test/Transforms/OpenMP/always_inline_device.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-attributes --check-globals
; RUN: opt < %s -S -passes=openmp-opt -openmp-opt-inline-device | FileCheck %s

%struct.ident_t = type { i32, i32, i32, i32, ptr }
%struct.KernelEnvironmentTy = type { %struct.ConfigurationEnvironmentTy, ptr, ptr }
%struct.ConfigurationEnvironmentTy = type { i8, i8, i8 }
@0 = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1
@1 = private unnamed_addr constant %struct.ident_t { i32 0, i32 2, i32 0, i32 0, ptr @0 }, align 8
@G = external global i8

@kernel_environment = local_unnamed_addr constant %struct.KernelEnvironmentTy { %struct.ConfigurationEnvironmentTy { i8 1, i8 0, i8 1 }, ptr @1, ptr null }

; Function Attrs: convergent norecurse nounwind
;.
; CHECK: @[[GLOB0:[0-9]+]] = private unnamed_addr constant [23 x i8] c"
; CHECK: @[[GLOB1:[0-9]+]] = private unnamed_addr constant [[STRUCT_IDENT_T:%.*]] { i32 0, i32 2, i32 0, i32 0, ptr @[[GLOB0]] }, align 8
; CHECK: @[[G:[a-zA-Z0-9_$"\\.-]+]] = external global i8
; CHECK: @[[KERNEL_ENVIRONMENT:[a-zA-Z0-9_$"\\.-]+]] = local_unnamed_addr constant [[STRUCT_KERNELENVIRONMENTTY:%.*]] { [[STRUCT_CONFIGURATIONENVIRONMENTTY:%.*]] { i8 0, i8 0, i8 3 }, ptr @[[GLOB1]], ptr null }
;.
define weak void @__omp_offloading_fd02_c0934fc2_foo_l4() #0 {
; CHECK: Function Attrs: norecurse nounwind
; CHECK-LABEL: @__omp_offloading_fd02_c0934fc2_foo_l4(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = call i32 @__kmpc_target_init(ptr @kernel_environment)
; CHECK-NEXT:    [[THREAD_ID_IN_BLOCK:%.*]] = call i32 @__kmpc_get_hardware_thread_id_in_block()
; CHECK-NEXT:    [[THREAD_IS_MAIN:%.*]] = icmp ne i32 [[THREAD_ID_IN_BLOCK]], 0
; CHECK-NEXT:    br i1 [[THREAD_IS_MAIN]], label [[EXIT_THREADS:%.*]], label [[MAIN_THREAD_USER_CODE:%.*]]
; CHECK:       exit.threads:
; CHECK-NEXT:    ret void
; CHECK:       main.thread.user_code:
; CHECK-NEXT:    [[EXEC_USER_CODE:%.*]] = icmp eq i32 [[TMP0]], -1
; CHECK-NEXT:    br i1 [[EXEC_USER_CODE]], label [[USER_CODE_ENTRY:%.*]], label [[WORKER_EXIT:%.*]]
; CHECK:       user_code.entry:
; CHECK-NEXT:    store i8 1, ptr @G, align 1
; CHECK-NEXT:    call void @__kmpc_target_deinit()
; CHECK-NEXT:    ret void
; CHECK:       worker.exit:
; CHECK-NEXT:    ret void
;
entry:
  %0 = call i32 @__kmpc_target_init(ptr @kernel_environment)
  %exec_user_code = icmp eq i32 %0, -1
  br i1 %exec_user_code, label %user_code.entry, label %worker.exit

user_code.entry:                                  ; preds = %entry
  ; Ensure we see a 0 here as the kernel doesn't have parallel regions and we want
  ; generic execution.
  ; TODO: This is not perfect. We should rather go for SPMD mode and tell the runtime
  ;       to only spawn a single thread. Further, we then should not guard any code.
  %isSPMD = call i8 @__kmpc_is_spmd_exec_mode()
  store i8 %isSPMD, ptr @G
  call void @bar() #2
  call void @__kmpc_target_deinit()
  ret void

worker.exit:                                      ; preds = %entry
  ret void
}

declare i8 @__kmpc_is_spmd_exec_mode()

declare i32 @__kmpc_target_init(ptr)

declare void @__kmpc_target_deinit()

; Function Attrs: convergent nounwind
define hidden void @bar() #1 {
; CHECK: Function Attrs: alwaysinline convergent nounwind
; CHECK-LABEL: @bar(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    ret void
;
entry:
  ret void
}

attributes #0 = { convergent norecurse nounwind "kernel" "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="sm_70" "target-features"="+ptx32,+sm_70" }
attributes #1 = { convergent nounwind "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="sm_70" "target-features"="+ptx32,+sm_70" }
attributes #2 = { convergent }

!omp_offload.info = !{!0}
!nvvm.annotations = !{!1}
!llvm.module.flags = !{!2, !3, !4, !5, !6}
!llvm.ident = !{!7}

!0 = !{i32 0, i32 64770, i32 -1064087614, !"foo", i32 4, i32 0}
!1 = !{ptr @__omp_offloading_fd02_c0934fc2_foo_l4, !"kernel", i32 1}
!2 = !{i32 1, !"wchar_size", i32 4}
!3 = !{i32 7, !"openmp", i32 50}
!4 = !{i32 7, !"openmp-device", i32 50}
!5 = !{i32 7, !"PIC Level", i32 2}
!6 = !{i32 7, !"frame-pointer", i32 2}
!7 = !{!"clang version 14.0.0"}
;.
; CHECK: attributes #[[ATTR0:[0-9]+]] = { norecurse nounwind "frame-pointer"="all" "kernel" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="sm_70" "target-features"="+ptx32,+sm_70" }
; CHECK: attributes #[[ATTR1:[0-9]+]] = { alwaysinline convergent nounwind "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="sm_70" "target-features"="+ptx32,+sm_70" }
; CHECK: attributes #[[ATTR2:[0-9]+]] = { nounwind }
;.
; CHECK: [[META0:![0-9]+]] = !{i32 0, i32 64770, i32 -1064087614, !"foo", i32 4, i32 0}
; CHECK: [[META1:![0-9]+]] = !{ptr @__omp_offloading_fd02_c0934fc2_foo_l4, !"kernel", i32 1}
; CHECK: [[META2:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
; CHECK: [[META3:![0-9]+]] = !{i32 7, !"openmp", i32 50}
; CHECK: [[META4:![0-9]+]] = !{i32 7, !"openmp-device", i32 50}
; CHECK: [[META5:![0-9]+]] = !{i32 8, !"PIC Level", i32 2}
; CHECK: [[META6:![0-9]+]] = !{i32 7, !"frame-pointer", i32 2}
; CHECK: [[META7:![0-9]+]] = !{!"clang version 14.0.0"}
;.