forked from OSchip/llvm-project
203 lines
7.1 KiB
LLVM
203 lines
7.1 KiB
LLVM
; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck %s
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; Exactly 1 wave per execution unit.
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; CHECK-LABEL: {{^}}empty_exactly_1:
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; CHECK: SGPRBlocks: 12
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; CHECK: VGPRBlocks: 32
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; CHECK: NumSGPRsForWavesPerEU: 102
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; CHECK: NumVGPRsForWavesPerEU: 129
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define amdgpu_kernel void @empty_exactly_1() #0 {
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entry:
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ret void
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}
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attributes #0 = {"amdgpu-waves-per-eu"="1,1"}
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; Exactly 5 waves per execution unit.
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; CHECK-LABEL: {{^}}empty_exactly_5:
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; CHECK: SGPRBlocks: 12
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; CHECK: VGPRBlocks: 10
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; CHECK: NumSGPRsForWavesPerEU: 102
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; CHECK: NumVGPRsForWavesPerEU: 41
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define amdgpu_kernel void @empty_exactly_5() #1 {
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entry:
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ret void
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}
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attributes #1 = {"amdgpu-waves-per-eu"="5,5"}
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; Exactly 10 waves per execution unit.
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; CHECK-LABEL: {{^}}empty_exactly_10:
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; CHECK: SGPRBlocks: 0
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; CHECK: VGPRBlocks: 0
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; CHECK: NumSGPRsForWavesPerEU: 1
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; CHECK: NumVGPRsForWavesPerEU: 1
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define amdgpu_kernel void @empty_exactly_10() #2 {
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entry:
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ret void
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}
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attributes #2 = {"amdgpu-waves-per-eu"="10,10"}
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; At least 1 wave per execution unit.
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; CHECK-LABEL: {{^}}empty_at_least_1:
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; CHECK: SGPRBlocks: 0
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; CHECK: VGPRBlocks: 0
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; CHECK: NumSGPRsForWavesPerEU: 1
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; CHECK: NumVGPRsForWavesPerEU: 1
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define amdgpu_kernel void @empty_at_least_1() #3 {
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entry:
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ret void
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}
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attributes #3 = {"amdgpu-waves-per-eu"="1"}
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; At least 5 waves per execution unit.
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; CHECK-LABEL: {{^}}empty_at_least_5:
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; CHECK: SGPRBlocks: 0
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; CHECK: VGPRBlocks: 0
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; CHECK: NumSGPRsForWavesPerEU: 1
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; CHECK: NumVGPRsForWavesPerEU: 1
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define amdgpu_kernel void @empty_at_least_5() #4 {
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entry:
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ret void
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}
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attributes #4 = {"amdgpu-waves-per-eu"="5"}
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; At least 10 waves per execution unit.
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; CHECK-LABEL: {{^}}empty_at_least_10:
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; CHECK: SGPRBlocks: 0
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; CHECK: VGPRBlocks: 0
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; CHECK: NumSGPRsForWavesPerEU: 1
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; CHECK: NumVGPRsForWavesPerEU: 1
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define amdgpu_kernel void @empty_at_least_10() #5 {
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entry:
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ret void
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}
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attributes #5 = {"amdgpu-waves-per-eu"="10"}
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; At most 1 wave per execution unit (same as @empty_exactly_1).
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; At most 5 waves per execution unit.
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; CHECK-LABEL: {{^}}empty_at_most_5:
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; CHECK: SGPRBlocks: 12
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; CHECK: VGPRBlocks: 10
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; CHECK: NumSGPRsForWavesPerEU: 102
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; CHECK: NumVGPRsForWavesPerEU: 41
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define amdgpu_kernel void @empty_at_most_5() #6 {
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entry:
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ret void
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}
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attributes #6 = {"amdgpu-waves-per-eu"="1,5"}
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; At most 10 waves per execution unit.
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; CHECK-LABEL: {{^}}empty_at_most_10:
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; CHECK: SGPRBlocks: 0
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; CHECK: VGPRBlocks: 0
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; CHECK: NumSGPRsForWavesPerEU: 1
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; CHECK: NumVGPRsForWavesPerEU: 1
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define amdgpu_kernel void @empty_at_most_10() #7 {
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entry:
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ret void
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}
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attributes #7 = {"amdgpu-waves-per-eu"="1,10"}
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; Between 1 and 5 waves per execution unit (same as @empty_at_most_5).
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; Between 5 and 10 waves per execution unit.
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; CHECK-LABEL: {{^}}empty_between_5_and_10:
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; CHECK: SGPRBlocks: 0
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; CHECK: VGPRBlocks: 0
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; CHECK: NumSGPRsForWavesPerEU: 1
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; CHECK: NumVGPRsForWavesPerEU: 1
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define amdgpu_kernel void @empty_between_5_and_10() #8 {
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entry:
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ret void
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}
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attributes #8 = {"amdgpu-waves-per-eu"="5,10"}
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@var = addrspace(1) global float 0.0
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; Exactly 10 waves per execution unit.
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; CHECK-LABEL: {{^}}exactly_10:
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; CHECK: SGPRBlocks: 1
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; CHECK: VGPRBlocks: 5
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; CHECK: NumSGPRsForWavesPerEU: 12
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; CHECK: NumVGPRsForWavesPerEU: 24
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define amdgpu_kernel void @exactly_10() #9 {
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%val0 = load volatile float, float addrspace(1)* @var
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%val1 = load volatile float, float addrspace(1)* @var
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%val2 = load volatile float, float addrspace(1)* @var
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%val3 = load volatile float, float addrspace(1)* @var
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%val4 = load volatile float, float addrspace(1)* @var
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%val5 = load volatile float, float addrspace(1)* @var
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%val6 = load volatile float, float addrspace(1)* @var
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%val7 = load volatile float, float addrspace(1)* @var
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%val8 = load volatile float, float addrspace(1)* @var
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%val9 = load volatile float, float addrspace(1)* @var
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%val10 = load volatile float, float addrspace(1)* @var
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%val11 = load volatile float, float addrspace(1)* @var
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%val12 = load volatile float, float addrspace(1)* @var
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%val13 = load volatile float, float addrspace(1)* @var
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%val14 = load volatile float, float addrspace(1)* @var
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%val15 = load volatile float, float addrspace(1)* @var
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%val16 = load volatile float, float addrspace(1)* @var
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%val17 = load volatile float, float addrspace(1)* @var
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%val18 = load volatile float, float addrspace(1)* @var
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%val19 = load volatile float, float addrspace(1)* @var
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%val20 = load volatile float, float addrspace(1)* @var
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%val21 = load volatile float, float addrspace(1)* @var
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%val22 = load volatile float, float addrspace(1)* @var
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%val23 = load volatile float, float addrspace(1)* @var
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%val24 = load volatile float, float addrspace(1)* @var
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%val25 = load volatile float, float addrspace(1)* @var
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%val26 = load volatile float, float addrspace(1)* @var
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%val27 = load volatile float, float addrspace(1)* @var
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%val28 = load volatile float, float addrspace(1)* @var
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%val29 = load volatile float, float addrspace(1)* @var
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%val30 = load volatile float, float addrspace(1)* @var
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store volatile float %val0, float addrspace(1)* @var
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store volatile float %val1, float addrspace(1)* @var
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store volatile float %val2, float addrspace(1)* @var
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store volatile float %val3, float addrspace(1)* @var
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store volatile float %val4, float addrspace(1)* @var
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store volatile float %val5, float addrspace(1)* @var
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store volatile float %val6, float addrspace(1)* @var
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store volatile float %val7, float addrspace(1)* @var
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store volatile float %val8, float addrspace(1)* @var
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store volatile float %val9, float addrspace(1)* @var
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store volatile float %val10, float addrspace(1)* @var
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store volatile float %val11, float addrspace(1)* @var
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store volatile float %val12, float addrspace(1)* @var
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store volatile float %val13, float addrspace(1)* @var
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store volatile float %val14, float addrspace(1)* @var
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store volatile float %val15, float addrspace(1)* @var
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store volatile float %val16, float addrspace(1)* @var
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store volatile float %val17, float addrspace(1)* @var
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store volatile float %val18, float addrspace(1)* @var
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store volatile float %val19, float addrspace(1)* @var
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store volatile float %val20, float addrspace(1)* @var
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store volatile float %val21, float addrspace(1)* @var
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store volatile float %val22, float addrspace(1)* @var
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store volatile float %val23, float addrspace(1)* @var
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store volatile float %val24, float addrspace(1)* @var
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store volatile float %val25, float addrspace(1)* @var
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store volatile float %val26, float addrspace(1)* @var
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store volatile float %val27, float addrspace(1)* @var
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store volatile float %val28, float addrspace(1)* @var
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store volatile float %val29, float addrspace(1)* @var
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store volatile float %val30, float addrspace(1)* @var
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ret void
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}
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attributes #9 = {"amdgpu-waves-per-eu"="10,10"}
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; Exactly 256 workitems and exactly 2 waves.
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; CHECK-LABEL: {{^}}empty_workitems_exactly_256_waves_exactly_2:
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; CHECK: SGPRBlocks: 12
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; CHECK: VGPRBlocks: 21
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; CHECK: NumSGPRsForWavesPerEU: 102
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; CHECK: NumVGPRsForWavesPerEU: 85
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define amdgpu_kernel void @empty_workitems_exactly_256_waves_exactly_2() #10 {
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entry:
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ret void
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}
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attributes #10 = {"amdgpu-flat-work-group-size"="256,256" "amdgpu-waves-per-eu"="2,2"}
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