File: kernarg-size.ll

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llvm-toolchain-16 1%3A16.0.6-15~deb12u1
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; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 < %s | FileCheck --check-prefix=DOORBELL %s
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 --amdhsa-code-object-version=4 < %s | FileCheck --check-prefix=DOORBELL %s
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 --amdhsa-code-object-version=3 < %s | FileCheck --check-prefix=HSA %s

declare void @llvm.trap() #0

; HSA:      .amdhsa_kernel trap
; HSA-NEXT:     .amdhsa_group_segment_fixed_size 0
; HSA-NEXT:     .amdhsa_private_segment_fixed_size 0
; HSA-NEXT:     .amdhsa_kernarg_size 8
; HSA-NEXT:     .amdhsa_user_sgpr_count 8
; HSA-NEXT:     .amdhsa_user_sgpr_private_segment_buffer 1
; HSA:      .end_amdhsa_kernel

; DOORBELL:      .amdhsa_kernel trap
; DOORBELL-NEXT:     .amdhsa_group_segment_fixed_size 0
; DOORBELL-NEXT:     .amdhsa_private_segment_fixed_size 0
; DOORBELL-NEXT:     .amdhsa_kernarg_size 8
; DOORBELL-NEXT:     .amdhsa_user_sgpr_count 6
; DOORBELL-NEXT:     .amdhsa_user_sgpr_private_segment_buffer 1
; DOORBELL:      .end_amdhsa_kernel

define amdgpu_kernel void @trap(ptr addrspace(1) nocapture readonly %arg0) {
  store volatile i32 1, ptr addrspace(1) %arg0
  call void @llvm.trap()
  unreachable
  store volatile i32 2, ptr addrspace(1) %arg0
  ret void
}