; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -global-isel -mtriple=amdgcn-amd-amdpal -mcpu=tahiti < %s | FileCheck -check-prefixes=GCN,GFX6 %s
; RUN: llc -global-isel -mtriple=amdgcn-amd-amdpal -mcpu=gfx803 < %s | FileCheck -check-prefixes=GCN,GFX8 %s
; RUN: llc -global-isel -mtriple=amdgcn-amd-amdpal -mcpu=gfx900 < %s | FileCheck -check-prefixes=GCN,GFX9 %s
; FIXME: Test should be redundant with constant-address-space-32bit.ll
; It's important to check with gfx8 and gfx9 to check access through global and flat.
; Custom lowering needs to swap out the MMO address space
define amdgpu_ps float @load_constant32bit_vgpr_offset(i32 %arg) {
; GFX6-LABEL: load_constant32bit_vgpr_offset:
; GFX6: ; %bb.0: ; %entry
; GFX6-NEXT: v_lshlrev_b32_e32 v0, 2, v0
; GFX6-NEXT: s_mov_b32 s2, 0
; GFX6-NEXT: v_mov_b32_e32 v1, 0
; GFX6-NEXT: s_mov_b32 s3, 0xf000
; GFX6-NEXT: s_mov_b64 s[0:1], 0
; GFX6-NEXT: buffer_load_dword v0, v[0:1], s[0:3], 0 addr64
; GFX6-NEXT: s_waitcnt vmcnt(0)
; GFX6-NEXT: ; return to shader part epilog
;
; GFX8-LABEL: load_constant32bit_vgpr_offset:
; GFX8: ; %bb.0: ; %entry
; GFX8-NEXT: v_lshlrev_b32_e32 v0, 2, v0
; GFX8-NEXT: v_mov_b32_e32 v1, 0
; GFX8-NEXT: flat_load_dword v0, v[0:1]
; GFX8-NEXT: s_waitcnt vmcnt(0)
; GFX8-NEXT: ; return to shader part epilog
;
; GFX9-LABEL: load_constant32bit_vgpr_offset:
; GFX9: ; %bb.0: ; %entry
; GFX9-NEXT: v_lshlrev_b32_e32 v0, 2, v0
; GFX9-NEXT: v_mov_b32_e32 v1, 0
; GFX9-NEXT: global_load_dword v0, v[0:1], off
; GFX9-NEXT: s_waitcnt vmcnt(0)
; GFX9-NEXT: ; return to shader part epilog
entry:
%gep = getelementptr <{ [4294967295 x float] }>, ptr addrspace(6) null, i32 0, i32 0, i32 %arg
%load = load float, ptr addrspace(6) %gep, align 4
ret float %load
}
define amdgpu_ps i32 @load_constant32bit_sgpr_offset(i32 inreg %arg) {
; GCN-LABEL: load_constant32bit_sgpr_offset:
; GCN: ; %bb.0: ; %entry
; GCN-NEXT: s_lshl_b32 s0, s0, 2
; GCN-NEXT: s_mov_b32 s1, 0
; GCN-NEXT: s_load_dword s0, s[0:1], 0x0
; GCN-NEXT: s_waitcnt lgkmcnt(0)
; GCN-NEXT: ; return to shader part epilog
entry:
%gep = getelementptr <{ [4294967295 x i32] }>, ptr addrspace(6) null, i32 0, i32 0, i32 %arg
%load = load i32, ptr addrspace(6) %gep, align 4
ret i32 %load
}
; This gets split during regbankselect
define amdgpu_ps <8 x float> @load_constant32bit_vgpr_v8f32(ptr addrspace(6) %arg) {
; GFX6-LABEL: load_constant32bit_vgpr_v8f32:
; GFX6: ; %bb.0: ; %entry
; GFX6-NEXT: v_mov_b32_e32 v4, v0
; GFX6-NEXT: s_mov_b32 s2, 0
; GFX6-NEXT: v_mov_b32_e32 v5, 0
; GFX6-NEXT: s_mov_b32 s3, 0xf000
; GFX6-NEXT: s_mov_b64 s[0:1], 0
; GFX6-NEXT: buffer_load_dwordx4 v[0:3], v[4:5], s[0:3], 0 addr64
; GFX6-NEXT: buffer_load_dwordx4 v[4:7], v[4:5], s[0:3], 0 addr64 offset:16
; GFX6-NEXT: s_waitcnt vmcnt(0)
; GFX6-NEXT: ; return to shader part epilog
;
; GFX8-LABEL: load_constant32bit_vgpr_v8f32:
; GFX8: ; %bb.0: ; %entry
; GFX8-NEXT: v_mov_b32_e32 v4, v0
; GFX8-NEXT: v_mov_b32_e32 v5, 0
; GFX8-NEXT: flat_load_dwordx4 v[0:3], v[4:5]
; GFX8-NEXT: v_add_u32_e32 v4, vcc, 16, v4
; GFX8-NEXT: v_addc_u32_e64 v5, s[0:1], 0, 0, vcc
; GFX8-NEXT: flat_load_dwordx4 v[4:7], v[4:5]
; GFX8-NEXT: s_waitcnt vmcnt(0)
; GFX8-NEXT: ; return to shader part epilog
;
; GFX9-LABEL: load_constant32bit_vgpr_v8f32:
; GFX9: ; %bb.0: ; %entry
; GFX9-NEXT: v_mov_b32_e32 v8, v0
; GFX9-NEXT: v_mov_b32_e32 v9, 0
; GFX9-NEXT: global_load_dwordx4 v[0:3], v[8:9], off
; GFX9-NEXT: global_load_dwordx4 v[4:7], v[8:9], off offset:16
; GFX9-NEXT: s_waitcnt vmcnt(0)
; GFX9-NEXT: ; return to shader part epilog
entry:
%load = load <8 x float>, ptr addrspace(6) %arg, align 32
ret <8 x float> %load
}
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