace(5)* %arg1, i32 0, i32 0, i32 0 %tmp1 = load volatile i32, i32 addrspace(5)* %arrayidx2, align 4 %add3 = add nsw i32 %tmp1, 2 store volatile i32 %add3, i32 addrspace(5)* %arrayidx2, align 4 store volatile i32 9, i32 addrspace(1)* null, align 4 ret void } ; GCN-LABEL: {{^}}void_func_byval_struct_non_leaf: ; GCN: s_mov_b32 s5, s32 ; GCN-DAG: buffer_store_dword v32 ; GCN-DAG: buffer_store_dword v33 ; GCN-NOT: v_writelane_b32 v{{[0-9]+}}, s32 ; GCN-DAG: v_writelane_b32 ; GCN-DAG: s_add_u32 s32, s32, 0xc00{{$}} ; GCN-DAG: buffer_load_dword [[LOAD0:v[0-9]+]], off, s[0:3], s5 offset:4{{$}} ; GCN-DAG: v_add_{{[iu]}}32_e32 [[ADD0:v[0-9]+]], vcc, 1, [[LOAD0]] ; GCN-DAG: buffer_store_dword [[ADD0]], off, s[0:3], s5 offset:4{{$}} ; GCN-DAG: buffer_load_dword [[LOAD1:v[0-9]+]], off, s[0:3], s5 offset:20{{$}} ; GCN-DAG: v_add_{{[iu]}}32_e32 [[ADD1:v[0-9]+]], vcc, 2, [[LOAD1]] ; GCN: s_swappc_b64 ; GCN: buffer_store_dword [[ADD1]], off, s[0:3], s5 offset:20{{$}} ; GCN: v_readlane_b32 ; GCN-NOT: v_readlane_b32 s32 ; GCN-DAG: buffer_load_dword v32, ; GCN-DAG: buffer_load_dword v33, ; GCN: s_sub_u32 s32, s32, 0xc00{{$}} ; GCN: s_setpc_b64 define void @void_func_byval_struct_non_leaf(%struct.ByValStruct addrspace(5)* byval noalias nocapture align 4 %arg0, %struct.ByValStruct addrspace(5)* byval noalias nocapture align 4 %arg1) #1 { entry: %arrayidx = getelementptr inbounds %struct.ByValStruct, %struct.ByValStruct addrspace(5)* %arg0, i32 0, i32 0, i32 0 %tmp = load volatile i32, i32 addrspace(5)* %arrayidx, align 4 %add = add nsw i32 %tmp, 1 store volatile i32 %add, i32 addrspace(5)* %arrayidx, align 4 %arrayidx2 = getelementptr inbounds %struct.ByValStruct, %struct.ByValStruct addrspace(5)* %arg1, i32 0, i32 0, i32 0 %tmp1 = load volatile i32, i32 addrspace(5)* %arrayidx2, align 4 %add3 = add nsw i32 %tmp1, 2 call void @external_void_func_void() store volatile i32 %add3, i32 addrspace(5)* %arrayidx2, align 4 store volatile i32 9, i32 addrspace(1)* null, align 4 ret void } ; GCN-LABEL: {{^}}call_void_func_byval_struct_func: ; GCN: s_mov_b32 s5, s32 ; GCN-DAG: s_add_u32 s32, s32, 0xc00{{$}} ; GCN-DAG: v_writelane_b32 ; GCN-DAG: v_mov_b32_e32 [[NINE:v[0-9]+]], 9 ; GCN-DAG: v_mov_b32_e32 [[THIRTEEN:v[0-9]+]], 13 ; GCN-DAG: buffer_store_dword [[NINE]], off, s[0:3], s5 offset:8 ; GCN-DAG: buffer_store_dword [[THIRTEEN]], off, s[0:3], s5 offset:24 ; GCN: buffer_load_dword [[LOAD4:v[0-9]+]], off, s[0:3], s5 offset:24 ; GCN: buffer_load_dword [[LOAD5:v[0-9]+]], off, s[0:3], s5 offset:28 ; GCN: buffer_load_dword [[LOAD6:v[0-9]+]], off, s[0:3], s5 offset:32 ; GCN: buffer_load_dword [[LOAD7:v[0-9]+]], off, s[0:3], s5 offset:36 ; GCN-DAG: buffer_store_dword [[LOAD4]], off, s[0:3], s32 offset:20 ; GCN-DAG: buffer_store_dword [[LOAD5]], off, s[0:3], s32 offset:24 ; GCN-DAG: buffer_store_dword [[LOAD6]], off, s[0:3], s32 offset:28 ; GCN-DAG: buffer_store_dword [[LOAD7]], off, s[0:3], s32 offset:32 ; GCN-DAG: buffer_load_dword [[LOAD0:v[0-9]+]], off, s[0:3], s5 offset:8 ; GCN-DAG: buffer_load_dword [[LOAD1:v[0-9]+]], off, s[0:3], s5 offset:12 ; GCN-DAG: buffer_load_dword [[LOAD2:v[0-9]+]], off, s[0:3], s5 offset:16 ; GCN-DAG: buffer_load_dword [[LOAD3:v[0-9]+]], off, s[0:3], s5 offset:20 ; GCN-NOT: s_add_u32 s32, s32, 0x800 ; GCN-DAG: buffer_store_dword [[LOAD0]], off, s[0:3], s32 offset:4{{$}} ; GCN-DAG: buffer_store_dword [[LOAD1]], off, s[0:3], s32 offset:8 ; GCN-DAG: buffer_store_dword [[LOAD2]], off, s[0:3], s32 offset:12 ; GCN-DAG: buffer_store_dword [[LOAD3]], off, s[0:3], s32 offset:16 ; GCN: s_swappc_b64 ; GCN-NOT: v_readlane_b32 s32 ; GCN: v_readlane_b32 ; GCN-NOT: v_readlane_b32 s32 ; GCN-NOT: s_sub_u32 s32, s32, 0x800 ; GCN: s_sub_u32 s32, s32, 0xc00{{$}} ; GCN-NEXT: s_waitcnt ; GCN-NEXT: s_setpc_b64 define void @call_void_func_byval_struct_func() #1 { entry: %arg0 = alloca %struct.ByValStruct, align 4, addrspace(5) %arg1 = alloca %struct.ByValStruct, align 4, addrspace(5) %tmp = bitcast %struct.ByValStruct addrspace(5)* %arg0 to i8 addrspace(5)* call void @llvm.lifetime.start.p5i8(i64 32, i8 addrspace(5)* %tmp) %tmp1 = bitcast %struct.ByValStruct addrspace(5)* %arg1 to i8 addrspace(5)* call void @llvm.lifetime.start.p5i8(i64 32, i8 addrspace(5)* %tmp1) %arrayidx = getelementptr inbounds %struct.ByValStruct, %struct.ByValStruct addrspace(5)* %arg0, i32 0, i32 0, i32 0 store volatile i32 9, i32 addrspace(5)* %arrayidx, align 4 %arrayidx2 = getelementptr inbounds %struct.ByValStruct, %struct.ByValStruct addrspace(5)* %arg1, i32 0, i32 0, i32 0 store volatile i32 13, i32 addrspace(5)* %arrayidx2, align 4 call void @void_func_byval_struct(%struct.ByValStruct addrspace(5)* byval nonnull align 4 %arg0, %struct.ByValStruct addrspace(5)* byval nonnull align 4 %arg1) call void @llvm.lifetime.end.p5i8(i64 32, i8 addrspace(5)* %tmp1) call void @llvm.lifetime.end.p5i8(i64 32, i8 addrspace(5)* %tmp) ret void } ; GCN-LABEL: {{^}}call_void_func_byval_struct_kernel: ; GCN: s_mov_b32 s33, s7 ; GCN: s_add_u32 s32, s33, 0xc00{{$}} ; GCN-DAG: v_mov_b32_e32 [[NINE:v[0-9]+]], 9 ; GCN-DAG: v_mov_b32_e32 [[THIRTEEN:v[0-9]+]], 13 ; GCN-DAG: buffer_store_dword [[NINE]], off, s[0:3], s33 offset:8 ; GCN: buffer_store_dword [[THIRTEEN]], off, s[0:3], s33 offset:24 ; GCN-NOT: s_add_u32 s32, s32, 0x800 ; GCN-DAG: buffer_load_dword [[LOAD0:v[0-9]+]], off, s[0:3], s33 offset:8 ; GCN-DAG: buffer_load_dword [[LOAD1:v[0-9]+]], off, s[0:3], s33 offset:12 ; GCN-DAG: buffer_load_dword [[LOAD2:v[0-9]+]], off, s[0:3], s33 offset:16 ; GCN-DAG: buffer_load_dword [[LOAD3:v[0-9]+]], off, s[0:3], s33 offset:20 ; GCN-DAG: buffer_store_dword [[LOAD0]], off, s[0:3], s32 offset:4{{$}} ; GCN-DAG: buffer_store_dword [[LOAD1]], off, s[0:3], s32 offset:8 ; GCN-DAG: buffer_store_dword [[LOAD2]], off, s[0:3], s32 offset:12 ; GCN-DAG: buffer_store_dword [[LOAD3]], off, s[0:3], s32 offset:16 ; GCN-DAG: buffer_load_dword [[LOAD4:v[0-9]+]], off, s[0:3], s33 offset:24 ; GCN-DAG: buffer_load_dword [[LOAD5:v[0-9]+]], off, s[0:3], s33 offset:28 ; GCN-DAG: buffer_load_dword [[LOAD6:v[0-9]+]], off, s[0:3], s33 offset:32 ; GCN-DAG: buffer_load_dword [[LOAD7:v[0-9]+]], off, s[0:3], s33 offset:36 ; GCN-DAG: buffer_store_dword [[LOAD4]], off, s[0:3], s32 offset:20 ; GCN-DAG: buffer_store_dword [[LOAD5]], off, s[0:3], s32 offset:24 ; GCN-DAG: buffer_store_dword [[LOAD6]], off, s[0:3], s32 offset:28 ; GCN-DAG: buffer_store_dword [[LOAD7]], off, s[0:3], s32 offset:32 ; GCN: s_swappc_b64 ; GCN-NOT: s_sub_u32 s32 ; GCN: s_endpgm define amdgpu_kernel void @call_void_func_byval_struct_kernel() #1 { entry: %arg0 = alloca %struct.ByValStruct, align 4, addrspace(5) %arg1 = alloca %struct.ByValStruct, align 4, addrspace(5) %tmp = bitcast %struct.ByValStruct addrspace(5)* %arg0 to i8 addrspace(5)* call void @llvm.lifetime.start.p5i8(i64 32, i8 addrspace(5)* %tmp) %tmp1 = bitcast %struct.ByValStruct addrspace(5)* %arg1 to i8 addrspace(5)* call void @llvm.lifetime.start.p5i8(i64 32, i8 addrspace(5)* %tmp1) %arrayidx = getelementptr inbounds %struct.ByValStruct, %struct.ByValStruct addrspace(5)* %arg0, i32 0, i32 0, i32 0 store volatile i32 9, i32 addrspace(5)* %arrayidx, align 4 %arrayidx2 = getelementptr inbounds %struct.ByValStruct, %struct.ByValStruct addrspace(5)* %arg1, i32 0, i32 0, i32 0 store volatile i32 13, i32 addrspace(5)* %arrayidx2, align 4 call void @void_func_byval_struct(%struct.ByValStruct addrspace(5)* byval nonnull align 4 %arg0, %struct.ByValStruct addrspace(5)* byval nonnull align 4 %arg1) call void @llvm.lifetime.end.p5i8(i64 32, i8 addrspace(5)* %tmp1) call void @llvm.lifetime.end.p5i8(i64 32, i8 addrspace(5)* %tmp) ret void } ; GCN-LABEL: {{^}}void_func_byval_struct_align8: ; GCN: s_mov_b32 s5, s32 ; GCN: buffer_load_dword [[LOAD0:v[0-9]+]], off, s[0:3], s5 offset:8{{$}} ; GCN-NOT: s32 ; GCN: buffer_store_dword [[LOAD0]], off, s[0:3], s5 offset:8{{$}} ; GCN-NOT: s32 ; GCN: buffer_load_dword [[LOAD1:v[0-9]+]], off, s[0:3], s5 offset:24{{$}} ; GCN-NOT: s32 ; GCN: buffer_store_dword [[LOAD1]], off, s[0:3], s5 offset:24{{$}} ; GCN-NOT: s32 define void @void_func_byval_struct_align8(%struct.ByValStruct addrspace(5)* byval noalias nocapture align 8 %arg0, %struct.ByValStruct addrspace(5)* byval noalias nocapture align 8 %arg1) #1 { entry: %arrayidx = getelementptr inbounds %struct.ByValStruct, %struct.ByValStruct addrspace(5)* %arg0, i32 0, i32 0, i32 0 %tmp = load volatile i32, i32 addrspace(5)* %arrayidx, align 8 %add = add nsw i32 %tmp, 1 store volatile i32 %add, i32 addrspace(5)* %arrayidx, align 8 %arrayidx2 = getelementptr inbounds %struct.ByValStruct, %struct.ByValStruct addrspace(5)* %arg1, i32 0, i32 0, i32 0 %tmp1 = load volatile i32, i32 addrspace(5)* %arrayidx2, align 8 %add3 = add nsw i32 %tmp1, 2 store volatile i32 %add3, i32 addrspace(5)* %arrayidx2, align 8 store volatile i32 9, i32 addrspace(1)* null, align 4 ret void } ; Make sure the byval alignment is respected in the call frame setup ; GCN-LABEL: {{^}}call_void_func_byval_struct_align8_kernel: ; GCN: s_mov_b32 s33, s7 ; GCN: s_add_u32 s32, s33, 0xc00{{$}} ; GCN-DAG: v_mov_b32_e32 [[NINE:v[0-9]+]], 9 ; GCN-DAG: v_mov_b32_e32 [[THIRTEEN:v[0-9]+]], 13 ; GCN-DAG: buffer_store_dword [[NINE]], off, s[0:3], s33 offset:8 ; GCN: buffer_store_dword [[THIRTEEN]], off, s[0:3], s33 offset:24 ; GCN-NOT: s_add_u32 s32, s32, 0x800 ; GCN-DAG: buffer_load_dword [[LOAD0:v[0-9]+]], off, s[0:3], s33 offset:8 ; GCN-DAG: buffer_load_dword [[LOAD1:v[0-9]+]], off, s[0:3], s33 offset:12 ; GCN-DAG: buffer_load_dword [[LOAD2:v[0-9]+]], off, s[0:3], s33 offset:16 ; GCN-DAG: buffer_load_dword [[LOAD3:v[0-9]+]], off, s[0:3], s33 offset:20 ; GCN-DAG: buffer_store_dword [[LOAD0]], off, s[0:3], s32 offset:8{{$}} ; GCN-DAG: buffer_store_dword [[LOAD1]], off, s[0:3], s32 offset:12 ; GCN-DAG: buffer_store_dword [[LOAD2]], off, s[0:3], s32 offset:16 ; GCN-DAG: buffer_store_dword [[LOAD3]], off, s[0:3], s32 offset:20 ; GCN-DAG: buffer_load_dword [[LOAD4:v[0-9]+]], off, s[0:3], s33 offset:24 ; GCN-DAG: buffer_load_dword [[LOAD5:v[0-9]+]], off, s[0:3], s33 offset:28 ; GCN-DAG: buffer_load_dword [[LOAD6:v[0-9]+]], off, s[0:3], s33 offset:32 ; GCN-DAG: buffer_load_dword [[LOAD7:v[0-9]+]], off, s[0:3], s33 offset:36 ; GCN-DAG: buffer_store_dword [[LOAD4]], off, s[0:3], s32 offset:24 ; GCN-DAG: buffer_store_dword [[LOAD5]], off, s[0:3], s32 offset:28 ; GCN-DAG: buffer_store_dword [[LOAD6]], off, s[0:3], s32 offset:32 ; GCN-DAG: buffer_store_dword [[LOAD7]], off, s[0:3], s32 offset:36 ; GCN: s_swappc_b64 ; GCN-NOT: s_sub_u32 s32 ; GCN: s_endpgm define amdgpu_kernel void @call_void_func_byval_struct_align8_kernel() #1 { entry: %arg0 = alloca %struct.ByValStruct, align 8, addrspace(5) %arg1 = alloca %struct.ByValStruct, align 8, addrspace(5) %tmp = bitcast %struct.ByValStruct addrspace(5)* %arg0 to i8 addrspace(5)* call void @llvm.lifetime.start.p5i8(i64 32, i8 addrspace(5)* %tmp) %tmp1 = bitcast %struct.ByValStruct addrspace(5)* %arg1 to i8 addrspace(5)* call void @llvm.lifetime.start.p5i8(i64 32, i8 addrspace(5)* %tmp1) %arrayidx = getelementptr inbounds %struct.ByValStruct, %struct.ByValStruct addrspace(5)* %arg0, i32 0, i32 0, i32 0 store volatile i32 9, i32 addrspace(5)* %arrayidx, align 8 %arrayidx2 = getelementptr inbounds %struct.ByValStruct, %struct.ByValStruct addrspace(5)* %arg1, i32 0, i32 0, i32 0 store volatile i32 13, i32 addrspace(5)* %arrayidx2, align 8 call void @void_func_byval_struct_align8(%struct.ByValStruct addrspace(5)* byval nonnull align 8 %arg0, %struct.ByValStruct addrspace(5)* byval nonnull align 8 %arg1) call void @llvm.lifetime.end.p5i8(i64 32, i8 addrspace(5)* %tmp1) call void @llvm.lifetime.end.p5i8(i64 32, i8 addrspace(5)* %tmp) ret void } ; GCN-LABEL: {{^}}call_void_func_byval_struct_align8_func: ; GCN: s_mov_b32 s5, s32 ; GCN-DAG: s_add_u32 s32, s32, 0xc00{{$}} ; GCN-DAG: v_writelane_b32 ; GCN-DAG: v_mov_b32_e32 [[NINE:v[0-9]+]], 9 ; GCN-DAG: v_mov_b32_e32 [[THIRTEEN:v[0-9]+]], 13 ; GCN-DAG: buffer_store_dword [[NINE]], off, s[0:3], s5 offset:8 ; GCN-DAG: buffer_store_dword [[THIRTEEN]], off, s[0:3], s5 offset:24 ; GCN: buffer_load_dword [[LOAD4:v[0-9]+]], off, s[0:3], s5 offset:24 ; GCN: buffer_load_dword [[LOAD5:v[0-9]+]], off, s[0:3], s5 offset:28 ; GCN: buffer_load_dword [[LOAD6:v[0-9]+]], off, s[0:3], s5 offset:32 ; GCN: buffer_load_dword [[LOAD7:v[0-9]+]], off, s[0:3], s5 offset:36 ; GCN-DAG: buffer_store_dword [[LOAD4]], off, s[0:3], s32 offset:24 ; GCN-DAG: buffer_store_dword [[LOAD5]], off, s[0:3], s32 offset:28 ; GCN-DAG: buffer_store_dword [[LOAD6]], off, s[0:3], s32 offset:32 ; GCN-DAG: buffer_store_dword [[LOAD7]], off, s[0:3], s32 offset:36 ; GCN-DAG: buffer_load_dword [[LOAD0:v[0-9]+]], off, s[0:3], s5 offset:8 ; GCN-DAG: buffer_load_dword [[LOAD1:v[0-9]+]], off, s[0:3], s5 offset:12 ; GCN-DAG: buffer_load_dword [[LOAD2:v[0-9]+]], off, s[0:3], s5 offset:16 ; GCN-DAG: buffer_load_dword [[LOAD3:v[0-9]+]], off, s[0:3], s5 offset:20 ; GCN-NOT: s_add_u32 s32, s32, 0x800 ; GCN-DAG: buffer_store_dword [[LOAD0]], off, s[0:3], s32 offset:8{{$}} ; GCN-DAG: buffer_store_dword [[LOAD1]], off, s[0:3], s32 offset:12 ; GCN-DAG: buffer_store_dword [[LOAD2]], off, s[0:3], s32 offset:16 ; GCN-DAG: buffer_store_dword [[LOAD3]], off, s[0:3], s32 offset:20 ; GCN: s_swappc_b64 ; GCN-NOT: v_readlane_b32 s32 ; GCN: v_readlane_b32 ; GCN-NOT: v_readlane_b32 s32 ; GCN-NOT: s_sub_u32 s32, s32, 0x800 ; GCN: s_sub_u32 s32, s32, 0xc00{{$}} ; GCN-NEXT: s_waitcnt ; GCN-NEXT: s_setpc_b64 define void @call_void_func_byval_struct_align8_func() #0 { entry: %arg0 = alloca %struct.ByValStruct, align 8, addrspace(5) %arg1 = alloca %struct.ByValStruct, align 8, addrspace(5) %tmp = bitcast %struct.ByValStruct addrspace(5)* %arg0 to i8 addrspace(5)* call void @llvm.lifetime.start.p5i8(i64 32, i8 addrspace(5)* %tmp) %tmp1 = bitcast %struct.ByValStruct addrspace(5)* %arg1 to i8 addrspace(5)* call void @llvm.lifetime.start.p5i8(i64 32, i8 addrspace(5)* %tmp1) %arrayidx = getelementptr inbounds %struct.ByValStruct, %struct.ByValStruct addrspace(5)* %arg0, i32 0, i32 0, i32 0 store volatile i32 9, i32 addrspace(5)* %arrayidx, align 8 %arrayidx2 = getelementptr inbounds %struct.ByValStruct, %struct.ByValStruct addrspace(5)* %arg1, i32 0, i32 0, i32 0 store volatile i32 13, i32 addrspace(5)* %arrayidx2, align 8 call void @void_func_byval_struct_align8(%struct.ByValStruct addrspace(5)* byval nonnull align 8 %arg0, %struct.ByValStruct addrspace(5)* byval nonnull align 8 %arg1) call void @llvm.lifetime.end.p5i8(i64 32, i8 addrspace(5)* %tmp1) call void @llvm.lifetime.end.p5i8(i64 32, i8 addrspace(5)* %tmp) ret void } ; GCN-LABEL: {{^}}call_void_func_byval_struct_kernel_no_frame_pointer_elim: define amdgpu_kernel void @call_void_func_byval_struct_kernel_no_frame_pointer_elim() #2 { entry: %arg0 = alloca %struct.ByValStruct, align 4, addrspace(5) %arg1 = alloca %struct.ByValStruct, align 4, addrspace(5) %tmp = bitcast %struct.ByValStruct addrspace(5)* %arg0 to i8 addrspace(5)* call void @llvm.lifetime.start.p5i8(i64 32, i8 addrspace(5)* %tmp) %tmp1 = bitcast %struct.ByValStruct addrspace(5)* %arg1 to i8 addrspace(5)* call void @llvm.lifetime.start.p5i8(i64 32, i8 addrspace(5)* %tmp1) %arrayidx = getelementptr inbounds %struct.ByValStruct, %struct.ByValStruct addrspace(5)* %arg0, i32 0, i32 0, i32 0 store volatile i32 9, i32 addrspace(5)* %arrayidx, align 4 %arrayidx2 = getelementptr inbounds %struct.ByValStruct, %struct.ByValStruct addrspace(5)* %arg1, i32 0, i32 0, i32 0 store volatile i32 13, i32 addrspace(5)* %arrayidx2, align 4 call void @void_func_byval_struct(%struct.ByValStruct addrspace(5)* byval nonnull align 4 %arg0, %struct.ByValStruct addrspace(5)* byval nonnull align 4 %arg1) call void @llvm.lifetime.end.p5i8(i64 32, i8 addrspace(5)* %tmp1) call void @llvm.lifetime.end.p5i8(i64 32, i8 addrspace(5)* %tmp) ret void } declare void @external_void_func_void() #0 declare void @llvm.lifetime.start.p5i8(i64, i8 addrspace(5)* nocapture) #3 declare void @llvm.lifetime.end.p5i8(i64, i8 addrspace(5)* nocapture) #3 attributes #0 = { nounwind } attributes #1 = { noinline norecurse nounwind } attributes #2 = { nounwind norecurse "no-frame-pointer-elim"="true" }