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https://github.com/RPCS3/llvm-mirror.git
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ebeb37f2e9
This allows to avoid scratch use or indirect VGPR addressing for small vectors. Differential Revision: https://reviews.llvm.org/D54606 llvm-svn: 347231
194 lines
8.6 KiB
LLVM
194 lines
8.6 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=fiji -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s
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; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s
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; RUN: opt -S -mtriple=amdgcn-- -data-layout=A5 -mcpu=fiji -amdgpu-promote-alloca < %s | FileCheck -check-prefix=OPT %s
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; GCN-LABEL: {{^}}float4_alloca_store4:
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; OPT-LABEL: define amdgpu_kernel void @float4_alloca_store4
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; GCN-NOT: buffer_
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; GCN: v_cndmask_b32
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; GCN: v_cndmask_b32
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; GCN: v_cndmask_b32_e32 [[RES:v[0-9]+]], 4.0,
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; GCN: store_dword v[{{[0-9:]+}}], [[RES]]
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; OPT: %gep = getelementptr inbounds <4 x float>, <4 x float> addrspace(5)* %alloca, i32 0, i32 %sel2
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; OPT: store <4 x float> <float 1.000000e+00, float 2.000000e+00, float 3.000000e+00, float 4.000000e+00>, <4 x float> addrspace(5)* %alloca, align 4
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; OPT: %0 = load <4 x float>, <4 x float> addrspace(5)* %alloca
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; OPT: %1 = extractelement <4 x float> %0, i32 %sel2
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; OPT: store float %1, float addrspace(1)* %out, align 4
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define amdgpu_kernel void @float4_alloca_store4(float addrspace(1)* %out, float addrspace(3)* %dummy_lds) {
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entry:
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%alloca = alloca <4 x float>, align 16, addrspace(5)
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%x = tail call i32 @llvm.amdgcn.workitem.id.x()
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%y = tail call i32 @llvm.amdgcn.workitem.id.y()
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%c1 = icmp uge i32 %x, 3
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%c2 = icmp uge i32 %y, 3
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%sel1 = select i1 %c1, i32 1, i32 2
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%sel2 = select i1 %c2, i32 0, i32 %sel1
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%gep = getelementptr inbounds <4 x float>, <4 x float> addrspace(5)* %alloca, i32 0, i32 %sel2
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store <4 x float> <float 1.0, float 2.0, float 3.0, float 4.0>, <4 x float> addrspace(5)* %alloca, align 4
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%load = load float, float addrspace(5)* %gep, align 4
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store float %load, float addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}float4_alloca_load4:
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; OPT-LABEL: define amdgpu_kernel void @float4_alloca_load4
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; GCN-NOT: v_movrel
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; GCN-NOT: buffer_
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; GCN-NOT: v_cmp_
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; GCN-NOT: v_cndmask_
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; GCN: v_mov_b32_e32 [[ONE:v[0-9]+]], 1.0
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; GCN: v_mov_b32_e32 v{{[0-9]+}}, [[ONE]]
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; GCN: v_mov_b32_e32 v{{[0-9]+}}, [[ONE]]
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; GCN: v_mov_b32_e32 v{{[0-9]+}}, [[ONE]]
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; GCN: store_dwordx4 v[{{[0-9:]+}}],
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; OPT: %gep = getelementptr inbounds <4 x float>, <4 x float> addrspace(5)* %alloca, i32 0, i32 %sel2
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; OPT: %0 = load <4 x float>, <4 x float> addrspace(5)* %alloca
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; OPT: %1 = insertelement <4 x float> %0, float 1.000000e+00, i32 %sel2
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; OPT: store <4 x float> %1, <4 x float> addrspace(5)* %alloca
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; OPT: %load = load <4 x float>, <4 x float> addrspace(5)* %alloca, align 4
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; OPT: store <4 x float> %load, <4 x float> addrspace(1)* %out, align 4
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define amdgpu_kernel void @float4_alloca_load4(<4 x float> addrspace(1)* %out, float addrspace(3)* %dummy_lds) {
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entry:
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%alloca = alloca <4 x float>, align 16, addrspace(5)
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%x = tail call i32 @llvm.amdgcn.workitem.id.x()
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%y = tail call i32 @llvm.amdgcn.workitem.id.y()
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%c1 = icmp uge i32 %x, 3
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%c2 = icmp uge i32 %y, 3
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%sel1 = select i1 %c1, i32 1, i32 2
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%sel2 = select i1 %c2, i32 0, i32 %sel1
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%gep = getelementptr inbounds <4 x float>, <4 x float> addrspace(5)* %alloca, i32 0, i32 %sel2
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store float 1.0, float addrspace(5)* %gep, align 4
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%load = load <4 x float>, <4 x float> addrspace(5)* %alloca, align 4
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store <4 x float> %load, <4 x float> addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}half4_alloca_store4:
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; OPT-LABEL: define amdgpu_kernel void @half4_alloca_store4
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; GCN-NOT: buffer_
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; GCN-DAG: s_mov_b32 s[[SH:[0-9]+]], 0x44004200
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; GCN-DAG: s_mov_b32 s[[SL:[0-9]+]], 0x40003c00
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; GCN: v_lshrrev_b64 v[{{[0-9:]+}}], v{{[0-9]+}}, s{{\[}}[[SL]]:[[SH]]]
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; OPT: %gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(5)* %alloca, i32 0, i32 %sel2
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; OPT: store <4 x half> <half 0xH3C00, half 0xH4000, half 0xH4200, half 0xH4400>, <4 x half> addrspace(5)* %alloca, align 2
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; OPT: %0 = load <4 x half>, <4 x half> addrspace(5)* %alloca
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; OPT: %1 = extractelement <4 x half> %0, i32 %sel2
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; OPT: store half %1, half addrspace(1)* %out, align 2
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define amdgpu_kernel void @half4_alloca_store4(half addrspace(1)* %out, half addrspace(3)* %dummy_lds) {
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entry:
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%alloca = alloca <4 x half>, align 16, addrspace(5)
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%x = tail call i32 @llvm.amdgcn.workitem.id.x()
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%y = tail call i32 @llvm.amdgcn.workitem.id.y()
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%c1 = icmp uge i32 %x, 3
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%c2 = icmp uge i32 %y, 3
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%sel1 = select i1 %c1, i32 1, i32 2
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%sel2 = select i1 %c2, i32 0, i32 %sel1
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%gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(5)* %alloca, i32 0, i32 %sel2
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store <4 x half> <half 1.0, half 2.0, half 3.0, half 4.0>, <4 x half> addrspace(5)* %alloca, align 2
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%load = load half, half addrspace(5)* %gep, align 2
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store half %load, half addrspace(1)* %out, align 2
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ret void
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}
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; GCN-LABEL: {{^}}half4_alloca_load4:
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; OPT-LABEL: define amdgpu_kernel void @half4_alloca_load4
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; GCN-NOT: buffer_
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; GCN-DAG: s_mov_b32 s[[SH:[0-9]+]], 0
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; GCN-DAG: s_mov_b32 s[[SL:[0-9]+]], 0xffff
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; OPT: %gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(5)* %alloca, i32 0, i32 %sel2
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; OPT: %0 = load <4 x half>, <4 x half> addrspace(5)* %alloca
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; OPT: %1 = insertelement <4 x half> %0, half 0xH3C00, i32 %sel2
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; OPT: store <4 x half> %1, <4 x half> addrspace(5)* %alloca
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; OPT: %load = load <4 x half>, <4 x half> addrspace(5)* %alloca, align 2
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; OPT: store <4 x half> %load, <4 x half> addrspace(1)* %out, align 2
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define amdgpu_kernel void @half4_alloca_load4(<4 x half> addrspace(1)* %out, half addrspace(3)* %dummy_lds) {
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entry:
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%alloca = alloca <4 x half>, align 16, addrspace(5)
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%x = tail call i32 @llvm.amdgcn.workitem.id.x()
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%y = tail call i32 @llvm.amdgcn.workitem.id.y()
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%c1 = icmp uge i32 %x, 3
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%c2 = icmp uge i32 %y, 3
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%sel1 = select i1 %c1, i32 1, i32 2
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%sel2 = select i1 %c2, i32 0, i32 %sel1
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%gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(5)* %alloca, i32 0, i32 %sel2
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store half 1.0, half addrspace(5)* %gep, align 4
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%load = load <4 x half>, <4 x half> addrspace(5)* %alloca, align 2
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store <4 x half> %load, <4 x half> addrspace(1)* %out, align 2
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ret void
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}
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; GCN-LABEL: {{^}}short4_alloca_store4:
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; OPT-LABEL: define amdgpu_kernel void @short4_alloca_store4
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; GCN-NOT: buffer_
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; GCN-DAG: s_mov_b32 s[[SH:[0-9]+]], 0x40003
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; GCN-DAG: s_mov_b32 s[[SL:[0-9]+]], 0x20001
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; GCN: v_lshrrev_b64 v[{{[0-9:]+}}], v{{[0-9]+}}, s{{\[}}[[SL]]:[[SH]]]
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; OPT: %gep = getelementptr inbounds <4 x i16>, <4 x i16> addrspace(5)* %alloca, i32 0, i32 %sel2
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; OPT: store <4 x i16> <i16 1, i16 2, i16 3, i16 4>, <4 x i16> addrspace(5)* %alloca, align 2
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; OPT: %0 = load <4 x i16>, <4 x i16> addrspace(5)* %alloca
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; OPT: %1 = extractelement <4 x i16> %0, i32 %sel2
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; OPT: store i16 %1, i16 addrspace(1)* %out, align 2
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define amdgpu_kernel void @short4_alloca_store4(i16 addrspace(1)* %out, i16 addrspace(3)* %dummy_lds) {
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entry:
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%alloca = alloca <4 x i16>, align 16, addrspace(5)
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%x = tail call i32 @llvm.amdgcn.workitem.id.x()
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%y = tail call i32 @llvm.amdgcn.workitem.id.y()
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%c1 = icmp uge i32 %x, 3
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%c2 = icmp uge i32 %y, 3
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%sel1 = select i1 %c1, i32 1, i32 2
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%sel2 = select i1 %c2, i32 0, i32 %sel1
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%gep = getelementptr inbounds <4 x i16>, <4 x i16> addrspace(5)* %alloca, i32 0, i32 %sel2
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store <4 x i16> <i16 1, i16 2, i16 3, i16 4>, <4 x i16> addrspace(5)* %alloca, align 2
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%load = load i16, i16 addrspace(5)* %gep, align 2
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store i16 %load, i16 addrspace(1)* %out, align 2
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ret void
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}
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; GCN-LABEL: {{^}}short4_alloca_load4:
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; OPT-LABEL: define amdgpu_kernel void @short4_alloca_load4
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; GCN-NOT: buffer_
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; GCN-DAG: s_mov_b32 s[[SH:[0-9]+]], 0
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; GCN-DAG: s_mov_b32 s[[SL:[0-9]+]], 0xffff
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; OPT: %gep = getelementptr inbounds <4 x i16>, <4 x i16> addrspace(5)* %alloca, i32 0, i32 %sel2
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; OPT: %0 = load <4 x i16>, <4 x i16> addrspace(5)* %alloca
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; OPT: %1 = insertelement <4 x i16> %0, i16 1, i32 %sel2
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; OPT: store <4 x i16> %1, <4 x i16> addrspace(5)* %alloca
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; OPT: %load = load <4 x i16>, <4 x i16> addrspace(5)* %alloca, align 2
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; OPT: store <4 x i16> %load, <4 x i16> addrspace(1)* %out, align 2
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define amdgpu_kernel void @short4_alloca_load4(<4 x i16> addrspace(1)* %out, i16 addrspace(3)* %dummy_lds) {
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entry:
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%alloca = alloca <4 x i16>, align 16, addrspace(5)
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%x = tail call i32 @llvm.amdgcn.workitem.id.x()
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%y = tail call i32 @llvm.amdgcn.workitem.id.y()
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%c1 = icmp uge i32 %x, 3
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%c2 = icmp uge i32 %y, 3
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%sel1 = select i1 %c1, i32 1, i32 2
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%sel2 = select i1 %c2, i32 0, i32 %sel1
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%gep = getelementptr inbounds <4 x i16>, <4 x i16> addrspace(5)* %alloca, i32 0, i32 %sel2
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store i16 1, i16 addrspace(5)* %gep, align 4
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%load = load <4 x i16>, <4 x i16> addrspace(5)* %alloca, align 2
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store <4 x i16> %load, <4 x i16> addrspace(1)* %out, align 2
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ret void
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}
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declare i32 @llvm.amdgcn.workitem.id.x()
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declare i32 @llvm.amdgcn.workitem.id.y()
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