derek.holloway
7502bf64a4
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142 lines
4.5 KiB
LLVM
142 lines
4.5 KiB
LLVM
; Note: uses a randomly selected assumed external call stack size so that the
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; test assertions are unlikely to succeed by accident.
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; RUN: llc -amdgpu-assume-external-call-stack-size=5310 -mtriple=amdgcn-amd-amdhsa -mcpu=gfx700 -enable-misched=0 -filetype=asm -o - < %s | FileCheck --check-prefixes CHECK,GFX7 %s
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; RUN: llc -amdgpu-assume-external-call-stack-size=5310 -mattr=-xnack -mtriple=amdgcn-amd-amdhsa -mcpu=gfx803 -enable-misched=0 -filetype=asm -o - < %s | FileCheck --check-prefixes CHECK,GFX8 %s
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; RUN: llc -amdgpu-assume-external-call-stack-size=5310 -mattr=-xnack -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -enable-misched=0 -filetype=asm -o - < %s | FileCheck --check-prefixes CHECK,GFX9 %s
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; RUN: llc -amdgpu-assume-external-call-stack-size=5310 -mattr=-xnack -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1010 -enable-misched=0 -filetype=asm -o - < %s | FileCheck --check-prefixes CHECK,GFX10 %s
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; CHECK-LABEL: amdhsa.kernels
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; test a kernel without an external call that occurs before its callee in the module
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; CHECK-LABEL: test1
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; CHECK: .private_segment_fixed_size: 20
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; GFX7: .sgpr_count: 37
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; GFX7: .sgpr_spill_count: 0
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; GFX7: .vgpr_count: 4
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; GFX7: .vgpr_spill_count: 0
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; GFX8: .sgpr_count: 39
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; GFX8: .sgpr_spill_count: 0
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; GFX8: .vgpr_count: 4
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; GFX8: .vgpr_spill_count: 0
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; GFX9: .sgpr_count: 39
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; GFX9: .sgpr_spill_count: 0
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; GFX9: .vgpr_count: 4
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; GFX9: .vgpr_spill_count: 0
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; GFX10: .sgpr_count: 33
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; GFX10: .sgpr_spill_count: 0
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; GFX10: .vgpr_count: 4
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; GFX10: .vgpr_spill_count: 0
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define amdgpu_kernel void @test1(ptr %x) #1 {
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%1 = load volatile float, ptr %x
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%2 = call float @f(float %1)
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store volatile float %2, ptr %x
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ret void
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}
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define internal float @f(float %arg0) #1 {
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%stack = alloca float, i32 4, align 4, addrspace(5)
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store volatile float 3.0, ptr addrspace(5) %stack
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%val = load volatile float, ptr addrspace(5) %stack
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%add = fadd float %arg0, %val
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ret float %add
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}
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; test a kernel without an external call that occurs after its callee in the module
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; CHECK-LABEL: test2
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; CHECK: .private_segment_fixed_size: 20
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; GFX7: .sgpr_count: 37
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; GFX7: .sgpr_spill_count: 0
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; GFX7: .vgpr_count: 4
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; GFX7: .vgpr_spill_count: 0
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; GFX8: .sgpr_count: 39
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; GFX8: .sgpr_spill_count: 0
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; GFX8: .vgpr_count: 4
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; GFX8: .vgpr_spill_count: 0
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; GFX9: .sgpr_count: 39
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; GFX9: .sgpr_spill_count: 0
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; GFX9: .vgpr_count: 4
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; GFX9: .vgpr_spill_count: 0
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; GFX10: .sgpr_count: 33
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; GFX10: .sgpr_spill_count: 0
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; GFX10: .vgpr_count: 4
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; GFX10: .vgpr_spill_count: 0
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define amdgpu_kernel void @test2(ptr %x) {
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%1 = load volatile float, ptr %x
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%2 = call float @f(float %1)
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store volatile float %2, ptr %x
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ret void
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}
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; test a kernel with an external call that occurs before its callee in the module
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; CHECK-LABEL: test3
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; CHECK: .private_segment_fixed_size: 5310
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; GFX7: .sgpr_count: 37
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; GFX7: .sgpr_spill_count: 0
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; GFX7: .vgpr_count: 32
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; GFX7: .vgpr_spill_count: 0
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; GFX8: .sgpr_count: 39
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; GFX8: .sgpr_spill_count: 0
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; GFX8: .vgpr_count: 32
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; GFX8: .vgpr_spill_count: 0
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; GFX9: .sgpr_count: 39
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; GFX9: .sgpr_spill_count: 0
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; GFX9: .vgpr_count: 32
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; GFX9: .vgpr_spill_count: 0
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; GFX10: .sgpr_count: 35
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; GFX10: .sgpr_spill_count: 0
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; GFX10: .vgpr_count: 32
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; GFX10: .vgpr_spill_count: 0
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define amdgpu_kernel void @test3() {
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call void @g()
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ret void
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}
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declare void @g() #0
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; test a kernel without an external call that occurs after its callee in the module
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; CHECK-LABEL: test4
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; CHECK: .private_segment_fixed_size: 5310
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; GFX7: .sgpr_count: 37
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; GFX7: .sgpr_spill_count: 0
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; GFX7: .vgpr_count: 32
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; GFX7: .vgpr_spill_count: 0
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; GFX8: .sgpr_count: 39
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; GFX8: .sgpr_spill_count: 0
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; GFX8: .vgpr_count: 32
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; GFX8: .vgpr_spill_count: 0
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; GFX9: .sgpr_count: 39
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; GFX9: .sgpr_spill_count: 0
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; GFX9: .vgpr_count: 32
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; GFX9: .vgpr_spill_count: 0
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; GFX10: .sgpr_count: 35
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; GFX10: .sgpr_spill_count: 0
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; GFX10: .vgpr_count: 32
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; GFX10: .vgpr_spill_count: 0
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define amdgpu_kernel void @test4() {
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call void @g()
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ret void
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}
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attributes #0 = { norecurse }
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attributes #1 = { norecurse "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" }
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!llvm.module.flags = !{!0}
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!0 = !{i32 1, !"amdhsa_code_object_version", i32 400}
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