forked from OSchip/llvm-project
48 lines
1.8 KiB
LLVM
48 lines
1.8 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=bonaire < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=ALL %s
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; RUN: llc -march=amdgcn -mcpu=carrizo < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=ALL %s
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; ALL-LABEL: {{^}}large_alloca_pixel_shader:
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; GCN: s_mov_b32 s8, SCRATCH_RSRC_DWORD0
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; GCN: s_mov_b32 s9, SCRATCH_RSRC_DWORD1
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; GCN: s_mov_b32 s10, -1
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; CI: s_mov_b32 s11, 0x98f000
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; VI: s_mov_b32 s11, 0x980000
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; GCN: buffer_store_dword {{v[0-9]+}}, {{v[0-9]+}}, s[8:11], s1 offen
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; GCN: buffer_load_dword {{v[0-9]+}}, {{v[0-9]+}}, s[8:11], s1 offen
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; ALL: ; ScratchSize: 32772
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define void @large_alloca_pixel_shader(i32 %x, i32 %y) #1 {
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%large = alloca [8192 x i32], align 4
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%gep = getelementptr [8192 x i32], [8192 x i32]* %large, i32 0, i32 8191
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store volatile i32 %x, i32* %gep
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%gep1 = getelementptr [8192 x i32], [8192 x i32]* %large, i32 0, i32 %y
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%val = load volatile i32, i32* %gep1
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store volatile i32 %val, i32 addrspace(1)* undef
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ret void
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}
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; ALL-LABEL: {{^}}large_alloca_pixel_shader_inreg:
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; GCN: s_mov_b32 s8, SCRATCH_RSRC_DWORD0
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; GCN: s_mov_b32 s9, SCRATCH_RSRC_DWORD1
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; GCN: s_mov_b32 s10, -1
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; CI: s_mov_b32 s11, 0x98f000
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; VI: s_mov_b32 s11, 0x980000
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; GCN: buffer_store_dword {{v[0-9]+}}, {{v[0-9]+}}, s[8:11], s1 offen
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; GCN: buffer_load_dword {{v[0-9]+}}, {{v[0-9]+}}, s[8:11], s1 offen
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; ALL: ; ScratchSize: 32772
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define void @large_alloca_pixel_shader_inreg(i32 inreg %x, i32 inreg %y) #1 {
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%large = alloca [8192 x i32], align 4
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%gep = getelementptr [8192 x i32], [8192 x i32]* %large, i32 0, i32 8191
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store volatile i32 %x, i32* %gep
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%gep1 = getelementptr [8192 x i32], [8192 x i32]* %large, i32 0, i32 %y
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%val = load volatile i32, i32* %gep1
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store volatile i32 %val, i32 addrspace(1)* undef
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ret void
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}
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attributes #0 = { nounwind }
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attributes #1 = { nounwind "ShaderType"="0" }
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