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clang-p2996/llvm/test/CodeGen/AMDGPU/immv216.ll
Nicolai Hähnle 49b492048a AMDGPU: Fix packed 16-bit inline constants (#76522) 
Consistently treat packed 16-bit operands as 32-bit values, because
that's really what they are. The attempt to treat them differently was
ultimately incorrect and lead to miscompiles, e.g. when using non-splat
constants such as (1, 0) as operands.

Recognize 32-bit float constants for i/u16 instructions. This is a bit
odd conceptually, but it matches HW behavior and SP3.

Remove isFoldableLiteralV216; there was too much magic in the dependency
between it and its use in SIFoldOperands. Instead, we now simply rely on
checking whether a constant is an inline constant, and trying a bunch of
permutations of the low and high halves. This is more obviously correct
and leads to some new cases where inline constants are used as shown by
tests.

Move the logic for switching packed add vs. sub into SIFoldOperands.
This has two benefits: all logic that optimizes for inline constants in
packed math is now in one place; and it applies to both SelectionDAG and
GISel paths.

Disable the use of opsel with v_dot* instructions on gfx11. They are
documented to ignore opsel on src0 and src1. It may be interesting to
re-enable to use of opsel on src2 as a future optimization.

A similar "proper" fix of what inline constants mean could potentially
be applied to unpacked 16-bit ops. However, it's less clear what the
benefit would be, and there are surely places where we'd have to
carefully audit whether values are properly sign- or zero-extended. It
is best to keep such a change separate.

Fixes: Corruption in FSR 2.0 (latent bug exposed by an LLPC change)
2024-01-04 00:10:15 +01:00

669 lines
28 KiB
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; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn--amdhsa -mcpu=gfx1100 -mattr=-flat-for-global -verify-machineinstrs -show-mc-encoding < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GFX10 %s
; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn--amdhsa -mcpu=gfx1010 -mattr=-flat-for-global,-xnack -verify-machineinstrs -show-mc-encoding < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GFX10 %s
; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn--amdhsa -mcpu=gfx900 -mattr=-flat-for-global,-xnack -verify-machineinstrs -show-mc-encoding < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GFX9 %s
; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn--amdhsa -mcpu=fiji -mattr=-flat-for-global,-xnack -verify-machineinstrs -show-mc-encoding < %s | FileCheck -enable-var-scope -check-prefixes=GCN,VI %s
; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn--amdhsa -mcpu=kaveri -mattr=-flat-for-global -verify-machineinstrs -show-mc-encoding < %s | FileCheck -enable-var-scope -check-prefixes=GCN %s
; FIXME: Merge into imm.ll
; GCN-LABEL: {{^}}store_inline_imm_neg_0.0_v2i16:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x80008000 ; encoding
; GCN: buffer_store_{{dword|b32}} [[REG]]
define amdgpu_kernel void @store_inline_imm_neg_0.0_v2i16(ptr addrspace(1) %out) #0 {
store <2 x i16> <i16 -32768, i16 -32768>, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}store_inline_imm_0.0_v2f16:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0 ; encoding
; GCN: buffer_store_{{dword|b32}} [[REG]]
define amdgpu_kernel void @store_inline_imm_0.0_v2f16(ptr addrspace(1) %out) #0 {
store <2 x half> <half 0.0, half 0.0>, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}store_imm_neg_0.0_v2f16:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x80008000 ; encoding
; GCN: buffer_store_{{dword|b32}} [[REG]]
define amdgpu_kernel void @store_imm_neg_0.0_v2f16(ptr addrspace(1) %out) #0 {
store <2 x half> <half -0.0, half -0.0>, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}store_inline_imm_0.5_v2f16:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x38003800 ; encoding
; GCN: buffer_store_{{dword|b32}} [[REG]]
define amdgpu_kernel void @store_inline_imm_0.5_v2f16(ptr addrspace(1) %out) #0 {
store <2 x half> <half 0.5, half 0.5>, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}store_inline_imm_m_0.5_v2f16:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0xb800b800 ; encoding
; GCN: buffer_store_{{dword|b32}} [[REG]]
define amdgpu_kernel void @store_inline_imm_m_0.5_v2f16(ptr addrspace(1) %out) #0 {
store <2 x half> <half -0.5, half -0.5>, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}store_inline_imm_1.0_v2f16:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x3c003c00 ; encoding
; GCN: buffer_store_{{dword|b32}} [[REG]]
define amdgpu_kernel void @store_inline_imm_1.0_v2f16(ptr addrspace(1) %out) #0 {
store <2 x half> <half 1.0, half 1.0>, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}store_inline_imm_m_1.0_v2f16:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0xbc00bc00 ; encoding
; GCN: buffer_store_{{dword|b32}} [[REG]]
define amdgpu_kernel void @store_inline_imm_m_1.0_v2f16(ptr addrspace(1) %out) #0 {
store <2 x half> <half -1.0, half -1.0>, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}store_inline_imm_2.0_v2f16:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x40004000 ; encoding
; GCN: buffer_store_{{dword|b32}} [[REG]]
define amdgpu_kernel void @store_inline_imm_2.0_v2f16(ptr addrspace(1) %out) #0 {
store <2 x half> <half 2.0, half 2.0>, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}store_inline_imm_m_2.0_v2f16:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0xc000c000 ; encoding
; GCN: buffer_store_{{dword|b32}} [[REG]]
define amdgpu_kernel void @store_inline_imm_m_2.0_v2f16(ptr addrspace(1) %out) #0 {
store <2 x half> <half -2.0, half -2.0>, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}store_inline_imm_4.0_v2f16:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x44004400 ; encoding
; GCN: buffer_store_{{dword|b32}} [[REG]]
define amdgpu_kernel void @store_inline_imm_4.0_v2f16(ptr addrspace(1) %out) #0 {
store <2 x half> <half 4.0, half 4.0>, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}store_inline_imm_m_4.0_v2f16:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0xc400c400 ; encoding
; GCN: buffer_store_{{dword|b32}} [[REG]]
define amdgpu_kernel void @store_inline_imm_m_4.0_v2f16(ptr addrspace(1) %out) #0 {
store <2 x half> <half -4.0, half -4.0>, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}store_inline_imm_inv_2pi_v2f16:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x31183118 ; encoding
; GCN: buffer_store_{{dword|b32}} [[REG]]
define amdgpu_kernel void @store_inline_imm_inv_2pi_v2f16(ptr addrspace(1) %out) #0 {
store <2 x half> <half 0xH3118, half 0xH3118>, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}store_inline_imm_m_inv_2pi_v2f16:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0xb118b118 ; encoding
; GCN: buffer_store_{{dword|b32}} [[REG]]
define amdgpu_kernel void @store_inline_imm_m_inv_2pi_v2f16(ptr addrspace(1) %out) #0 {
store <2 x half> <half 0xHB118, half 0xHB118>, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}store_literal_imm_v2f16:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x6c006c00
; GCN: buffer_store_{{dword|b32}} [[REG]]
define amdgpu_kernel void @store_literal_imm_v2f16(ptr addrspace(1) %out) #0 {
store <2 x half> <half 4096.0, half 4096.0>, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}add_inline_imm_0.0_v2f16:
; GFX9: s_load_dword [[VAL:s[0-9]+]]
; GFX9: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 0 ; encoding
; GFX9: buffer_store_dword [[REG]]
; FIXME: Shouldn't need right shift and SDWA, also extra copy
; VI-DAG: s_load_dword [[VAL:s[0-9]+]]
; VI-DAG: v_mov_b32_e32 [[CONST0:v[0-9]+]], 0
; VI-DAG: s_lshr_b32 [[SHR:s[0-9]+]], [[VAL]], 16
; VI-DAG: v_mov_b32_e32 [[V_SHR:v[0-9]+]], [[SHR]]
; VI-DAG: v_add_f16_sdwa v{{[0-9]+}}, [[V_SHR]], [[CONST0]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
; VI-DAG: v_add_f16_e64 v{{[0-9]+}}, [[VAL]], 0
; VI: v_or_b32
; VI: buffer_store_dword
define amdgpu_kernel void @add_inline_imm_0.0_v2f16(ptr addrspace(1) %out, <2 x half> %x) #0 {
%y = fadd <2 x half> %x, <half 0.0, half 0.0>
store <2 x half> %y, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}add_inline_imm_0.5_v2f16:
; GFX10: s_load_{{dword|b32}} [[VAL:s[0-9]+]]
; GFX10: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 0.5 op_sel_hi:[1,0] ; encoding: [0x00,0x40,0x0f,0xcc,0x02,0xe0,0x01,0x08]
; GFX10: buffer_store_{{dword|b32}} [[REG]]
; GFX9: s_load_dword [[VAL:s[0-9]+]]
; GFX9: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 0.5 op_sel_hi:[1,0] ; encoding: [0x00,0x40,0x8f,0xd3,0x06,0xe0,0x01,0x08]
; GFX9: buffer_store_dword [[REG]]
; FIXME: Shouldn't need right shift and SDWA, also extra copy
; VI-DAG: s_load_dword [[VAL:s[0-9]+]]
; VI-DAG: v_mov_b32_e32 [[CONST05:v[0-9]+]], 0x3800
; VI-DAG: s_lshr_b32 [[SHR:s[0-9]+]], [[VAL]], 16
; VI-DAG: v_mov_b32_e32 [[V_SHR:v[0-9]+]], [[SHR]]
; VI-DAG: v_add_f16_sdwa v{{[0-9]+}}, [[V_SHR]], [[CONST05]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
; VI-DAG: v_add_f16_e64 v{{[0-9]+}}, [[VAL]], 0.5
; VI: v_or_b32
; VI: buffer_store_dword
define amdgpu_kernel void @add_inline_imm_0.5_v2f16(ptr addrspace(1) %out, <2 x half> %x) #0 {
%y = fadd <2 x half> %x, <half 0.5, half 0.5>
store <2 x half> %y, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}add_inline_imm_neg_0.5_v2f16:
; GFX10: s_load_{{dword|b32}} [[VAL:s[0-9]+]]
; GFX10: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], -0.5 op_sel_hi:[1,0] ; encoding: [0x00,0x40,0x0f,0xcc,0x02,0xe2,0x01,0x08]
; GFX10: buffer_store_{{dword|b32}} [[REG]]
; GFX9: s_load_dword [[VAL:s[0-9]+]]
; GFX9: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], -0.5 op_sel_hi:[1,0] ; encoding: [0x00,0x40,0x8f,0xd3,0x06,0xe2,0x01,0x08]
; GFX9: buffer_store_dword [[REG]]
; FIXME: Shouldn't need right shift and SDWA, also extra copy
; VI-DAG: s_load_dword [[VAL:s[0-9]+]]
; VI-DAG: v_mov_b32_e32 [[CONSTM05:v[0-9]+]], 0xb800
; VI-DAG: s_lshr_b32 [[SHR:s[0-9]+]], [[VAL]], 16
; VI-DAG: v_mov_b32_e32 [[V_SHR:v[0-9]+]], [[SHR]]
; VI-DAG: v_add_f16_sdwa v{{[0-9]+}}, [[V_SHR]], [[CONSTM05]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
; VI-DAG: v_add_f16_e64 v{{[0-9]+}}, [[VAL]], -0.5
; VI: v_or_b32
; VI: buffer_store_dword
define amdgpu_kernel void @add_inline_imm_neg_0.5_v2f16(ptr addrspace(1) %out, <2 x half> %x) #0 {
%y = fadd <2 x half> %x, <half -0.5, half -0.5>
store <2 x half> %y, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}add_inline_imm_1.0_v2f16:
; GFX10: s_load_{{dword|b32}} [[VAL:s[0-9]+]]
; GFX10: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 1.0 op_sel_hi:[1,0] ; encoding:
; GFX10: buffer_store_{{dword|b32}} [[REG]]
; GFX9: s_load_dword [[VAL:s[0-9]+]]
; GFX9: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 1.0 op_sel_hi:[1,0] ; encoding
; GFX9: buffer_store_dword [[REG]]
; FIXME: Shouldn't need right shift and SDWA, also extra copy
; VI-DAG: s_load_dword [[VAL:s[0-9]+]]
; VI-DAG: v_mov_b32_e32 [[CONST1:v[0-9]+]], 0x3c00
; VI-DAG: s_lshr_b32 [[SHR:s[0-9]+]], [[VAL]], 16
; VI-DAG: v_mov_b32_e32 [[V_SHR:v[0-9]+]], [[SHR]]
; VI-DAG: v_add_f16_sdwa v{{[0-9]+}}, [[V_SHR]], [[CONST1]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
; VI-DAG: v_add_f16_e64 v{{[0-9]+}}, [[VAL]], 1.0
; VI: v_or_b32
; VI: buffer_store_dword
define amdgpu_kernel void @add_inline_imm_1.0_v2f16(ptr addrspace(1) %out, <2 x half> %x) #0 {
%y = fadd <2 x half> %x, <half 1.0, half 1.0>
store <2 x half> %y, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}add_inline_imm_neg_1.0_v2f16:
; GFX10: s_load_{{dword|b32}} [[VAL:s[0-9]+]]
; GFX10: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], -1.0 op_sel_hi:[1,0] ; encoding
; GFX10: buffer_store_{{dword|b32}} [[REG]]
; GFX9: s_load_dword [[VAL:s[0-9]+]]
; GFX9: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], -1.0 op_sel_hi:[1,0] ; encoding
; GFX9: buffer_store_dword [[REG]]
; FIXME: Shouldn't need right shift and SDWA, also extra copy
; VI-DAG: s_load_dword [[VAL:s[0-9]+]]
; VI-DAG: v_mov_b32_e32 [[CONST1:v[0-9]+]], 0xbc00
; VI-DAG: s_lshr_b32 [[SHR:s[0-9]+]], [[VAL]], 16
; VI-DAG: v_mov_b32_e32 [[V_SHR:v[0-9]+]], [[SHR]]
; VI-DAG: v_add_f16_sdwa v{{[0-9]+}}, [[V_SHR]], [[CONST1]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
; VI-DAG: v_add_f16_e64 v{{[0-9]+}}, [[VAL]], -1.0
; VI: v_or_b32
; VI: buffer_store_dword
define amdgpu_kernel void @add_inline_imm_neg_1.0_v2f16(ptr addrspace(1) %out, <2 x half> %x) #0 {
%y = fadd <2 x half> %x, <half -1.0, half -1.0>
store <2 x half> %y, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}add_inline_imm_2.0_v2f16:
; GFX10: s_load_{{dword|b32}} [[VAL:s[0-9]+]]
; GFX10: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 2.0 op_sel_hi:[1,0] ; encoding
; GFX10: buffer_store_{{dword|b32}} [[REG]]
; GFX9: s_load_dword [[VAL:s[0-9]+]]
; GFX9: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 2.0 op_sel_hi:[1,0] ; encoding
; GFX9: buffer_store_dword [[REG]]
; FIXME: Shouldn't need right shift and SDWA, also extra copy
; VI-DAG: s_load_dword [[VAL:s[0-9]+]]
; VI-DAG: v_mov_b32_e32 [[CONST2:v[0-9]+]], 0x4000
; VI-DAG: s_lshr_b32 [[SHR:s[0-9]+]], [[VAL]], 16
; VI-DAG: v_mov_b32_e32 [[V_SHR:v[0-9]+]], [[SHR]]
; VI-DAG: v_add_f16_sdwa v{{[0-9]+}}, [[V_SHR]], [[CONST2]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
; VI-DAG: v_add_f16_e64 v{{[0-9]+}}, [[VAL]], 2.0
; VI: v_or_b32
; VI: buffer_store_dword
define amdgpu_kernel void @add_inline_imm_2.0_v2f16(ptr addrspace(1) %out, <2 x half> %x) #0 {
%y = fadd <2 x half> %x, <half 2.0, half 2.0>
store <2 x half> %y, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}add_inline_imm_neg_2.0_v2f16:
; GFX10: s_load_{{dword|b32}} [[VAL:s[0-9]+]]
; GFX10: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], -2.0 op_sel_hi:[1,0] ; encoding
; GFX10: buffer_store_{{dword|b32}} [[REG]]
; GFX9: s_load_dword [[VAL:s[0-9]+]]
; GFX9: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], -2.0 op_sel_hi:[1,0] ; encoding
; GFX9: buffer_store_dword [[REG]]
; FIXME: Shouldn't need right shift and SDWA, also extra copy
; VI-DAG: s_load_dword [[VAL:s[0-9]+]]
; VI-DAG: v_mov_b32_e32 [[CONSTM2:v[0-9]+]], 0xc000
; VI-DAG: s_lshr_b32 [[SHR:s[0-9]+]], [[VAL]], 16
; VI-DAG: v_mov_b32_e32 [[V_SHR:v[0-9]+]], [[SHR]]
; VI-DAG: v_add_f16_sdwa v{{[0-9]+}}, [[V_SHR]], [[CONSTM2]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
; VI-DAG: v_add_f16_e64 v{{[0-9]+}}, [[VAL]], -2.0
; VI: v_or_b32
; VI: buffer_store_dword
define amdgpu_kernel void @add_inline_imm_neg_2.0_v2f16(ptr addrspace(1) %out, <2 x half> %x) #0 {
%y = fadd <2 x half> %x, <half -2.0, half -2.0>
store <2 x half> %y, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}add_inline_imm_4.0_v2f16:
; GFX10: s_load_{{dword|b32}} [[VAL:s[0-9]+]]
; GFX10: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 4.0 op_sel_hi:[1,0] ; encoding
; GFX10: buffer_store_{{dword|b32}} [[REG]]
; GFX9: s_load_dword [[VAL:s[0-9]+]]
; GFX9: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 4.0 op_sel_hi:[1,0] ; encoding
; GFX9: buffer_store_dword [[REG]]
; FIXME: Shouldn't need right shift and SDWA, also extra copy
; VI-DAG: s_load_dword [[VAL:s[0-9]+]]
; VI-DAG: v_mov_b32_e32 [[CONST4:v[0-9]+]], 0x4400
; VI-DAG: s_lshr_b32 [[SHR:s[0-9]+]], [[VAL]], 16
; VI-DAG: v_mov_b32_e32 [[V_SHR:v[0-9]+]], [[SHR]]
; VI-DAG: v_add_f16_sdwa v{{[0-9]+}}, [[V_SHR]], [[CONST4]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
; VI-DAG: v_add_f16_e64 v{{[0-9]+}}, [[VAL]], 4.0
; VI: v_or_b32
; VI: buffer_store_dword
define amdgpu_kernel void @add_inline_imm_4.0_v2f16(ptr addrspace(1) %out, <2 x half> %x) #0 {
%y = fadd <2 x half> %x, <half 4.0, half 4.0>
store <2 x half> %y, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}add_inline_imm_neg_4.0_v2f16:
; GFX10: s_load_{{dword|b32}} [[VAL:s[0-9]+]]
; GFX10: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], -4.0 op_sel_hi:[1,0] ; encoding
; GFX10: buffer_store_{{dword|b32}} [[REG]]
; GFX9: s_load_dword [[VAL:s[0-9]+]]
; GFX9: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], -4.0 op_sel_hi:[1,0] ; encoding
; GFX9: buffer_store_dword [[REG]]
; FIXME: Shouldn't need right shift and SDWA, also extra copy
; VI-DAG: s_load_dword [[VAL:s[0-9]+]]
; VI-DAG: v_mov_b32_e32 [[CONSTM4:v[0-9]+]], 0xc400
; VI-DAG: s_lshr_b32 [[SHR:s[0-9]+]], [[VAL]], 16
; VI-DAG: v_mov_b32_e32 [[V_SHR:v[0-9]+]], [[SHR]]
; VI-DAG: v_add_f16_sdwa v{{[0-9]+}}, [[V_SHR]], [[CONSTM4]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
; VI-DAG: v_add_f16_e64 v{{[0-9]+}}, [[VAL]], -4.0
; VI: v_or_b32
; VI: buffer_store_dword
define amdgpu_kernel void @add_inline_imm_neg_4.0_v2f16(ptr addrspace(1) %out, <2 x half> %x) #0 {
%y = fadd <2 x half> %x, <half -4.0, half -4.0>
store <2 x half> %y, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}commute_add_inline_imm_0.5_v2f16:
; GFX10: buffer_load_{{dword|b32}} [[VAL:v[0-9]+]]
; GFX10: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 0.5
; GFX10: buffer_store_{{dword|b32}} [[REG]]
; GFX9: buffer_load_dword [[VAL:v[0-9]+]]
; GFX9: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 0.5
; GFX9: buffer_store_dword [[REG]]
; VI-DAG: v_mov_b32_e32 [[CONST05:v[0-9]+]], 0x3800
; VI-DAG: buffer_load_dword
; VI-NOT: and
; VI-DAG: v_add_f16_sdwa v{{[0-9]+}}, v{{[0-9]+}}, [[CONST05]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:DWORD
; VI-DAG: v_add_f16_e32 v{{[0-9]+}}, 0.5, v{{[0-9]+}}
; VI: v_or_b32
; VI: buffer_store_dword
define amdgpu_kernel void @commute_add_inline_imm_0.5_v2f16(ptr addrspace(1) %out, ptr addrspace(1) %in) #0 {
%x = load <2 x half>, ptr addrspace(1) %in
%y = fadd <2 x half> %x, <half 0.5, half 0.5>
store <2 x half> %y, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}commute_add_literal_v2f16:
; GFX10: v_pk_add_f16 v0, 0x6400, v0 op_sel_hi:[0,1] ; encoding: [0x00,0x40,0x0f,0xcc,0xff,0x00,0x02,0x10,0x00,0x64,0x00,0x00]
; GFX9-DAG: buffer_load_dword [[VAL:v[0-9]+]]
; GFX9-DAG: s_movk_i32 [[K:s[0-9]+]], 0x6400 ; encoding
; GFX9: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], [[K]] op_sel_hi:[1,0] ; encoding: [0x00,0x40,0x8f,0xd3,0x00,0x01,0x00,0x08]
; GFX9: buffer_store_dword [[REG]]
; VI-DAG: buffer_load_dword
; VI-NOT: and
; VI-DAG: v_add_f16_e32 v{{[0-9]+}}, 0x6400, v{{[0-9]+}}
; gfx8 does not support sreg or imm in sdwa - this will be move then
; VI-DAG: v_mov_b32_e32 [[VK:v[0-9]+]], 0x6400
; VI-DAG: v_add_f16_sdwa v{{[0-9]+}}, v{{[0-9]+}}, [[VK]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:DWORD
; VI: v_or_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
; VI: buffer_store_dword
define amdgpu_kernel void @commute_add_literal_v2f16(ptr addrspace(1) %out, ptr addrspace(1) %in) #0 {
%x = load <2 x half>, ptr addrspace(1) %in
%y = fadd <2 x half> %x, <half 1024.0, half 1024.0>
store <2 x half> %y, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}add_inline_imm_1_v2f16:
; GFX10: s_load_{{dword|b32}} [[VAL:s[0-9]+]]
; GFX10: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 1 op_sel_hi:[1,0] ; encoding
; GFX10: buffer_store_{{dword|b32}} [[REG]]
; GFX9: s_load_dword [[VAL:s[0-9]+]]
; GFX9: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 1 op_sel_hi:[1,0] ; encoding
; GFX9: buffer_store_dword [[REG]]
; FIXME: Shouldn't need right shift and SDWA, also extra copy
; VI-DAG: s_load_dword [[VAL:s[0-9]+]]
; VI-DAG: v_mov_b32_e32 [[CONST1:v[0-9]+]], 1 ; encoding
; VI-DAG: s_lshr_b32 [[SHR:s[0-9]+]], [[VAL]], 16
; VI-DAG: v_mov_b32_e32 [[V_SHR:v[0-9]+]], [[SHR]]
; VI-DAG: v_add_f16_sdwa v{{[0-9]+}}, [[V_SHR]], [[CONST1]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
; VI-DAG: v_add_f16_e64 v{{[0-9]+}}, [[VAL]], 1 ; encoding
; VI: v_or_b32
; VI: buffer_store_dword
define amdgpu_kernel void @add_inline_imm_1_v2f16(ptr addrspace(1) %out, <2 x half> %x) #0 {
%y = fadd <2 x half> %x, <half 0xH0001, half 0xH0001>
store <2 x half> %y, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}add_inline_imm_2_v2f16:
; GFX10: s_load_{{dword|b32}} [[VAL:s[0-9]+]]
; GFX10: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 2 op_sel_hi:[1,0] ; encoding
; GFX10: buffer_store_{{dword|b32}} [[REG]]
; GFX9: s_load_dword [[VAL:s[0-9]+]]
; GFX9: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 2 op_sel_hi:[1,0] ; encoding
; GFX9: buffer_store_dword [[REG]]
; FIXME: Shouldn't need right shift and SDWA, also extra copy
; VI-DAG: s_load_dword [[VAL:s[0-9]+]]
; VI-DAG: v_mov_b32_e32 [[CONST2:v[0-9]+]], 2 ; encoding
; VI-DAG: s_lshr_b32 [[SHR:s[0-9]+]], [[VAL]], 16
; VI-DAG: v_mov_b32_e32 [[V_SHR:v[0-9]+]], [[SHR]]
; VI-DAG: v_add_f16_sdwa v{{[0-9]+}}, [[V_SHR]], [[CONST2]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
; VI-DAG: v_add_f16_e64 v{{[0-9]+}}, [[VAL]], 2 ; encoding
; VI: v_or_b32
; VI: buffer_store_dword
define amdgpu_kernel void @add_inline_imm_2_v2f16(ptr addrspace(1) %out, <2 x half> %x) #0 {
%y = fadd <2 x half> %x, <half 0xH0002, half 0xH0002>
store <2 x half> %y, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}add_inline_imm_16_v2f16:
; GFX10: s_load_{{dword|b32}} [[VAL:s[0-9]+]]
; GFX10: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 16 op_sel_hi:[1,0] ; encoding
; GFX10: buffer_store_{{dword|b32}} [[REG]]
; GFX9: s_load_dword [[VAL:s[0-9]+]]
; GFX9: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 16 op_sel_hi:[1,0] ; encoding
; GFX9: buffer_store_dword [[REG]]
; FIXME: Shouldn't need right shift and SDWA, also extra copy
; VI-DAG: s_load_dword [[VAL:s[0-9]+]]
; VI-DAG: v_mov_b32_e32 [[CONST16:v[0-9]+]], 16 ; encoding
; VI-DAG: s_lshr_b32 [[SHR:s[0-9]+]], [[VAL]], 16
; VI-DAG: v_mov_b32_e32 [[V_SHR:v[0-9]+]], [[SHR]]
; VI-DAG: v_add_f16_sdwa v{{[0-9]+}}, [[V_SHR]], [[CONST16]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
; VI-DAG: v_add_f16_e64 v{{[0-9]+}}, [[VAL]], 16 ; encoding
; VI: v_or_b32
; VI: buffer_store_dword
define amdgpu_kernel void @add_inline_imm_16_v2f16(ptr addrspace(1) %out, <2 x half> %x) #0 {
%y = fadd <2 x half> %x, <half 0xH0010, half 0xH0010>
store <2 x half> %y, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}add_inline_imm_neg_1_v2f16:
; GFX10: s_add_i32 [[VAL:s[0-9]+]], s{{[0-9]+}}, -1
; GFX10: v_mov_b32_e32 [[REG:v[0-9]+]], [[VAL]]
; GFX10: buffer_store_{{dword|b32}} [[REG]]
; GFX9: s_add_i32 [[VAL:s[0-9]+]], s6, -1
; GFX9: v_mov_b32_e32 [[REG:v[0-9]+]], [[VAL]]
; GFX9: buffer_store_dword [[REG]]
; VI: s_load_dword [[VAL:s[0-9]+]]
; VI: s_add_i32 [[ADD:s[0-9]+]], [[VAL]], -1 ; encoding
; VI: v_mov_b32_e32 [[REG:v[0-9]+]], [[ADD]]
; VI: buffer_store_dword [[REG]]
define amdgpu_kernel void @add_inline_imm_neg_1_v2f16(ptr addrspace(1) %out, <2 x half> %x) #0 {
%xbc = bitcast <2 x half> %x to i32
%y = add i32 %xbc, -1
%ybc = bitcast i32 %y to <2 x half>
store <2 x half> %ybc, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}add_inline_imm_neg_2_v2f16:
; GFX10: s_add_i32 [[VAL:s[0-9]+]], s{{[0-9]+}}, 0xfffefffe
; GFX10: v_mov_b32_e32 [[REG:v[0-9]+]], [[VAL]]
; GFX10: buffer_store_{{dword|b32}} [[REG]]
; GFX9: s_add_i32 [[VAL:s[0-9]+]], s6, 0xfffefffe
; GFX9: v_mov_b32_e32 [[REG:v[0-9]+]], [[VAL]]
; GFX9: buffer_store_dword [[REG]]
; VI: s_load_dword [[VAL:s[0-9]+]]
; VI: s_add_i32 [[ADD:s[0-9]+]], [[VAL]], 0xfffefffe ; encoding
; VI: v_mov_b32_e32 [[REG:v[0-9]+]], [[ADD]]
; VI: buffer_store_dword [[REG]]
define amdgpu_kernel void @add_inline_imm_neg_2_v2f16(ptr addrspace(1) %out, <2 x half> %x) #0 {
%xbc = bitcast <2 x half> %x to i32
%y = add i32 %xbc, 4294901758 ; 0xfffefffe
%ybc = bitcast i32 %y to <2 x half>
store <2 x half> %ybc, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}add_inline_imm_neg_16_v2f16:
; GFX10: s_add_i32 [[VAL:s[0-9]+]], s{{[0-9]+}}, 0xfff0fff0
; GFX10: v_mov_b32_e32 [[REG:v[0-9]+]], [[VAL]]
; GFX10: buffer_store_{{dword|b32}} [[REG]]
; GFX9: s_add_i32 [[VAL:s[0-9]+]], s6, 0xfff0fff0
; GFX9: v_mov_b32_e32 [[REG:v[0-9]+]], [[VAL]]
; GFX9: buffer_store_dword [[REG]]
; VI: s_load_dword [[VAL:s[0-9]+]]
; VI: s_add_i32 [[ADD:s[0-9]+]], [[VAL]], 0xfff0fff0 ; encoding
; VI: v_mov_b32_e32 [[REG:v[0-9]+]], [[ADD]]
; VI: buffer_store_dword [[REG]]
define amdgpu_kernel void @add_inline_imm_neg_16_v2f16(ptr addrspace(1) %out, <2 x half> %x) #0 {
%xbc = bitcast <2 x half> %x to i32
%y = add i32 %xbc, 4293984240 ; 0xfff0fff0
%ybc = bitcast i32 %y to <2 x half>
store <2 x half> %ybc, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}add_inline_imm_63_v2f16:
; GFX10: s_load_{{dword|b32}} [[VAL:s[0-9]+]]
; GFX10: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 63
; GFX10: buffer_store_{{dword|b32}} [[REG]]
; GFX9: s_load_dword [[VAL:s[0-9]+]]
; GFX9: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 63
; GFX9: buffer_store_dword [[REG]]
; FIXME: Shouldn't need right shift and SDWA, also extra copy
; VI-DAG: s_load_dword [[VAL:s[0-9]+]]
; VI-DAG: v_mov_b32_e32 [[CONST63:v[0-9]+]], 63
; VI-DAG: s_lshr_b32 [[SHR:s[0-9]+]], [[VAL]], 16
; VI-DAG: v_mov_b32_e32 [[V_SHR:v[0-9]+]], [[SHR]]
; VI-DAG: v_add_f16_sdwa v{{[0-9]+}}, [[V_SHR]], [[CONST63]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
; VI-DAG: v_add_f16_e64 v{{[0-9]+}}, [[VAL]], 63
; VI: v_or_b32
; VI: buffer_store_dword
define amdgpu_kernel void @add_inline_imm_63_v2f16(ptr addrspace(1) %out, <2 x half> %x) #0 {
%y = fadd <2 x half> %x, <half 0xH003F, half 0xH003F>
store <2 x half> %y, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}add_inline_imm_64_v2f16:
; GFX10: s_load_{{dword|b32}} [[VAL:s[0-9]+]]
; GFX10: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 64
; GFX10: buffer_store_{{dword|b32}} [[REG]]
; GFX9: s_load_dword [[VAL:s[0-9]+]]
; GFX9: v_pk_add_f16 [[REG:v[0-9]+]], [[VAL]], 64
; GFX9: buffer_store_dword [[REG]]
; FIXME: Shouldn't need right shift and SDWA, also extra copy
; VI-DAG: s_load_dword [[VAL:s[0-9]+]]
; VI-DAG: v_mov_b32_e32 [[CONST64:v[0-9]+]], 64
; VI-DAG: s_lshr_b32 [[SHR:s[0-9]+]], [[VAL]], 16
; VI-DAG: v_mov_b32_e32 [[V_SHR:v[0-9]+]], [[SHR]]
; VI-DAG: v_add_f16_sdwa v{{[0-9]+}}, [[V_SHR]], [[CONST64]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
; VI-DAG: v_add_f16_e64 v{{[0-9]+}}, [[VAL]], 64
; VI: v_or_b32
; VI: buffer_store_dword
define amdgpu_kernel void @add_inline_imm_64_v2f16(ptr addrspace(1) %out, <2 x half> %x) #0 {
%y = fadd <2 x half> %x, <half 0xH0040, half 0xH0040>
store <2 x half> %y, ptr addrspace(1) %out
ret void
}
; GCN-LABEL: {{^}}mul_inline_imm_0.5_v2i16:
; GFX9: s_mov_b32 [[K:s[0-9]+]], 0x38003800
; GFX9: v_pk_mul_lo_u16 v0, v0, [[K]]
; GFX10: v_pk_mul_lo_u16 v0, 0x38003800, v0 ; encoding: [0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0xff,0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x00,0x38,0x00,0x38]
define <2 x i16> @mul_inline_imm_0.5_v2i16(<2 x i16> %x) {
%y = mul <2 x i16> %x, bitcast (<2 x half> <half 0.5, half 0.5> to <2 x i16>)
ret <2 x i16> %y
}
; GCN-LABEL: {{^}}mul_inline_imm_neg_0.5_v2i16:
; GFX9: s_mov_b32 [[K:s[0-9]+]], 0xb800b800
; GFX9: v_pk_mul_lo_u16 v0, v0, [[K]]
; GFX10: v_pk_mul_lo_u16 v0, 0xb800b800, v0 ; encoding: [0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0xff,0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x00,0xb8,0x00,0xb8]
define <2 x i16> @mul_inline_imm_neg_0.5_v2i16(<2 x i16> %x) {
%y = mul <2 x i16> %x, bitcast (<2 x half> <half -0.5, half -0.5> to <2 x i16>)
ret <2 x i16> %y
}
; GCN-LABEL: {{^}}mul_inline_imm_1.0_v2i16:
; GFX9: s_mov_b32 [[K:s[0-9]+]], 0x3c003c00
; GFX9: v_pk_mul_lo_u16 v0, v0, [[K]]
; GFX10: v_pk_mul_lo_u16 v0, 0x3c003c00, v0 ; encoding: [0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0xff,0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x00,0x3c,0x00,0x3c]
define <2 x i16> @mul_inline_imm_1.0_v2i16(<2 x i16> %x) {
%y = mul <2 x i16> %x, bitcast (<2 x half> <half 1.0, half 1.0> to <2 x i16>)
ret <2 x i16> %y
}
; GCN-LABEL: {{^}}mul_inline_imm_neg_1.0_v2i16:
; GFX9: s_mov_b32 [[K:s[0-9]+]], 0xbc00bc00
; GFX9: v_pk_mul_lo_u16 v0, v0, [[K]]
; GFX10: v_pk_mul_lo_u16 v0, 0xbc00bc00, v0 ; encoding: [0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0xff,0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x00,0xbc,0x00,0xbc]
define <2 x i16> @mul_inline_imm_neg_1.0_v2i16(<2 x i16> %x) {
%y = mul <2 x i16> %x, bitcast (<2 x half> <half -1.0, half -1.0> to <2 x i16>)
ret <2 x i16> %y
}
; GCN-LABEL: {{^}}shl_inline_imm_2.0_v2i16:
; GFX9: v_pk_lshlrev_b16 v0, v0, 2.0 op_sel:[0,1]
; GFX10: v_pk_lshlrev_b16 v0, v0, 2.0 op_sel:[0,1] ; encoding: [0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0xe9,0x{{[0-9a-f]+}},0x{{[0-9a-f]+}}]
define <2 x i16> @shl_inline_imm_2.0_v2i16(<2 x i16> %x) {
%y = shl <2 x i16> bitcast (<2 x half> <half 2.0, half 2.0> to <2 x i16>), %x
ret <2 x i16> %y
}
; GCN-LABEL: {{^}}shl_inline_imm_neg_2.0_v2i16:
; GFX9: v_pk_lshlrev_b16 v0, v0, -2.0 op_sel:[0,1]
; GFX10: v_pk_lshlrev_b16 v0, v0, -2.0 op_sel:[0,1] ; encoding: [0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0xeb,0x{{[0-9a-f]+}},0x{{[0-9a-f]+}}]
define <2 x i16> @shl_inline_imm_neg_2.0_v2i16(<2 x i16> %x) {
%y = shl <2 x i16> bitcast (<2 x half> <half -2.0, half -2.0> to <2 x i16>), %x
ret <2 x i16> %y
}
; GCN-LABEL: {{^}}mul_inline_imm_4.0_v2i16:
; GFX9: s_mov_b32 [[K:s[0-9]+]], 0x44004400
; GFX9: v_pk_mul_lo_u16 v0, v0, [[K]]
; GFX10: v_pk_mul_lo_u16 v0, 0x44004400, v0 ; encoding: [0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0xff,0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x00,0x44,0x00,0x44]
define <2 x i16> @mul_inline_imm_4.0_v2i16(<2 x i16> %x) {
%y = mul <2 x i16> %x, bitcast (<2 x half> <half 4.0, half 4.0> to <2 x i16>)
ret <2 x i16> %y
}
; GCN-LABEL: {{^}}mul_inline_imm_neg_4.0_v2i16:
; GFX9: s_mov_b32 [[K:s[0-9]+]], 0xc400c400
; GFX9: v_pk_mul_lo_u16 v0, v0, [[K]]
; GFX10: v_pk_mul_lo_u16 v0, 0xc400c400, v0 ; encoding: [0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0xff,0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x00,0xc4,0x00,0xc4]
define <2 x i16> @mul_inline_imm_neg_4.0_v2i16(<2 x i16> %x) {
%y = mul <2 x i16> %x, bitcast (<2 x half> <half -4.0, half -4.0> to <2 x i16>)
ret <2 x i16> %y
}
; GCN-LABEL: {{^}}mul_inline_imm_inv2pi_v2i16:
; GFX9: s_mov_b32 [[K:s[0-9]+]], 0x31183118
; GFX9: v_pk_mul_lo_u16 v0, v0, [[K]]
; GFX10: v_pk_mul_lo_u16 v0, 0x31183118, v0 ; encoding: [0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0xff,0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x{{[0-9a-f]+}},0x18,0x31,0x18,0x31]
define <2 x i16> @mul_inline_imm_inv2pi_v2i16(<2 x i16> %x) {
%y = mul <2 x i16> %x, bitcast (<2 x half> <half 0xH3118, half 0xH3118> to <2 x i16>)
ret <2 x i16> %y
}
attributes #0 = { nounwind }
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