34 lines
1.6 KiB
LLVM
34 lines
1.6 KiB
LLVM
; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -amdgpu-spill-sgpr-to-smem=1 -verify-machineinstrs < %s | FileCheck -check-prefix=TOSMEM -check-prefix=ALL %s
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; FIXME: SGPR-to-SMEM requires an additional SGPR always to scavenge m0
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; ALL-LABEL: {{^}}max_9_sgprs:
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; ALL: SGPRBlocks: 1
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; ALL: NumSGPRsForWavesPerEU: 9
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define amdgpu_kernel void @max_9_sgprs() #0 {
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%one = load volatile i32, i32 addrspace(4)* undef
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%two = load volatile i32, i32 addrspace(4)* undef
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%three = load volatile i32, i32 addrspace(4)* undef
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%four = load volatile i32, i32 addrspace(4)* undef
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%five = load volatile i32, i32 addrspace(4)* undef
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%six = load volatile i32, i32 addrspace(4)* undef
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%seven = load volatile i32, i32 addrspace(4)* undef
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%eight = load volatile i32, i32 addrspace(4)* undef
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%nine = load volatile i32, i32 addrspace(4)* undef
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%ten = load volatile i32, i32 addrspace(4)* undef
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call void asm sideeffect "", "s,s,s,s,s,s,s,s"(i32 %one, i32 %two, i32 %three, i32 %four, i32 %five, i32 %six, i32 %seven, i32 %eight)
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store volatile i32 %one, i32 addrspace(1)* undef
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store volatile i32 %two, i32 addrspace(1)* undef
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store volatile i32 %three, i32 addrspace(1)* undef
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store volatile i32 %four, i32 addrspace(1)* undef
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store volatile i32 %five, i32 addrspace(1)* undef
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store volatile i32 %six, i32 addrspace(1)* undef
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store volatile i32 %seven, i32 addrspace(1)* undef
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store volatile i32 %eight, i32 addrspace(1)* undef
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store volatile i32 %nine, i32 addrspace(1)* undef
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store volatile i32 %ten, i32 addrspace(1)* undef
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ret void
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}
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attributes #0 = { nounwind "amdgpu-num-sgpr"="14" }
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