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https://github.com/RPCS3/llvm-mirror.git
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3a9a1ac61b
For some reason there are both of these available, except for scalar 64-bit compares which only has u64. I'm not sure why there are both (I'm guessing it's for the one bit inputs we don't use), but for consistency always using the unsigned one. llvm-svn: 282832
254 lines
9.7 KiB
LLVM
254 lines
9.7 KiB
LLVM
; RUN: llc -march=amdgcn -mtriple=amdgcn-amd-amdhsa -mattr=-promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=HSA %s
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; HSA-LABEL: {{^}}use_group_to_flat_addrspacecast:
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; HSA: enable_sgpr_private_segment_buffer = 1
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; HSA: enable_sgpr_dispatch_ptr = 0
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; HSA: enable_sgpr_queue_ptr = 1
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; HSA-DAG: s_load_dword [[PTR:s[0-9]+]], s[6:7], 0x0{{$}}
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; HSA-DAG: s_load_dword [[APERTURE:s[0-9]+]], s[4:5], 0x10{{$}}
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; HSA-DAG: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], [[APERTURE]]
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; HSA-DAG: v_mov_b32_e32 [[VPTR:v[0-9]+]], [[PTR]]
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; HSA-DAG: v_cmp_ne_u32_e64 vcc, [[PTR]], -1
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; HSA-DAG: v_cndmask_b32_e32 v[[HI:[0-9]+]], 0, [[VAPERTURE]]
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; HSA-DAG: v_cndmask_b32_e32 v[[LO:[0-9]+]], 0, [[VPTR]]
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; HSA-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7
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; HSA: flat_store_dword v{{\[}}[[LO]]:[[HI]]{{\]}}, [[K]]
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define void @use_group_to_flat_addrspacecast(i32 addrspace(3)* %ptr) #0 {
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%stof = addrspacecast i32 addrspace(3)* %ptr to i32 addrspace(4)*
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store volatile i32 7, i32 addrspace(4)* %stof
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ret void
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}
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; HSA-LABEL: {{^}}use_private_to_flat_addrspacecast:
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; HSA: enable_sgpr_private_segment_buffer = 1
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; HSA: enable_sgpr_dispatch_ptr = 0
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; HSA: enable_sgpr_queue_ptr = 1
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; HSA-DAG: s_load_dword [[PTR:s[0-9]+]], s[6:7], 0x0{{$}}
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; HSA-DAG: s_load_dword [[APERTURE:s[0-9]+]], s[4:5], 0x11{{$}}
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; HSA-DAG: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], [[APERTURE]]
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; HSA-DAG: v_mov_b32_e32 [[VPTR:v[0-9]+]], [[PTR]]
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; HSA-DAG: v_cmp_ne_u32_e64 vcc, [[PTR]], -1
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; HSA-DAG: v_cndmask_b32_e32 v[[HI:[0-9]+]], 0, [[VAPERTURE]]
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; HSA-DAG: v_cndmask_b32_e32 v[[LO:[0-9]+]], 0, [[VPTR]]
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; HSA-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7
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; HSA: flat_store_dword v{{\[}}[[LO]]:[[HI]]{{\]}}, [[K]]
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define void @use_private_to_flat_addrspacecast(i32* %ptr) #0 {
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%stof = addrspacecast i32* %ptr to i32 addrspace(4)*
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store volatile i32 7, i32 addrspace(4)* %stof
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ret void
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}
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; no-op
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; HSA-LABEL: {{^}}use_global_to_flat_addrspacecast:
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; HSA: enable_sgpr_queue_ptr = 0
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; HSA: s_load_dwordx2 s{{\[}}[[PTRLO:[0-9]+]]:[[PTRHI:[0-9]+]]{{\]}}
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; HSA-DAG: v_mov_b32_e32 v[[VPTRLO:[0-9]+]], s[[PTRLO]]
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; HSA-DAG: v_mov_b32_e32 v[[VPTRHI:[0-9]+]], s[[PTRHI]]
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; HSA-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7
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; HSA: flat_store_dword v{{\[}}[[VPTRLO]]:[[VPTRHI]]{{\]}}, [[K]]
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define void @use_global_to_flat_addrspacecast(i32 addrspace(1)* %ptr) #0 {
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%stof = addrspacecast i32 addrspace(1)* %ptr to i32 addrspace(4)*
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store volatile i32 7, i32 addrspace(4)* %stof
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ret void
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}
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; no-op
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; HSA-LABEl: {{^}}use_constant_to_flat_addrspacecast:
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; HSA: s_load_dwordx2 s{{\[}}[[PTRLO:[0-9]+]]:[[PTRHI:[0-9]+]]{{\]}}
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; HSA-DAG: v_mov_b32_e32 v[[VPTRLO:[0-9]+]], s[[PTRLO]]
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; HSA-DAG: v_mov_b32_e32 v[[VPTRHI:[0-9]+]], s[[PTRHI]]
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; HSA: flat_load_dword v{{[0-9]+}}, v{{\[}}[[VPTRLO]]:[[VPTRHI]]{{\]}}
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define void @use_constant_to_flat_addrspacecast(i32 addrspace(2)* %ptr) #0 {
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%stof = addrspacecast i32 addrspace(2)* %ptr to i32 addrspace(4)*
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%ld = load volatile i32, i32 addrspace(4)* %stof
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ret void
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}
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; HSA-LABEL: {{^}}use_flat_to_group_addrspacecast:
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; HSA: enable_sgpr_private_segment_buffer = 1
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; HSA: enable_sgpr_dispatch_ptr = 0
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; HSA: enable_sgpr_queue_ptr = 0
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; HSA: s_load_dwordx2 s{{\[}}[[PTR_LO:[0-9]+]]:[[PTR_HI:[0-9]+]]{{\]}}
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; HSA-DAG: v_cmp_ne_u64_e64 vcc, s{{\[}}[[PTR_LO]]:[[PTR_HI]]{{\]}}, 0{{$}}
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; HSA-DAG: v_mov_b32_e32 v[[VPTR_LO:[0-9]+]], s[[PTR_LO]]
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; HSA-DAG: v_cndmask_b32_e32 [[CASTPTR:v[0-9]+]], -1, v[[VPTR_LO]]
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; HSA-DAG: v_mov_b32_e32 v[[K:[0-9]+]], 0{{$}}
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; HSA: ds_write_b32 [[CASTPTR]], v[[K]]
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define void @use_flat_to_group_addrspacecast(i32 addrspace(4)* %ptr) #0 {
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%ftos = addrspacecast i32 addrspace(4)* %ptr to i32 addrspace(3)*
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store volatile i32 0, i32 addrspace(3)* %ftos
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ret void
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}
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; HSA-LABEL: {{^}}use_flat_to_private_addrspacecast:
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; HSA: enable_sgpr_private_segment_buffer = 1
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; HSA: enable_sgpr_dispatch_ptr = 0
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; HSA: enable_sgpr_queue_ptr = 0
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; HSA: s_load_dwordx2 s{{\[}}[[PTR_LO:[0-9]+]]:[[PTR_HI:[0-9]+]]{{\]}}
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; HSA-DAG: v_cmp_ne_u64_e64 vcc, s{{\[}}[[PTR_LO]]:[[PTR_HI]]{{\]}}, 0{{$}}
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; HSA-DAG: v_mov_b32_e32 v[[VPTR_LO:[0-9]+]], s[[PTR_LO]]
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; HSA-DAG: v_cndmask_b32_e32 [[CASTPTR:v[0-9]+]], -1, v[[VPTR_LO]]
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; HSA-DAG: v_mov_b32_e32 v[[K:[0-9]+]], 0{{$}}
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; HSA: buffer_store_dword v[[K]], [[CASTPTR]], s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen{{$}}
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define void @use_flat_to_private_addrspacecast(i32 addrspace(4)* %ptr) #0 {
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%ftos = addrspacecast i32 addrspace(4)* %ptr to i32*
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store volatile i32 0, i32* %ftos
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ret void
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}
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; HSA-LABEL: {{^}}use_flat_to_global_addrspacecast:
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; HSA: enable_sgpr_queue_ptr = 0
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; HSA: s_load_dwordx2 s{{\[}}[[PTRLO:[0-9]+]]:[[PTRHI:[0-9]+]]{{\]}}, s[4:5], 0x0
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; HSA-DAG: v_mov_b32_e32 v[[VPTRLO:[0-9]+]], s[[PTRLO]]
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; HSA-DAG: v_mov_b32_e32 v[[VPTRHI:[0-9]+]], s[[PTRHI]]
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; HSA-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 0
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; HSA: flat_store_dword v{{\[}}[[VPTRLO]]:[[VPTRHI]]{{\]}}, [[K]]
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define void @use_flat_to_global_addrspacecast(i32 addrspace(4)* %ptr) #0 {
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%ftos = addrspacecast i32 addrspace(4)* %ptr to i32 addrspace(1)*
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store volatile i32 0, i32 addrspace(1)* %ftos
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ret void
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}
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; HSA-LABEL: {{^}}use_flat_to_constant_addrspacecast:
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; HSA: enable_sgpr_queue_ptr = 0
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; HSA: s_load_dwordx2 s{{\[}}[[PTRLO:[0-9]+]]:[[PTRHI:[0-9]+]]{{\]}}, s[4:5], 0x0
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; HSA: s_load_dword s{{[0-9]+}}, s{{\[}}[[PTRLO]]:[[PTRHI]]{{\]}}, 0x0
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define void @use_flat_to_constant_addrspacecast(i32 addrspace(4)* %ptr) #0 {
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%ftos = addrspacecast i32 addrspace(4)* %ptr to i32 addrspace(2)*
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load volatile i32, i32 addrspace(2)* %ftos
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ret void
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}
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; HSA-LABEL: {{^}}cast_0_group_to_flat_addrspacecast:
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; HSA: s_load_dword [[APERTURE:s[0-9]+]], s[4:5], 0x10
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; HSA-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], [[APERTURE]]
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; HSA-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
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; HSA-DAG: v_mov_b32_e32 v[[K:[0-9]+]], 7{{$}}
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; HSA: flat_store_dword v{{\[}}[[LO]]:[[HI]]{{\]}}, v[[K]]
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define void @cast_0_group_to_flat_addrspacecast() #0 {
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%cast = addrspacecast i32 addrspace(3)* null to i32 addrspace(4)*
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store i32 7, i32 addrspace(4)* %cast
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ret void
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}
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; HSA-LABEL: {{^}}cast_0_flat_to_group_addrspacecast:
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; HSA-DAG: v_mov_b32_e32 [[PTR:v[0-9]+]], -1{{$}}
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; HSA-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7{{$}}
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; HSA: ds_write_b32 [[PTR]], [[K]]
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define void @cast_0_flat_to_group_addrspacecast() #0 {
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%cast = addrspacecast i32 addrspace(4)* null to i32 addrspace(3)*
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store i32 7, i32 addrspace(3)* %cast
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ret void
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}
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; HSA-LABEL: {{^}}cast_neg1_group_to_flat_addrspacecast:
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; HSA: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
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; HSA: v_mov_b32_e32 v[[K:[0-9]+]], 7{{$}}
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; HSA: v_mov_b32_e32 v[[HI:[0-9]+]], 0{{$}}
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; HSA: flat_store_dword v{{\[}}[[LO]]:[[HI]]{{\]}}, v[[K]]
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define void @cast_neg1_group_to_flat_addrspacecast() #0 {
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%cast = addrspacecast i32 addrspace(3)* inttoptr (i32 -1 to i32 addrspace(3)*) to i32 addrspace(4)*
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store i32 7, i32 addrspace(4)* %cast
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ret void
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}
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; HSA-LABEL: {{^}}cast_neg1_flat_to_group_addrspacecast:
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; HSA-DAG: v_mov_b32_e32 [[PTR:v[0-9]+]], -1{{$}}
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; HSA-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7{{$}}
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; HSA: ds_write_b32 [[PTR]], [[K]]
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define void @cast_neg1_flat_to_group_addrspacecast() #0 {
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%cast = addrspacecast i32 addrspace(4)* inttoptr (i64 -1 to i32 addrspace(4)*) to i32 addrspace(3)*
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store i32 7, i32 addrspace(3)* %cast
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ret void
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}
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; HSA-LABEL: {{^}}cast_0_private_to_flat_addrspacecast:
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; HSA: s_load_dword [[APERTURE:s[0-9]+]], s[4:5], 0x11
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; HSA-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], [[APERTURE]]
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; HSA-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
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; HSA-DAG: v_mov_b32_e32 v[[K:[0-9]+]], 7{{$}}
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; HSA: flat_store_dword v{{\[}}[[LO]]:[[HI]]{{\]}}, v[[K]]
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define void @cast_0_private_to_flat_addrspacecast() #0 {
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%cast = addrspacecast i32* null to i32 addrspace(4)*
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store i32 7, i32 addrspace(4)* %cast
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ret void
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}
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; HSA-LABEL: {{^}}cast_0_flat_to_private_addrspacecast:
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; HSA-DAG: v_mov_b32_e32 [[PTR:v[0-9]+]], -1{{$}}
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; HSA-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7{{$}}
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; HSA: buffer_store_dword [[K]], [[PTR]], s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen
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define void @cast_0_flat_to_private_addrspacecast() #0 {
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%cast = addrspacecast i32 addrspace(4)* null to i32 addrspace(0)*
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store i32 7, i32* %cast
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ret void
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}
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; Disable optimizations in case there are optimizations added that
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; specialize away generic pointer accesses.
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; HSA-LABEL: {{^}}branch_use_flat_i32:
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; HSA: flat_store_dword {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}}
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; HSA: s_endpgm
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define void @branch_use_flat_i32(i32 addrspace(1)* noalias %out, i32 addrspace(1)* %gptr, i32 addrspace(3)* %lptr, i32 %x, i32 %c) #0 {
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entry:
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%cmp = icmp ne i32 %c, 0
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br i1 %cmp, label %local, label %global
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local:
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%flat_local = addrspacecast i32 addrspace(3)* %lptr to i32 addrspace(4)*
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br label %end
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global:
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%flat_global = addrspacecast i32 addrspace(1)* %gptr to i32 addrspace(4)*
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br label %end
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end:
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%fptr = phi i32 addrspace(4)* [ %flat_local, %local ], [ %flat_global, %global ]
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store i32 %x, i32 addrspace(4)* %fptr, align 4
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; %val = load i32, i32 addrspace(4)* %fptr, align 4
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; store i32 %val, i32 addrspace(1)* %out, align 4
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ret void
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}
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; Check for prologue initializing special SGPRs pointing to scratch.
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; HSA-LABEL: {{^}}store_flat_scratch:
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; HSA-DAG: s_mov_b32 flat_scratch_lo, s9
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; HSA-DAG: s_add_u32 [[ADD:s[0-9]+]], s8, s11
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; HSA: s_lshr_b32 flat_scratch_hi, [[ADD]], 8
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; HSA: flat_store_dword
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; HSA: s_barrier
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; HSA: flat_load_dword
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define void @store_flat_scratch(i32 addrspace(1)* noalias %out, i32) #0 {
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%alloca = alloca i32, i32 9, align 4
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%x = call i32 @llvm.amdgcn.workitem.id.x() #2
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%pptr = getelementptr i32, i32* %alloca, i32 %x
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%fptr = addrspacecast i32* %pptr to i32 addrspace(4)*
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store i32 %x, i32 addrspace(4)* %fptr
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; Dummy call
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call void @llvm.amdgcn.s.barrier() #1
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%reload = load i32, i32 addrspace(4)* %fptr, align 4
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store i32 %reload, i32 addrspace(1)* %out, align 4
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ret void
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}
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declare void @llvm.amdgcn.s.barrier() #1
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declare i32 @llvm.amdgcn.workitem.id.x() #2
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attributes #0 = { nounwind }
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attributes #1 = { nounwind convergent }
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attributes #2 = { nounwind readnone }
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