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llvm-project/llvm/test/CodeGen/AMDGPU/fast-unaligned-load-store.private.ll
Austin Kerbow 2291bd137d [AMDGPU] Update subtarget features for new target ID support 
Support for XNACK and SRAMECC is not static on some GPUs. We must be able
to differentiate between different scenarios for these dynamic subtarget
features.

The possible settings are:

- Unsupported: The GPU has no support for XNACK/SRAMECC.
- Any: Preference is unspecified. Use conservative settings that can run anywhere.
- Off: Request support for XNACK/SRAMECC Off
- On: Request support for XNACK/SRAMECC On

GCNSubtarget will track the four options based on the following criteria. If
the subtarget does not support XNACK/SRAMECC we say the setting is
"Unsupported". If no subtarget features for XNACK/SRAMECC are requested we
must support "Any" mode. If the subtarget features XNACK/SRAMECC exist in the
feature string when initializing the subtarget, the settings are "On/Off".

The defaults are updated to be conservatively correct, meaning if no setting
for XNACK or SRAMECC is explicitly requested, defaults will be used which
generate code that can be run anywhere. This corresponds to the "Any" setting.

Differential Revision: https://reviews.llvm.org/D85882
2021-01-26 11:25:51 -08:00

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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=hawaii -mattr=-unaligned-scratch-access < %s | FileCheck --check-prefix=GFX7-ALIGNED %s
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=hawaii -mattr=+unaligned-scratch-access < %s | FileCheck --check-prefix=GFX7-UNALIGNED %s
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -mattr=+unaligned-scratch-access < %s | FileCheck --check-prefix=GFX9 %s
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -mattr=+unaligned-scratch-access -amdgpu-enable-flat-scratch < %s | FileCheck --check-prefix=GFX9-FLASTSCR %s
; Should not merge this to a dword load
define i32 @private_load_2xi16_align2(i16 addrspace(5)* %p) #0 {
; GFX7-ALIGNED-LABEL: private_load_2xi16_align2:
; GFX7-ALIGNED: ; %bb.0:
; GFX7-ALIGNED-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX7-ALIGNED-NEXT: v_add_i32_e32 v1, vcc, 2, v0
; GFX7-ALIGNED-NEXT: buffer_load_ushort v0, v0, s[0:3], 0 offen
; GFX7-ALIGNED-NEXT: buffer_load_ushort v1, v1, s[0:3], 0 offen
; GFX7-ALIGNED-NEXT: s_waitcnt vmcnt(0)
; GFX7-ALIGNED-NEXT: v_lshlrev_b32_e32 v1, 16, v1
; GFX7-ALIGNED-NEXT: v_or_b32_e32 v0, v0, v1
; GFX7-ALIGNED-NEXT: s_setpc_b64 s[30:31]
;
; GFX7-UNALIGNED-LABEL: private_load_2xi16_align2:
; GFX7-UNALIGNED: ; %bb.0:
; GFX7-UNALIGNED-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX7-UNALIGNED-NEXT: v_add_i32_e32 v1, vcc, 2, v0
; GFX7-UNALIGNED-NEXT: buffer_load_ushort v0, v0, s[0:3], 0 offen
; GFX7-UNALIGNED-NEXT: buffer_load_ushort v1, v1, s[0:3], 0 offen
; GFX7-UNALIGNED-NEXT: s_waitcnt vmcnt(0)
; GFX7-UNALIGNED-NEXT: v_lshlrev_b32_e32 v1, 16, v1
; GFX7-UNALIGNED-NEXT: v_or_b32_e32 v0, v0, v1
; GFX7-UNALIGNED-NEXT: s_setpc_b64 s[30:31]
;
; GFX9-LABEL: private_load_2xi16_align2:
; GFX9: ; %bb.0:
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT: buffer_load_ushort v1, v0, s[0:3], 0 offen
; GFX9-NEXT: buffer_load_ushort v2, v0, s[0:3], 0 offen offset:2
; GFX9-NEXT: s_waitcnt vmcnt(0)
; GFX9-NEXT: v_lshl_or_b32 v0, v2, 16, v1
; GFX9-NEXT: s_setpc_b64 s[30:31]
;
; GFX9-FLASTSCR-LABEL: private_load_2xi16_align2:
; GFX9-FLASTSCR: ; %bb.0:
; GFX9-FLASTSCR-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-FLASTSCR-NEXT: scratch_load_ushort v1, v0, off
; GFX9-FLASTSCR-NEXT: scratch_load_ushort v2, v0, off offset:2
; GFX9-FLASTSCR-NEXT: s_waitcnt vmcnt(0)
; GFX9-FLASTSCR-NEXT: v_lshl_or_b32 v0, v2, 16, v1
; GFX9-FLASTSCR-NEXT: s_setpc_b64 s[30:31]
%gep.p = getelementptr i16, i16 addrspace(5)* %p, i64 1
%p.0 = load i16, i16 addrspace(5)* %p, align 2
%p.1 = load i16, i16 addrspace(5)* %gep.p, align 2
%zext.0 = zext i16 %p.0 to i32
%zext.1 = zext i16 %p.1 to i32
%shl.1 = shl i32 %zext.1, 16
%or = or i32 %zext.0, %shl.1
ret i32 %or
}
; Should not merge this to a dword store
define void @private_store_2xi16_align2(i16 addrspace(5)* %p, i16 addrspace(5)* %r) #0 {
; GFX7-ALIGNED-LABEL: private_store_2xi16_align2:
; GFX7-ALIGNED: ; %bb.0:
; GFX7-ALIGNED-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX7-ALIGNED-NEXT: v_mov_b32_e32 v3, 1
; GFX7-ALIGNED-NEXT: v_mov_b32_e32 v0, 2
; GFX7-ALIGNED-NEXT: v_add_i32_e32 v2, vcc, 2, v1
; GFX7-ALIGNED-NEXT: buffer_store_short v3, v1, s[0:3], 0 offen
; GFX7-ALIGNED-NEXT: buffer_store_short v0, v2, s[0:3], 0 offen
; GFX7-ALIGNED-NEXT: s_waitcnt vmcnt(0)
; GFX7-ALIGNED-NEXT: s_setpc_b64 s[30:31]
;
; GFX7-UNALIGNED-LABEL: private_store_2xi16_align2:
; GFX7-UNALIGNED: ; %bb.0:
; GFX7-UNALIGNED-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX7-UNALIGNED-NEXT: v_mov_b32_e32 v3, 1
; GFX7-UNALIGNED-NEXT: v_mov_b32_e32 v0, 2
; GFX7-UNALIGNED-NEXT: v_add_i32_e32 v2, vcc, 2, v1
; GFX7-UNALIGNED-NEXT: buffer_store_short v3, v1, s[0:3], 0 offen
; GFX7-UNALIGNED-NEXT: buffer_store_short v0, v2, s[0:3], 0 offen
; GFX7-UNALIGNED-NEXT: s_waitcnt vmcnt(0)
; GFX7-UNALIGNED-NEXT: s_setpc_b64 s[30:31]
;
; GFX9-LABEL: private_store_2xi16_align2:
; GFX9: ; %bb.0:
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT: v_mov_b32_e32 v0, 1
; GFX9-NEXT: buffer_store_short v0, v1, s[0:3], 0 offen
; GFX9-NEXT: v_mov_b32_e32 v0, 2
; GFX9-NEXT: buffer_store_short v0, v1, s[0:3], 0 offen offset:2
; GFX9-NEXT: s_waitcnt vmcnt(0)
; GFX9-NEXT: s_setpc_b64 s[30:31]
;
; GFX9-FLASTSCR-LABEL: private_store_2xi16_align2:
; GFX9-FLASTSCR: ; %bb.0:
; GFX9-FLASTSCR-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-FLASTSCR-NEXT: v_mov_b32_e32 v0, 1
; GFX9-FLASTSCR-NEXT: scratch_store_short v1, v0, off
; GFX9-FLASTSCR-NEXT: v_mov_b32_e32 v0, 2
; GFX9-FLASTSCR-NEXT: scratch_store_short v1, v0, off offset:2
; GFX9-FLASTSCR-NEXT: s_waitcnt vmcnt(0)
; GFX9-FLASTSCR-NEXT: s_setpc_b64 s[30:31]
%gep.r = getelementptr i16, i16 addrspace(5)* %r, i64 1
store i16 1, i16 addrspace(5)* %r, align 2
store i16 2, i16 addrspace(5)* %gep.r, align 2
ret void
}
; Should produce align 1 dword when legal
define i32 @private_load_2xi16_align1(i16 addrspace(5)* %p) #0 {
; GFX7-ALIGNED-LABEL: private_load_2xi16_align1:
; GFX7-ALIGNED: ; %bb.0:
; GFX7-ALIGNED-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX7-ALIGNED-NEXT: v_add_i32_e32 v1, vcc, 2, v0
; GFX7-ALIGNED-NEXT: v_add_i32_e32 v2, vcc, 1, v0
; GFX7-ALIGNED-NEXT: buffer_load_ubyte v3, v0, s[0:3], 0 offen
; GFX7-ALIGNED-NEXT: v_add_i32_e32 v0, vcc, 3, v0
; GFX7-ALIGNED-NEXT: buffer_load_ubyte v0, v0, s[0:3], 0 offen
; GFX7-ALIGNED-NEXT: buffer_load_ubyte v2, v2, s[0:3], 0 offen
; GFX7-ALIGNED-NEXT: buffer_load_ubyte v1, v1, s[0:3], 0 offen
; GFX7-ALIGNED-NEXT: s_waitcnt vmcnt(2)
; GFX7-ALIGNED-NEXT: v_lshlrev_b32_e32 v0, 8, v0
; GFX7-ALIGNED-NEXT: s_waitcnt vmcnt(1)
; GFX7-ALIGNED-NEXT: v_lshlrev_b32_e32 v2, 8, v2
; GFX7-ALIGNED-NEXT: s_waitcnt vmcnt(0)
; GFX7-ALIGNED-NEXT: v_or_b32_e32 v0, v0, v1
; GFX7-ALIGNED-NEXT: v_or_b32_e32 v2, v2, v3
; GFX7-ALIGNED-NEXT: v_lshlrev_b32_e32 v0, 16, v0
; GFX7-ALIGNED-NEXT: v_or_b32_e32 v0, v2, v0
; GFX7-ALIGNED-NEXT: s_setpc_b64 s[30:31]
;
; GFX7-UNALIGNED-LABEL: private_load_2xi16_align1:
; GFX7-UNALIGNED: ; %bb.0:
; GFX7-UNALIGNED-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX7-UNALIGNED-NEXT: buffer_load_dword v0, v0, s[0:3], 0 offen
; GFX7-UNALIGNED-NEXT: s_waitcnt vmcnt(0)
; GFX7-UNALIGNED-NEXT: s_setpc_b64 s[30:31]
;
; GFX9-LABEL: private_load_2xi16_align1:
; GFX9: ; %bb.0:
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT: buffer_load_dword v0, v0, s[0:3], 0 offen
; GFX9-NEXT: v_mov_b32_e32 v1, 0xffff
; GFX9-NEXT: s_mov_b32 s4, 0xffff
; GFX9-NEXT: s_waitcnt vmcnt(0)
; GFX9-NEXT: v_bfi_b32 v1, v1, 0, v0
; GFX9-NEXT: v_and_or_b32 v0, v0, s4, v1
; GFX9-NEXT: s_setpc_b64 s[30:31]
;
; GFX9-FLASTSCR-LABEL: private_load_2xi16_align1:
; GFX9-FLASTSCR: ; %bb.0:
; GFX9-FLASTSCR-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-FLASTSCR-NEXT: scratch_load_dword v0, v0, off
; GFX9-FLASTSCR-NEXT: v_mov_b32_e32 v1, 0xffff
; GFX9-FLASTSCR-NEXT: s_mov_b32 s0, 0xffff
; GFX9-FLASTSCR-NEXT: s_waitcnt vmcnt(0)
; GFX9-FLASTSCR-NEXT: v_bfi_b32 v1, v1, 0, v0
; GFX9-FLASTSCR-NEXT: v_and_or_b32 v0, v0, s0, v1
; GFX9-FLASTSCR-NEXT: s_setpc_b64 s[30:31]
%gep.p = getelementptr i16, i16 addrspace(5)* %p, i64 1
%p.0 = load i16, i16 addrspace(5)* %p, align 1
%p.1 = load i16, i16 addrspace(5)* %gep.p, align 1
%zext.0 = zext i16 %p.0 to i32
%zext.1 = zext i16 %p.1 to i32
%shl.1 = shl i32 %zext.1, 16
%or = or i32 %zext.0, %shl.1
ret i32 %or
}
; Should produce align 1 dword when legal
define void @private_store_2xi16_align1(i16 addrspace(5)* %p, i16 addrspace(5)* %r) #0 {
; GFX7-ALIGNED-LABEL: private_store_2xi16_align1:
; GFX7-ALIGNED: ; %bb.0:
; GFX7-ALIGNED-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX7-ALIGNED-NEXT: v_mov_b32_e32 v3, 1
; GFX7-ALIGNED-NEXT: buffer_store_byte v3, v1, s[0:3], 0 offen
; GFX7-ALIGNED-NEXT: v_add_i32_e32 v2, vcc, 2, v1
; GFX7-ALIGNED-NEXT: v_add_i32_e32 v3, vcc, 1, v1
; GFX7-ALIGNED-NEXT: v_mov_b32_e32 v4, 0
; GFX7-ALIGNED-NEXT: v_add_i32_e32 v1, vcc, 3, v1
; GFX7-ALIGNED-NEXT: v_mov_b32_e32 v0, 2
; GFX7-ALIGNED-NEXT: buffer_store_byte v4, v3, s[0:3], 0 offen
; GFX7-ALIGNED-NEXT: buffer_store_byte v4, v1, s[0:3], 0 offen
; GFX7-ALIGNED-NEXT: buffer_store_byte v0, v2, s[0:3], 0 offen
; GFX7-ALIGNED-NEXT: s_waitcnt vmcnt(0)
; GFX7-ALIGNED-NEXT: s_setpc_b64 s[30:31]
;
; GFX7-UNALIGNED-LABEL: private_store_2xi16_align1:
; GFX7-UNALIGNED: ; %bb.0:
; GFX7-UNALIGNED-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX7-UNALIGNED-NEXT: v_mov_b32_e32 v0, 0x20001
; GFX7-UNALIGNED-NEXT: buffer_store_dword v0, v1, s[0:3], 0 offen
; GFX7-UNALIGNED-NEXT: s_waitcnt vmcnt(0)
; GFX7-UNALIGNED-NEXT: s_setpc_b64 s[30:31]
;
; GFX9-LABEL: private_store_2xi16_align1:
; GFX9: ; %bb.0:
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT: v_mov_b32_e32 v0, 0x20001
; GFX9-NEXT: buffer_store_dword v0, v1, s[0:3], 0 offen
; GFX9-NEXT: s_waitcnt vmcnt(0)
; GFX9-NEXT: s_setpc_b64 s[30:31]
;
; GFX9-FLASTSCR-LABEL: private_store_2xi16_align1:
; GFX9-FLASTSCR: ; %bb.0:
; GFX9-FLASTSCR-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-FLASTSCR-NEXT: v_mov_b32_e32 v0, 0x20001
; GFX9-FLASTSCR-NEXT: scratch_store_dword v1, v0, off
; GFX9-FLASTSCR-NEXT: s_waitcnt vmcnt(0)
; GFX9-FLASTSCR-NEXT: s_setpc_b64 s[30:31]
%gep.r = getelementptr i16, i16 addrspace(5)* %r, i64 1
store i16 1, i16 addrspace(5)* %r, align 1
store i16 2, i16 addrspace(5)* %gep.r, align 1
ret void
}
; Should merge this to a dword load
define i32 @private_load_2xi16_align4(i16 addrspace(5)* %p) #0 {
; GFX7-LABEL: load_2xi16_align4:
; GFX7: ; %bb.0:
; GFX7-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX7-NEXT: flat_load_dword v0, v[0:1]
; GFX7-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
; GFX7-NEXT: s_setpc_b64 s[30:31]
;
; GFX7-ALIGNED-LABEL: private_load_2xi16_align4:
; GFX7-ALIGNED: ; %bb.0:
; GFX7-ALIGNED-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX7-ALIGNED-NEXT: buffer_load_dword v0, v0, s[0:3], 0 offen
; GFX7-ALIGNED-NEXT: s_waitcnt vmcnt(0)
; GFX7-ALIGNED-NEXT: s_setpc_b64 s[30:31]
;
; GFX7-UNALIGNED-LABEL: private_load_2xi16_align4:
; GFX7-UNALIGNED: ; %bb.0:
; GFX7-UNALIGNED-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX7-UNALIGNED-NEXT: buffer_load_dword v0, v0, s[0:3], 0 offen
; GFX7-UNALIGNED-NEXT: s_waitcnt vmcnt(0)
; GFX7-UNALIGNED-NEXT: s_setpc_b64 s[30:31]
;
; GFX9-LABEL: private_load_2xi16_align4:
; GFX9: ; %bb.0:
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT: buffer_load_dword v0, v0, s[0:3], 0 offen
; GFX9-NEXT: v_mov_b32_e32 v1, 0xffff
; GFX9-NEXT: s_mov_b32 s4, 0xffff
; GFX9-NEXT: s_waitcnt vmcnt(0)
; GFX9-NEXT: v_bfi_b32 v1, v1, 0, v0
; GFX9-NEXT: v_and_or_b32 v0, v0, s4, v1
; GFX9-NEXT: s_setpc_b64 s[30:31]
;
; GFX9-FLASTSCR-LABEL: private_load_2xi16_align4:
; GFX9-FLASTSCR: ; %bb.0:
; GFX9-FLASTSCR-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-FLASTSCR-NEXT: scratch_load_dword v0, v0, off
; GFX9-FLASTSCR-NEXT: v_mov_b32_e32 v1, 0xffff
; GFX9-FLASTSCR-NEXT: s_mov_b32 s0, 0xffff
; GFX9-FLASTSCR-NEXT: s_waitcnt vmcnt(0)
; GFX9-FLASTSCR-NEXT: v_bfi_b32 v1, v1, 0, v0
; GFX9-FLASTSCR-NEXT: v_and_or_b32 v0, v0, s0, v1
; GFX9-FLASTSCR-NEXT: s_setpc_b64 s[30:31]
%gep.p = getelementptr i16, i16 addrspace(5)* %p, i64 1
%p.0 = load i16, i16 addrspace(5)* %p, align 4
%p.1 = load i16, i16 addrspace(5)* %gep.p, align 2
%zext.0 = zext i16 %p.0 to i32
%zext.1 = zext i16 %p.1 to i32
%shl.1 = shl i32 %zext.1, 16
%or = or i32 %zext.0, %shl.1
ret i32 %or
}
; Should merge this to a dword store
define void @private_store_2xi16_align4(i16 addrspace(5)* %p, i16 addrspace(5)* %r) #0 {
; GFX7-LABEL: private_store_2xi16_align4:
; GFX7: ; %bb.0:
; GFX7-NEXT: s_load_dwordx2 s[0:1], s[4:5], 0x2
; GFX7-NEXT: v_mov_b32_e32 v2, 0x20001
; GFX7-NEXT: s_waitcnt lgkmcnt(0)
; GFX7-NEXT: v_mov_b32_e32 v0, s0
; GFX7-NEXT: v_mov_b32_e32 v1, s1
; GFX7-NEXT: flat_store_dword v[0:1], v2
; GFX7-NEXT: s_endpgm
;
; GFX7-ALIGNED-LABEL: private_store_2xi16_align4:
; GFX7-ALIGNED: ; %bb.0:
; GFX7-ALIGNED-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX7-ALIGNED-NEXT: v_mov_b32_e32 v0, 0x20001
; GFX7-ALIGNED-NEXT: buffer_store_dword v0, v1, s[0:3], 0 offen
; GFX7-ALIGNED-NEXT: s_waitcnt vmcnt(0)
; GFX7-ALIGNED-NEXT: s_setpc_b64 s[30:31]
;
; GFX7-UNALIGNED-LABEL: private_store_2xi16_align4:
; GFX7-UNALIGNED: ; %bb.0:
; GFX7-UNALIGNED-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX7-UNALIGNED-NEXT: v_mov_b32_e32 v0, 0x20001
; GFX7-UNALIGNED-NEXT: buffer_store_dword v0, v1, s[0:3], 0 offen
; GFX7-UNALIGNED-NEXT: s_waitcnt vmcnt(0)
; GFX7-UNALIGNED-NEXT: s_setpc_b64 s[30:31]
;
; GFX9-LABEL: private_store_2xi16_align4:
; GFX9: ; %bb.0:
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT: v_mov_b32_e32 v0, 0x20001
; GFX9-NEXT: buffer_store_dword v0, v1, s[0:3], 0 offen
; GFX9-NEXT: s_waitcnt vmcnt(0)
; GFX9-NEXT: s_setpc_b64 s[30:31]
;
; GFX9-FLASTSCR-LABEL: private_store_2xi16_align4:
; GFX9-FLASTSCR: ; %bb.0:
; GFX9-FLASTSCR-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-FLASTSCR-NEXT: v_mov_b32_e32 v0, 0x20001
; GFX9-FLASTSCR-NEXT: scratch_store_dword v1, v0, off
; GFX9-FLASTSCR-NEXT: s_waitcnt vmcnt(0)
; GFX9-FLASTSCR-NEXT: s_setpc_b64 s[30:31]
%gep.r = getelementptr i16, i16 addrspace(5)* %r, i64 1
store i16 1, i16 addrspace(5)* %r, align 4
store i16 2, i16 addrspace(5)* %gep.r, align 2
ret void
}
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