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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AMDGPU/large-alloca-graphics.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

58 lines
2.3 KiB
LLVM

; RUN: llc -mtriple=amdgcn -mcpu=bonaire < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=ALL %s
; RUN: llc -mtriple=amdgcn -mcpu=carrizo -mattr=-flat-for-global < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=ALL %s
; RUN: llc -mtriple=amdgcn -mcpu=gfx900 -mattr=-flat-for-global < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 -check-prefix=ALL %s
; ALL-LABEL: {{^}}large_alloca_pixel_shader:
; GCN-DAG: s_mov_b32 s4, SCRATCH_RSRC_DWORD0
; GCN-DAG: s_mov_b32 s5, SCRATCH_RSRC_DWORD1
; GCN-DAG: s_mov_b32 s6, -1
; CI-DAG: s_mov_b32 s7, 0xe8f000
; VI-DAG: s_mov_b32 s7, 0xe80000
; GFX9-DAG: s_mov_b32 s7, 0xe00000
; GCN: s_add_u32 s4, s4, s0
; GCN: s_addc_u32 s5, s5, 0
; GCN: buffer_store_dword {{v[0-9]+}}, {{v[0-9]+}}, s[4:7], 0 offen
; GCN: buffer_load_dword {{v[0-9]+}}, {{v[0-9]+}}, s[4:7], 0 offen
; ALL: ; ScratchSize: 32772
define amdgpu_ps void @large_alloca_pixel_shader(i32 %x, i32 %y) #0 {
%large = alloca [8192 x i32], align 4, addrspace(5)
%gep = getelementptr [8192 x i32], ptr addrspace(5) %large, i32 0, i32 8191
store volatile i32 %x, ptr addrspace(5) %gep
%gep1 = getelementptr [8192 x i32], ptr addrspace(5) %large, i32 0, i32 %y
%val = load volatile i32, ptr addrspace(5) %gep1
store volatile i32 %val, ptr addrspace(1) poison
ret void
}
; ALL-LABEL: {{^}}large_alloca_pixel_shader_inreg:
; GCN-DAG: s_mov_b32 s4, SCRATCH_RSRC_DWORD0
; GCN-DAG: s_mov_b32 s5, SCRATCH_RSRC_DWORD1
; GCN-DAG: s_mov_b32 s6, -1
; CI-DAG: s_mov_b32 s7, 0xe8f000
; VI-DAG: s_mov_b32 s7, 0xe80000
; GFX9-DAG: s_mov_b32 s7, 0xe00000
; GCN: s_add_u32 s4, s4, s2
; GCN: s_addc_u32 s5, s5, 0
; GCN: buffer_store_dword {{v[0-9]+}}, {{v[0-9]+}}, s[4:7], 0 offen
; GCN: buffer_load_dword {{v[0-9]+}}, {{v[0-9]+}}, s[4:7], 0 offen
; ALL: ; ScratchSize: 32772
define amdgpu_ps void @large_alloca_pixel_shader_inreg(i32 inreg %x, i32 inreg %y) #0 {
%large = alloca [8192 x i32], align 4, addrspace(5)
%gep = getelementptr [8192 x i32], ptr addrspace(5) %large, i32 0, i32 8191
store volatile i32 %x, ptr addrspace(5) %gep
%gep1 = getelementptr [8192 x i32], ptr addrspace(5) %large, i32 0, i32 %y
%val = load volatile i32, ptr addrspace(5) %gep1
store volatile i32 %val, ptr addrspace(1) poison
ret void
}
attributes #0 = { nounwind }