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183 lines
8.1 KiB
LLVM
183 lines
8.1 KiB
LLVM
; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -show-mc-encoding -verify-machineinstrs < %s | FileCheck %s
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declare i32 @llvm.amdgcn.workitem.id.x() readnone
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;;;==========================================================================;;;
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;;; MUBUF LOAD TESTS
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;;;==========================================================================;;;
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; MUBUF load with an immediate byte offset that fits into 12-bits
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; CHECK-LABEL: {{^}}mubuf_load0:
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; CHECK: buffer_load_dword v{{[0-9]}}, off, s[{{[0-9]+:[0-9]+}}], 0 offset:4 ; encoding: [0x04,0x00,0x30,0xe0
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define amdgpu_kernel void @mubuf_load0(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
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entry:
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%0 = getelementptr i32, i32 addrspace(1)* %in, i64 1
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%1 = load i32, i32 addrspace(1)* %0
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store i32 %1, i32 addrspace(1)* %out
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ret void
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}
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; MUBUF load with the largest possible immediate offset
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; CHECK-LABEL: {{^}}mubuf_load1:
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; CHECK: buffer_load_ubyte v{{[0-9]}}, off, s[{{[0-9]+:[0-9]+}}], 0 offset:4095 ; encoding: [0xff,0x0f,0x20,0xe0
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define amdgpu_kernel void @mubuf_load1(i8 addrspace(1)* %out, i8 addrspace(1)* %in) {
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entry:
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%0 = getelementptr i8, i8 addrspace(1)* %in, i64 4095
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%1 = load i8, i8 addrspace(1)* %0
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store i8 %1, i8 addrspace(1)* %out
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ret void
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}
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; MUBUF load with an immediate byte offset that doesn't fit into 12-bits
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; CHECK-LABEL: {{^}}mubuf_load2:
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; CHECK: s_movk_i32 [[SOFFSET:s[0-9]+]], 0x1000
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; CHECK: buffer_load_dword v{{[0-9]}}, off, s[{{[0-9]+:[0-9]+}}], [[SOFFSET]] ; encoding: [0x00,0x00,0x30,0xe0
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define amdgpu_kernel void @mubuf_load2(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
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entry:
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%0 = getelementptr i32, i32 addrspace(1)* %in, i64 1024
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%1 = load i32, i32 addrspace(1)* %0
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store i32 %1, i32 addrspace(1)* %out
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ret void
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}
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; MUBUF load with a 12-bit immediate offset and a register offset
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; CHECK-LABEL: {{^}}mubuf_load3:
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; CHECK-NOT: ADD
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; CHECK: buffer_load_dword v{{[0-9]}}, v[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}], 0 addr64 offset:4 ; encoding: [0x04,0x80,0x30,0xe0
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define amdgpu_kernel void @mubuf_load3(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i64 %offset) {
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entry:
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%0 = getelementptr i32, i32 addrspace(1)* %in, i64 %offset
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%1 = getelementptr i32, i32 addrspace(1)* %0, i64 1
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%2 = load i32, i32 addrspace(1)* %1
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store i32 %2, i32 addrspace(1)* %out
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ret void
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}
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; CHECK-LABEL: {{^}}soffset_max_imm:
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; CHECK: buffer_load_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+}}:{{[0-9]+}}], 64 offen glc
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define amdgpu_gs void @soffset_max_imm([6 x <4 x i32>] addrspace(4)* byval, [17 x <4 x i32>] addrspace(4)* byval, [16 x <4 x i32>] addrspace(4)* byval, [32 x <8 x i32>] addrspace(4)* byval, i32 inreg, i32 inreg, i32, i32, i32, i32, i32, i32, i32, i32) {
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main_body:
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%tmp0 = getelementptr [6 x <4 x i32>], [6 x <4 x i32>] addrspace(4)* %0, i32 0, i32 0
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%tmp1 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp0
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%tmp2 = shl i32 %6, 2
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%tmp3 = call i32 @llvm.SI.buffer.load.dword.i32.i32(<4 x i32> %tmp1, i32 %tmp2, i32 64, i32 0, i32 1, i32 0, i32 1, i32 0, i32 0)
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%tmp4 = add i32 %6, 16
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%tmp1.4xi32 = bitcast <4 x i32> %tmp1 to <4 x i32>
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call void @llvm.amdgcn.tbuffer.store.i32(i32 %tmp3, <4 x i32> %tmp1.4xi32, i32 0, i32 %tmp4, i32 %4, i32 0, i32 4, i32 4, i1 1, i1 1)
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ret void
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}
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; Make sure immediates that aren't inline constants don't get folded into
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; the soffset operand.
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; FIXME: for this test we should be smart enough to shift the immediate into
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; the offset field.
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; CHECK-LABEL: {{^}}soffset_no_fold:
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; CHECK: s_movk_i32 [[SOFFSET:s[0-9]+]], 0x41
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; CHECK: buffer_load_dword v{{[0-9+]}}, v{{[0-9+]}}, s[{{[0-9]+}}:{{[0-9]+}}], [[SOFFSET]] offen glc
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define amdgpu_gs void @soffset_no_fold([6 x <4 x i32>] addrspace(4)* byval, [17 x <4 x i32>] addrspace(4)* byval, [16 x <4 x i32>] addrspace(4)* byval, [32 x <8 x i32>] addrspace(4)* byval, i32 inreg, i32 inreg, i32, i32, i32, i32, i32, i32, i32, i32) {
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main_body:
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%tmp0 = getelementptr [6 x <4 x i32>], [6 x <4 x i32>] addrspace(4)* %0, i32 0, i32 0
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%tmp1 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp0
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%tmp2 = shl i32 %6, 2
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%tmp3 = call i32 @llvm.SI.buffer.load.dword.i32.i32(<4 x i32> %tmp1, i32 %tmp2, i32 65, i32 0, i32 1, i32 0, i32 1, i32 0, i32 0)
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%tmp4 = add i32 %6, 16
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%tmp1.4xi32 = bitcast <4 x i32> %tmp1 to <4 x i32>
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call void @llvm.amdgcn.tbuffer.store.i32(i32 %tmp3, <4 x i32> %tmp1.4xi32, i32 0, i32 %tmp4, i32 %4, i32 0, i32 4, i32 4, i1 1, i1 1)
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ret void
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}
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;;;==========================================================================;;;
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;;; MUBUF STORE TESTS
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;;;==========================================================================;;;
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; MUBUF store with an immediate byte offset that fits into 12-bits
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; CHECK-LABEL: {{^}}mubuf_store0:
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; CHECK: buffer_store_dword v{{[0-9]}}, off, s[{{[0-9]:[0-9]}}], 0 offset:4 ; encoding: [0x04,0x00,0x70,0xe0
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define amdgpu_kernel void @mubuf_store0(i32 addrspace(1)* %out) {
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entry:
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%0 = getelementptr i32, i32 addrspace(1)* %out, i64 1
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store i32 0, i32 addrspace(1)* %0
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ret void
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}
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; MUBUF store with the largest possible immediate offset
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; CHECK-LABEL: {{^}}mubuf_store1:
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; CHECK: buffer_store_byte v{{[0-9]}}, off, s[{{[0-9]:[0-9]}}], 0 offset:4095 ; encoding: [0xff,0x0f,0x60,0xe0
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define amdgpu_kernel void @mubuf_store1(i8 addrspace(1)* %out) {
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entry:
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%0 = getelementptr i8, i8 addrspace(1)* %out, i64 4095
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store i8 0, i8 addrspace(1)* %0
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ret void
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}
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; MUBUF store with an immediate byte offset that doesn't fit into 12-bits
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; CHECK-LABEL: {{^}}mubuf_store2:
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; CHECK: s_movk_i32 [[SOFFSET:s[0-9]+]], 0x1000
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; CHECK: buffer_store_dword v{{[0-9]}}, off, s[{{[0-9]:[0-9]}}], [[SOFFSET]] ; encoding: [0x00,0x00,0x70,0xe0
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define amdgpu_kernel void @mubuf_store2(i32 addrspace(1)* %out) {
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entry:
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%0 = getelementptr i32, i32 addrspace(1)* %out, i64 1024
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store i32 0, i32 addrspace(1)* %0
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ret void
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}
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; MUBUF store with a 12-bit immediate offset and a register offset
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; CHECK-LABEL: {{^}}mubuf_store3:
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; CHECK-NOT: ADD
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; CHECK: buffer_store_dword v{{[0-9]}}, v[{{[0-9]:[0-9]}}], s[{{[0-9]:[0-9]}}], 0 addr64 offset:4 ; encoding: [0x04,0x80,0x70,0xe0
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define amdgpu_kernel void @mubuf_store3(i32 addrspace(1)* %out, i64 %offset) {
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entry:
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%0 = getelementptr i32, i32 addrspace(1)* %out, i64 %offset
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%1 = getelementptr i32, i32 addrspace(1)* %0, i64 1
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store i32 0, i32 addrspace(1)* %1
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ret void
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}
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; CHECK-LABEL: {{^}}store_sgpr_ptr:
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; CHECK: buffer_store_dword v{{[0-9]+}}, off, s{{\[[0-9]+:[0-9]+\]}}, 0
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define amdgpu_kernel void @store_sgpr_ptr(i32 addrspace(1)* %out) #0 {
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store i32 99, i32 addrspace(1)* %out, align 4
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ret void
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}
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; CHECK-LABEL: {{^}}store_sgpr_ptr_offset:
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; CHECK: buffer_store_dword v{{[0-9]+}}, off, s{{\[[0-9]+:[0-9]+\]}}, 0 offset:40
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define amdgpu_kernel void @store_sgpr_ptr_offset(i32 addrspace(1)* %out) #0 {
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 10
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store i32 99, i32 addrspace(1)* %out.gep, align 4
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ret void
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}
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; CHECK-LABEL: {{^}}store_sgpr_ptr_large_offset:
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; CHECK: s_mov_b32 [[SOFFSET:s[0-9]+]], 0x20000
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; CHECK: buffer_store_dword v{{[0-9]+}}, off, s{{\[[0-9]+:[0-9]+\]}}, [[SOFFSET]]
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define amdgpu_kernel void @store_sgpr_ptr_large_offset(i32 addrspace(1)* %out) #0 {
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 32768
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store i32 99, i32 addrspace(1)* %out.gep, align 4
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ret void
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}
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; CHECK-LABEL: {{^}}store_sgpr_ptr_large_offset_atomic:
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; CHECK: s_mov_b32 [[SOFFSET:s[0-9]+]], 0x20000
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; CHECK: buffer_atomic_add v{{[0-9]+}}, off, s{{\[[0-9]+:[0-9]+\]}}, [[SOFFSET]]
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define amdgpu_kernel void @store_sgpr_ptr_large_offset_atomic(i32 addrspace(1)* %out) #0 {
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%gep = getelementptr i32, i32 addrspace(1)* %out, i32 32768
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%val = atomicrmw volatile add i32 addrspace(1)* %gep, i32 5 seq_cst
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ret void
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}
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; CHECK-LABEL: {{^}}store_vgpr_ptr:
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; CHECK: buffer_store_dword v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64
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define amdgpu_kernel void @store_vgpr_ptr(i32 addrspace(1)* %out) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() readnone
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
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store i32 99, i32 addrspace(1)* %out.gep, align 4
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ret void
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}
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declare i32 @llvm.SI.buffer.load.dword.i32.i32(<4 x i32>, i32, i32, i32, i32, i32, i32, i32, i32) #0
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declare void @llvm.amdgcn.tbuffer.store.i32(i32, <4 x i32>, i32, i32, i32, i32, i32, i32, i1, i1)
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attributes #0 = { nounwind readonly }
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