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8b29545e5c
In particular it was not rematerializable. Differential Revision: https://reviews.llvm.org/D105724
410 lines
17 KiB
LLVM
410 lines
17 KiB
LLVM
; RUN: llc -march=amdgcn -mtriple=amdgcn-amd-amdhsa -mcpu=kaveri --amdhsa-code-object-version=2 -mattr=-promote-alloca -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=HSA -check-prefix=CI %s
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; RUN: llc -march=amdgcn -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 --amdhsa-code-object-version=2 -mattr=-promote-alloca -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=HSA -check-prefix=GFX9 %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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; CI: enable_sgpr_queue_ptr = 1
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; GFX9: enable_sgpr_queue_ptr = 0
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; CI-DAG: s_load_dword [[PTR:s[0-9]+]], s[6:7], 0x0{{$}}
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; CI-DAG: s_load_dword [[APERTURE:s[0-9]+]], s[4:5], 0x10{{$}}
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; CI-DAG: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], [[APERTURE]]
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; CI-DAG: v_cmp_ne_u32_e64 vcc, [[PTR]], -1
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; CI-DAG: v_cndmask_b32_e32 v[[HI:[0-9]+]], 0, [[VAPERTURE]], vcc
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; CI-DAG: v_mov_b32_e32 [[VPTR:v[0-9]+]], [[PTR]]
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; CI-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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; GFX9-DAG: s_load_dword [[PTR:s[0-9]+]], s[4:5], 0x0{{$}}
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; GFX9-DAG: s_getreg_b32 [[SSRC_SHARED:s[0-9]+]], hwreg(HW_REG_SH_MEM_BASES, 16, 16)
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; GFX9-DAG: s_lshl_b32 [[SSRC_SHARED_BASE:s[0-9]+]], [[SSRC_SHARED]], 16
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; GFX9-DAG: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], [[SSRC_SHARED_BASE]]
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; GFX9-XXX: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], src_shared_base
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; GFX9: v_cmp_ne_u32_e64 vcc, [[PTR]], -1
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; GFX9: v_cndmask_b32_e32 v[[HI:[0-9]+]], 0, [[VAPERTURE]], vcc
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; GFX9-DAG: v_mov_b32_e32 [[VPTR:v[0-9]+]], [[PTR]]
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; GFX9-DAG: v_cndmask_b32_e32 v[[LO:[0-9]+]], 0, [[VPTR]]
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; HSA: flat_store_dword v{{\[}}[[LO]]:[[HI]]{{\]}}, [[K]]
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; At most 2 digits. Make sure src_shared_base is not counted as a high
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; number SGPR.
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; CI: NumSgprs: {{[0-9][0-9]+}}
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; GFX9: NumSgprs: {{[0-9]+}}
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define amdgpu_kernel void @use_group_to_flat_addrspacecast(i32 addrspace(3)* %ptr) #0 {
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%stof = addrspacecast i32 addrspace(3)* %ptr to i32*
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store volatile i32 7, i32* %stof
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ret void
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}
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; Test handling inside a non-kernel
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; HSA-LABEL: {{^}}use_group_to_flat_addrspacecast_func:
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; CI-DAG: s_load_dword [[APERTURE:s[0-9]+]], s[4:5], 0x10{{$}}
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; CI-DAG: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], [[APERTURE]]
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; CI-DAG: v_cmp_ne_u32_e32 vcc, -1, v0
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; CI-DAG: v_cndmask_b32_e32 v[[HI:[0-9]+]], 0, [[VAPERTURE]], vcc
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; CI-DAG: v_cndmask_b32_e32 v[[LO:[0-9]+]], 0, v0
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; HSA-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7
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; GFX9-DAG: s_getreg_b32 [[SSRC_SHARED:s[0-9]+]], hwreg(HW_REG_SH_MEM_BASES, 16, 16)
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; GFX9-DAG: s_lshl_b32 [[SSRC_SHARED_BASE:s[0-9]+]], [[SSRC_SHARED]], 16
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; GFX9-DAG: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], [[SSRC_SHARED_BASE]]
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; GFX9-XXX: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], src_shared_base
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; GFX9-DAG: v_cmp_ne_u32_e32 vcc, -1, v0
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; GFX9-DAG: v_cndmask_b32_e32 v[[LO:[0-9]+]], 0, v0, vcc
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; GFX9-DAG: v_cndmask_b32_e32 v[[HI:[0-9]+]], 0, [[VAPERTURE]], vcc
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; HSA: flat_store_dword v{{\[}}[[LO]]:[[HI]]{{\]}}, [[K]]
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define void @use_group_to_flat_addrspacecast_func(i32 addrspace(3)* %ptr) #0 {
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%stof = addrspacecast i32 addrspace(3)* %ptr to i32*
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store volatile i32 7, i32* %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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; CI: enable_sgpr_queue_ptr = 1
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; GFX9: enable_sgpr_queue_ptr = 0
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; CI-DAG: s_load_dword [[PTR:s[0-9]+]], s[6:7], 0x0{{$}}
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; CI-DAG: s_load_dword [[APERTURE:s[0-9]+]], s[4:5], 0x11{{$}}
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; CI-DAG: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], [[APERTURE]]
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; CI-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7
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; CI-DAG: v_cmp_ne_u32_e64 vcc, [[PTR]], -1
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; CI-DAG: v_cndmask_b32_e32 v[[HI:[0-9]+]], 0, [[VAPERTURE]], vcc
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; CI-DAG: v_mov_b32_e32 [[VPTR:v[0-9]+]], [[PTR]]
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; CI-DAG: v_cndmask_b32_e32 v[[LO:[0-9]+]], 0, [[VPTR]]
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; GFX9-DAG: s_load_dword [[PTR:s[0-9]+]], s[4:5], 0x0{{$}}
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; GFX9-DAG: s_getreg_b32 [[SSRC_PRIVATE:s[0-9]+]], hwreg(HW_REG_SH_MEM_BASES, 0, 16)
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; GFX9-DAG: s_lshl_b32 [[SSRC_PRIVATE_BASE:s[0-9]+]], [[SSRC_PRIVATE]], 16
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; GFX9-DAG: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], [[SSRC_PRIVATE_BASE]]
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; GFX9-XXX: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], src_private_base
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; GFX9-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7
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; GFX9: v_cmp_ne_u32_e64 vcc, [[PTR]], -1
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; GFX9: v_cndmask_b32_e32 v[[HI:[0-9]+]], 0, [[VAPERTURE]], vcc
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; GFX9: v_mov_b32_e32 [[VPTR:v[0-9]+]], [[PTR]]
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; GFX9-DAG: v_cndmask_b32_e32 v[[LO:[0-9]+]], 0, [[VPTR]]
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; HSA: flat_store_dword v{{\[}}[[LO]]:[[HI]]{{\]}}, [[K]]
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; CI: NumSgprs: {{[0-9][0-9]+}}
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; GFX9: NumSgprs: {{[0-9]+}}
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define amdgpu_kernel void @use_private_to_flat_addrspacecast(i32 addrspace(5)* %ptr) #0 {
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%stof = addrspacecast i32 addrspace(5)* %ptr to i32*
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store volatile i32 7, i32* %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 amdgpu_kernel void @use_global_to_flat_addrspacecast(i32 addrspace(1)* %ptr) #0 {
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%stof = addrspacecast i32 addrspace(1)* %ptr to i32*
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store volatile i32 7, i32* %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 amdgpu_kernel void @use_constant_to_flat_addrspacecast(i32 addrspace(4)* %ptr) #0 {
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%stof = addrspacecast i32 addrspace(4)* %ptr to i32*
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%ld = load volatile i32, i32* %stof
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ret void
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}
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; HSA-LABEl: {{^}}use_constant_to_global_addrspacecast:
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; HSA: s_load_dwordx2 s{{\[}}[[PTRLO:[0-9]+]]:[[PTRHI:[0-9]+]]{{\]}}
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; CI-DAG: v_mov_b32_e32 v[[VPTRLO:[0-9]+]], s[[PTRLO]]
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; CI-DAG: v_mov_b32_e32 v[[VPTRHI:[0-9]+]], s[[PTRHI]]
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; CI: {{flat|global}}_load_dword v{{[0-9]+}}, v{{\[}}[[VPTRLO]]:[[VPTRHI]]{{\]}}
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; GFX9: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}}
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; GFX9: global_load_dword v{{[0-9]+}}, [[ZERO:v[0-9]+]], s{{\[}}[[PTRLO]]:[[PTRHI]]{{\]}}
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define amdgpu_kernel void @use_constant_to_global_addrspacecast(i32 addrspace(4)* %ptr) #0 {
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%stof = addrspacecast i32 addrspace(4)* %ptr to i32 addrspace(1)*
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%ld = load volatile i32, i32 addrspace(1)* %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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; CI-DAG: v_cmp_ne_u64_e64 vcc, s{{\[}}[[PTR_LO]]:[[PTR_HI]]{{\]}}, 0{{$}}
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; CI-DAG: v_mov_b32_e32 v[[VPTR_LO:[0-9]+]], s[[PTR_LO]]
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; CI-DAG: v_cndmask_b32_e32 [[CASTPTR:v[0-9]+]], -1, v[[VPTR_LO]]
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; HSA-DAG: v_mov_b32_e32 v[[K:[0-9]+]], 0{{$}}
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; GFX9-DAG: s_cmp_lg_u64 s{{\[}}[[CMP_LO:[0-9]+]]:[[CMP_HI:[0-9]+]]{{\]}}, 0
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; GFX9-DAG: s_cselect_b32 s[[PTR_LO]], s[[PTR_LO]], -1
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; GFX9-DAG: v_mov_b32_e32 [[CASTPTR:v[0-9]+]], s[[PTR_LO]]
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; HSA: ds_write_b32 [[CASTPTR]], v[[K]]
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define amdgpu_kernel void @use_flat_to_group_addrspacecast(i32* %ptr) #0 {
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%ftos = addrspacecast i32* %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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; CI-DAG: v_cmp_ne_u64_e64 vcc, s{{\[}}[[PTR_LO]]:[[PTR_HI]]{{\]}}, 0{{$}}
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; CI-DAG: v_mov_b32_e32 v[[VPTR_LO:[0-9]+]], s[[PTR_LO]]
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; CI-DAG: v_cndmask_b32_e32 [[CASTPTR:v[0-9]+]], -1, v[[VPTR_LO]]
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; HSA-DAG: v_mov_b32_e32 v[[K:[0-9]+]], 0{{$}}
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; GFX9-DAG: s_cmp_lg_u64 s{{\[}}[[CMP_LO:[0-9]+]]:[[CMP_HI:[0-9]+]]{{\]}}, 0
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; GFX9-DAG: s_cselect_b32 s[[PTR_LO]], s[[PTR_LO]], -1
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; GFX9-DAG: v_mov_b32_e32 [[CASTPTR:v[0-9]+]], s[[PTR_LO]]
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; HSA: buffer_store_dword v[[K]], [[CASTPTR]], s{{\[[0-9]+:[0-9]+\]}}, 0 offen{{$}}
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define amdgpu_kernel void @use_flat_to_private_addrspacecast(i32* %ptr) #0 {
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%ftos = addrspacecast i32* %ptr to i32 addrspace(5)*
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store volatile i32 0, i32 addrspace(5)* %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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; CI-DAG: v_mov_b32_e32 v[[VPTRLO:[0-9]+]], s[[PTRLO]]
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; CI-DAG: v_mov_b32_e32 v[[VPTRHI:[0-9]+]], s[[PTRHI]]
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; CI-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 0
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; CI: flat_store_dword v{{\[}}[[VPTRLO]]:[[VPTRHI]]{{\]}}, [[K]]
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; GFX9: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0
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; GFX9: global_store_dword [[ZERO]], [[ZERO]], s{{\[}}[[PTRLO]]:[[PTRHI]]{{\]$}}
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define amdgpu_kernel void @use_flat_to_global_addrspacecast(i32* %ptr) #0 {
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%ftos = addrspacecast i32* %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 amdgpu_kernel void @use_flat_to_constant_addrspacecast(i32* %ptr) #0 {
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%ftos = addrspacecast i32* %ptr to i32 addrspace(4)*
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load volatile i32, i32 addrspace(4)* %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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; CI: s_load_dword [[APERTURE:s[0-9]+]], s[4:5], 0x10
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; CI-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], [[APERTURE]]
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; GFX9-DAG: s_getreg_b32 [[SSRC_SHARED:s[0-9]+]], hwreg(HW_REG_SH_MEM_BASES, 16, 16)
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; GFX9-DAG: s_lshl_b32 [[SSRC_SHARED_BASE:s[0-9]+]], [[SSRC_SHARED]], 16
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; GFX9-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], [[SSRC_SHARED_BASE]]
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; GFX9-XXX: v_mov_b32_e32 v[[HI:[0-9]+]], src_shared_base
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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|global}}_store_dword v{{\[}}[[LO]]:[[HI]]{{\]}}, v[[K]]
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define amdgpu_kernel void @cast_0_group_to_flat_addrspacecast() #0 {
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%cast = addrspacecast i32 addrspace(3)* null to i32*
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store volatile i32 7, i32* %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 amdgpu_kernel void @cast_0_flat_to_group_addrspacecast() #0 {
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%cast = addrspacecast i32* null to i32 addrspace(3)*
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store volatile 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{{$}}
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; HSA-DAG: v_mov_b32_e32 v[[K:[0-9]+]], 7{{$}}
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; HSA-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0{{$}}
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; HSA: {{flat|global}}_store_dword v{{\[}}[[LO]]:[[HI]]{{\]}}, v[[K]]
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define amdgpu_kernel 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*
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store volatile i32 7, i32* %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 amdgpu_kernel void @cast_neg1_flat_to_group_addrspacecast() #0 {
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%cast = addrspacecast i32* inttoptr (i64 -1 to i32*) to i32 addrspace(3)*
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store volatile i32 7, i32 addrspace(3)* %cast
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ret void
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}
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; FIXME: Shouldn't need to enable queue ptr
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; HSA-LABEL: {{^}}cast_0_private_to_flat_addrspacecast:
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; CI: s_load_dword [[APERTURE:s[0-9]+]], s[4:5], 0x11
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; CI-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], [[APERTURE]]
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; GFX9-DAG: s_getreg_b32 [[SSRC_SHARED:s[0-9]+]], hwreg(HW_REG_SH_MEM_BASES, 0, 16)
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; GFX9-DAG: s_lshl_b32 [[SSRC_SHARED_BASE:s[0-9]+]], [[SSRC_SHARED]], 16
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; GFX9-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], [[SSRC_SHARED_BASE]]
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; GFX9-XXX: v_mov_b32_e32 v[[HI:[0-9]+]], src_shared_base
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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|global}}_store_dword v{{\[}}[[LO]]:[[HI]]{{\]}}, v[[K]]
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define amdgpu_kernel void @cast_0_private_to_flat_addrspacecast() #0 {
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%cast = addrspacecast i32 addrspace(5)* null to i32*
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store volatile i32 7, i32* %cast
|
|
ret void
|
|
}
|
|
|
|
; HSA-LABEL: {{^}}cast_0_flat_to_private_addrspacecast:
|
|
; HSA-DAG: v_mov_b32_e32 [[PTR:v[0-9]+]], -1{{$}}
|
|
; HSA-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7{{$}}
|
|
; HSA: buffer_store_dword [[K]], [[PTR]], s{{\[[0-9]+:[0-9]+\]}}, 0
|
|
define amdgpu_kernel void @cast_0_flat_to_private_addrspacecast() #0 {
|
|
%cast = addrspacecast i32* null to i32 addrspace(5)*
|
|
store volatile i32 7, i32 addrspace(5)* %cast
|
|
ret void
|
|
}
|
|
|
|
|
|
; HSA-LABEL: {{^}}cast_neg1_private_to_flat_addrspacecast:
|
|
; CI: enable_sgpr_queue_ptr = 1
|
|
; GFX9: enable_sgpr_queue_ptr = 0
|
|
|
|
; HSA: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
|
|
; HSA-DAG: v_mov_b32_e32 v[[K:[0-9]+]], 7{{$}}
|
|
; HSA-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0{{$}}
|
|
; HSA: {{flat|global}}_store_dword v{{\[}}[[LO]]:[[HI]]{{\]}}, v[[K]]
|
|
define amdgpu_kernel void @cast_neg1_private_to_flat_addrspacecast() #0 {
|
|
%cast = addrspacecast i32 addrspace(5)* inttoptr (i32 -1 to i32 addrspace(5)*) to i32*
|
|
store volatile i32 7, i32* %cast
|
|
ret void
|
|
}
|
|
|
|
; HSA-LABEL: {{^}}cast_neg1_flat_to_private_addrspacecast:
|
|
; HSA-DAG: v_mov_b32_e32 [[PTR:v[0-9]+]], -1{{$}}
|
|
; HSA-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7{{$}}
|
|
; HSA: buffer_store_dword [[K]], [[PTR]], s{{\[[0-9]+:[0-9]+\]}}, 0
|
|
define amdgpu_kernel void @cast_neg1_flat_to_private_addrspacecast() #0 {
|
|
%cast = addrspacecast i32* inttoptr (i64 -1 to i32*) to i32 addrspace(5)*
|
|
store volatile i32 7, i32 addrspace(5)* %cast
|
|
ret void
|
|
}
|
|
|
|
|
|
; Disable optimizations in case there are optimizations added that
|
|
; specialize away generic pointer accesses.
|
|
|
|
; HSA-LABEL: {{^}}branch_use_flat_i32:
|
|
; HSA: {{flat|global}}_store_dword {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}}
|
|
; HSA: s_endpgm
|
|
define amdgpu_kernel void @branch_use_flat_i32(i32 addrspace(1)* noalias %out, i32 addrspace(1)* %gptr, i32 addrspace(3)* %lptr, i32 %x, i32 %c) #0 {
|
|
entry:
|
|
%cmp = icmp ne i32 %c, 0
|
|
br i1 %cmp, label %local, label %global
|
|
|
|
local:
|
|
%flat_local = addrspacecast i32 addrspace(3)* %lptr to i32*
|
|
br label %end
|
|
|
|
global:
|
|
%flat_global = addrspacecast i32 addrspace(1)* %gptr to i32*
|
|
br label %end
|
|
|
|
end:
|
|
%fptr = phi i32* [ %flat_local, %local ], [ %flat_global, %global ]
|
|
store volatile i32 %x, i32* %fptr, align 4
|
|
; %val = load i32, i32* %fptr, align 4
|
|
; store i32 %val, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; Check for prologue initializing special SGPRs pointing to scratch.
|
|
; HSA-LABEL: {{^}}store_flat_scratch:
|
|
; CI-DAG: s_mov_b32 flat_scratch_lo, s9
|
|
; CI-DAG: s_add_i32 [[ADD:s[0-9]+]], s8, s11
|
|
; CI-DAG: s_lshr_b32 flat_scratch_hi, [[ADD]], 8
|
|
|
|
; GFX9: s_add_u32 flat_scratch_lo, s6, s9
|
|
; GFX9: s_addc_u32 flat_scratch_hi, s7, 0
|
|
|
|
; HSA: {{flat|global}}_store_dword
|
|
; HSA: s_barrier
|
|
; HSA: {{flat|global}}_load_dword
|
|
define amdgpu_kernel void @store_flat_scratch(i32 addrspace(1)* noalias %out, i32) #0 {
|
|
%alloca = alloca i32, i32 9, align 4, addrspace(5)
|
|
%x = call i32 @llvm.amdgcn.workitem.id.x() #2
|
|
%pptr = getelementptr i32, i32 addrspace(5)* %alloca, i32 %x
|
|
%fptr = addrspacecast i32 addrspace(5)* %pptr to i32*
|
|
store volatile i32 %x, i32* %fptr
|
|
; Dummy call
|
|
call void @llvm.amdgcn.s.barrier() #1
|
|
%reload = load volatile i32, i32* %fptr, align 4
|
|
store volatile i32 %reload, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; HSA-LABEL: {{^}}use_constant_to_constant32_addrspacecast
|
|
; GFX9: s_load_dwordx2 [[PTRPTR:s\[[0-9]+:[0-9]+\]]], s[4:5], 0x0{{$}}
|
|
; GFX9: s_load_dword [[OFFSET:s[0-9]+]], s[4:5], 0x8{{$}}
|
|
; GFX9: s_load_dwordx2 s{{\[}}[[PTR_LO:[0-9]+]]:[[PTR_HI:[0-9]+]]{{\]}}, [[PTRPTR]], 0x0{{$}}
|
|
; GFX9: s_mov_b32 s[[PTR_HI]], 0{{$}}
|
|
; GFX9: s_add_i32 s[[PTR_LO]], s[[PTR_LO]], [[OFFSET]]
|
|
; GFX9: s_load_dword s{{[0-9]+}}, s{{\[}}[[PTR_LO]]:[[PTR_HI]]{{\]}}, 0x0{{$}}
|
|
define amdgpu_kernel void @use_constant_to_constant32_addrspacecast(i8 addrspace(4)* addrspace(4)* %ptr.ptr, i32 %offset) #0 {
|
|
%ptr = load volatile i8 addrspace(4)*, i8 addrspace(4)* addrspace(4)* %ptr.ptr
|
|
%addrspacecast = addrspacecast i8 addrspace(4)* %ptr to i8 addrspace(6)*
|
|
%gep = getelementptr i8, i8 addrspace(6)* %addrspacecast, i32 %offset
|
|
%ptr.cast = bitcast i8 addrspace(6)* %gep to i32 addrspace(6)*
|
|
%load = load volatile i32, i32 addrspace(6)* %ptr.cast, align 4
|
|
ret void
|
|
}
|
|
|
|
; HSA-LABEL: {{^}}use_global_to_constant32_addrspacecast
|
|
; GFX9: s_load_dwordx2 [[PTRPTR:s\[[0-9]+:[0-9]+\]]], s[4:5], 0x0{{$}}
|
|
; GFX9: s_load_dword [[OFFSET:s[0-9]+]], s[4:5], 0x8{{$}}
|
|
; GFX9: s_load_dwordx2 s{{\[}}[[PTR_LO:[0-9]+]]:[[PTR_HI:[0-9]+]]{{\]}}, [[PTRPTR]], 0x0{{$}}
|
|
; GFX9: s_mov_b32 s[[PTR_HI]], 0{{$}}
|
|
; GFX9: s_add_i32 s[[PTR_LO]], s[[PTR_LO]], [[OFFSET]]
|
|
; GFX9: s_load_dword s{{[0-9]+}}, s{{\[}}[[PTR_LO]]:[[PTR_HI]]{{\]}}, 0x0{{$}}
|
|
define amdgpu_kernel void @use_global_to_constant32_addrspacecast(i8 addrspace(1)* addrspace(4)* %ptr.ptr, i32 %offset) #0 {
|
|
%ptr = load volatile i8 addrspace(1)*, i8 addrspace(1)* addrspace(4)* %ptr.ptr
|
|
%addrspacecast = addrspacecast i8 addrspace(1)* %ptr to i8 addrspace(6)*
|
|
%gep = getelementptr i8, i8 addrspace(6)* %addrspacecast, i32 %offset
|
|
%ptr.cast = bitcast i8 addrspace(6)* %gep to i32 addrspace(6)*
|
|
%load = load volatile i32, i32 addrspace(6)* %ptr.cast, align 4
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.amdgcn.s.barrier() #1
|
|
declare i32 @llvm.amdgcn.workitem.id.x() #2
|
|
|
|
attributes #0 = { nounwind }
|
|
attributes #1 = { nounwind convergent }
|
|
attributes #2 = { nounwind readnone }
|