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; Note: uses a randomly selected assumed external call stack size so that the
; test assertions are unlikely to succeed by accident.
; 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
; 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
; 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
; 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
; CHECK-LABEL: amdhsa.kernels
; test a kernel without an external call that occurs before its callee in the module
; CHECK-LABEL: test1
; CHECK: .private_segment_fixed_size: 20
; GFX7: .sgpr_count: 37
; GFX7: .sgpr_spill_count: 0
; GFX7: .vgpr_count: 4
; GFX7: .vgpr_spill_count: 0
; GFX8: .sgpr_count: 39
; GFX8: .sgpr_spill_count: 0
; GFX8: .vgpr_count: 4
; GFX8: .vgpr_spill_count: 0
; GFX9: .sgpr_count: 39
; GFX9: .sgpr_spill_count: 0
; GFX9: .vgpr_count: 4
; GFX9: .vgpr_spill_count: 0
; GFX10: .sgpr_count: 33
; GFX10: .sgpr_spill_count: 0
; GFX10: .vgpr_count: 4
; GFX10: .vgpr_spill_count: 0
define amdgpu_kernel void @test1(ptr %x) {
%1 = load volatile float, ptr %x
%2 = call float @f(float %1)
store volatile float %2, ptr %x
ret void
}
define internal float @f(float %arg0) #0 {
%stack = alloca float, i32 4, align 4, addrspace(5)
store volatile float 3.0, ptr addrspace(5) %stack
%val = load volatile float, ptr addrspace(5) %stack
%add = fadd float %arg0, %val
ret float %add
}
; test a kernel without an external call that occurs after its callee in the module
; CHECK-LABEL: test2
; CHECK: .private_segment_fixed_size: 20
; GFX7: .sgpr_count: 37
; GFX7: .sgpr_spill_count: 0
; GFX7: .vgpr_count: 4
; GFX7: .vgpr_spill_count: 0
; GFX8: .sgpr_count: 39
; GFX8: .sgpr_spill_count: 0
; GFX8: .vgpr_count: 4
; GFX8: .vgpr_spill_count: 0
; GFX9: .sgpr_count: 39
; GFX9: .sgpr_spill_count: 0
; GFX9: .vgpr_count: 4
; GFX9: .vgpr_spill_count: 0
; GFX10: .sgpr_count: 33
; GFX10: .sgpr_spill_count: 0
; GFX10: .vgpr_count: 4
; GFX10: .vgpr_spill_count: 0
define amdgpu_kernel void @test2(ptr %x) {
%1 = load volatile float, ptr %x
%2 = call float @f(float %1)
store volatile float %2, ptr %x
ret void
}
; test a kernel with an external call that occurs before its callee in the module
; CHECK-LABEL: test3
; CHECK: .private_segment_fixed_size: 5310
; GFX7: .sgpr_count: 37
; GFX7: .sgpr_spill_count: 0
; GFX7: .vgpr_count: 32
; GFX7: .vgpr_spill_count: 0
; GFX8: .sgpr_count: 39
; GFX8: .sgpr_spill_count: 0
; GFX8: .vgpr_count: 32
; GFX8: .vgpr_spill_count: 0
; GFX9: .sgpr_count: 39
; GFX9: .sgpr_spill_count: 0
; GFX9: .vgpr_count: 32
; GFX9: .vgpr_spill_count: 0
; GFX10: .sgpr_count: 35
; GFX10: .sgpr_spill_count: 0
; GFX10: .vgpr_count: 32
; GFX10: .vgpr_spill_count: 0
define amdgpu_kernel void @test3() {
call void @g()
ret void
}
declare void @g() #0
; test a kernel without an external call that occurs after its callee in the module
; CHECK-LABEL: test4
; CHECK: .private_segment_fixed_size: 5310
; GFX7: .sgpr_count: 37
; GFX7: .sgpr_spill_count: 0
; GFX7: .vgpr_count: 32
; GFX7: .vgpr_spill_count: 0
; GFX8: .sgpr_count: 39
; GFX8: .sgpr_spill_count: 0
; GFX8: .vgpr_count: 32
; GFX8: .vgpr_spill_count: 0
; GFX9: .sgpr_count: 39
; GFX9: .sgpr_spill_count: 0
; GFX9: .vgpr_count: 32
; GFX9: .vgpr_spill_count: 0
; GFX10: .sgpr_count: 35
; GFX10: .sgpr_spill_count: 0
; GFX10: .vgpr_count: 32
; GFX10: .vgpr_spill_count: 0
define amdgpu_kernel void @test4() {
call void @g()
ret void
}
attributes #0 = { norecurse }
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"amdgpu_code_object_version", i32 400}
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