llvm/test/Transforms/OpenMP/spmdization_kernel_env_dep.ll

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

target triple = "amdgpu7.00-amd-amdhsa"

%struct.KernelEnvironmentTy = type { %struct.ConfigurationEnvironmentTy.8, ptr, ptr }
%struct.ConfigurationEnvironmentTy.8 = type { i8, i8, i8, i32, i32, i32, i32, i32, i32 }

@IsSPMDMode = internal addrspace(3) global i32 undef
@__omp_offloading_10302_b20a40e_main_l4_kernel_environment = addrspace(1) constant %struct.KernelEnvironmentTy { %struct.ConfigurationEnvironmentTy.8 { i8 1, i8 0, i8 1, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0 }, ptr addrspacecast (ptr addrspace(1) null to ptr), ptr addrspacecast (ptr addrspace(1) null to ptr) }

;.
; AMDGPU: @IsSPMDMode = internal addrspace(3) global i32 undef
; AMDGPU: @__omp_offloading_10302_b20a40e_main_l4_kernel_environment = addrspace(1) constant %struct.KernelEnvironmentTy { %struct.ConfigurationEnvironmentTy.8 { i8 0, i8 0, i8 1, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0 }, ptr addrspacecast (ptr addrspace(1) null to ptr), ptr addrspacecast (ptr addrspace(1) null to ptr) }
;.
define i32 @fputs() {
; AMDGPU-LABEL: define {{[^@]+}}@fputs
; AMDGPU-SAME: () #[[ATTR0:[0-9]+]] {
; AMDGPU-NEXT:    fence acquire
; AMDGPU-NEXT:    ret i32 0
;
  fence acquire
  ret i32 0
}

define internal i32 @__kmpc_target_init(ptr %0, ptr %dyn) {
; AMDGPU-LABEL: define {{[^@]+}}@__kmpc_target_init
; AMDGPU-SAME: (ptr [[TMP0:%.*]], ptr [[DYN:%.*]]) #[[ATTR1:[0-9]+]] {
; AMDGPU-NEXT:    [[TMP2:%.*]] = addrspacecast ptr getelementptr (i8, ptr addrspacecast (ptr addrspace(1) @__omp_offloading_10302_b20a40e_main_l4_kernel_environment to ptr), i64 2) to ptr addrspace(1)
; AMDGPU-NEXT:    [[TMP3:%.*]] = load i8, ptr addrspace(1) [[TMP2]], align 2
; AMDGPU-NEXT:    [[TMP4:%.*]] = and i8 [[TMP3]], 2
; AMDGPU-NEXT:    [[TMP5:%.*]] = icmp ne i8 [[TMP4]], 0
; AMDGPU-NEXT:    [[TMP6:%.*]] = tail call i32 @llvm.amdgcn.workitem.id.x() #[[ATTR3:[0-9]+]]
; AMDGPU-NEXT:    [[TMP7:%.*]] = icmp eq i32 [[TMP6]], 0
; AMDGPU-NEXT:    [[OR_COND:%.*]] = select i1 [[TMP5]], i1 [[TMP7]], i1 false
; AMDGPU-NEXT:    br i1 [[OR_COND]], label [[TMP8:%.*]], label [[TMP9:%.*]]
; AMDGPU:       8:
; AMDGPU-NEXT:    store i8 0, ptr addrspace(3) null, align 2147483648
; AMDGPU-NEXT:    br label [[TMP9]]
; AMDGPU:       9:
; AMDGPU-NEXT:    br label [[TMP11:%.*]]
; AMDGPU:       10:
; AMDGPU-NEXT:    unreachable
; AMDGPU:       11:
; AMDGPU-NEXT:    ret i32 0
;
  %2 = getelementptr %struct.ConfigurationEnvironmentTy.8, ptr %0, i64 0, i32 2
  %3 = load i8, ptr %2, align 2
  %4 = and i8 %3, 2
  %5 = icmp ne i8 %4, 0
  %6 = tail call i32 @llvm.amdgcn.workitem.id.x()
  %7 = icmp eq i32 %6, 0
  %or.cond = select i1 %5, i1 %7, i1 false
  br i1 %or.cond, label %8, label %9

8:                                                ; preds = %1
  store i32 1, ptr addrspace(3) @IsSPMDMode, align 4
  store i8 0, ptr addrspace(3) null, align 2147483648
  br label %9

9:                                                ; preds = %8, %1
  %10 = load i32, ptr addrspace(3) @IsSPMDMode, align 4
  %11 = icmp eq i32 %10, 0
  br i1 %11, label %12, label %13

12:                                               ; preds = %9
  unreachable

13:                                               ; preds = %9
  ret i32 0
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.amdgcn.workitem.id.x() #0

declare void @__kmpc_target_deinit()

define amdgpu_kernel void @__omp_offloading_10302_b20a40e_main_l4(ptr %dyn) {
; AMDGPU-LABEL: define {{[^@]+}}@__omp_offloading_10302_b20a40e_main_l4
; AMDGPU-SAME: (ptr [[DYN:%.*]]) {
; AMDGPU-NEXT:    [[TMP1:%.*]] = tail call i32 @__kmpc_target_init(ptr addrspacecast (ptr addrspace(1) @__omp_offloading_10302_b20a40e_main_l4_kernel_environment to ptr), ptr [[DYN]]) #[[ATTR4:[0-9]+]]
; AMDGPU-NEXT:    br label [[TMP2:%.*]]
; AMDGPU:       2:
; AMDGPU-NEXT:    [[TMP3:%.*]] = call i32 @fputs() #[[ATTR0]]
; AMDGPU-NEXT:    tail call void @__kmpc_target_deinit()
; AMDGPU-NEXT:    ret void
;
  %1 = tail call i32 @__kmpc_target_init(ptr addrspacecast (ptr addrspace(1) @__omp_offloading_10302_b20a40e_main_l4_kernel_environment to ptr), ptr %dyn)
  br label %2

2:                                                ; preds = %0
  %3 = call i32 @fputs()
  tail call void @__kmpc_target_deinit()
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!llvm.module.flags = !{!0}

!0 = !{i32 7, !"openmp", i32 51}

;.
; AMDGPU: attributes #[[ATTR0]] = { nounwind }
; AMDGPU: attributes #[[ATTR1]] = { norecurse nosync nounwind }
; AMDGPU: attributes #[[ATTR2:[0-9]+]] = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
; AMDGPU: attributes #[[ATTR3]] = { nosync }
; AMDGPU: attributes #[[ATTR4]] = { nosync nounwind }
;.
; AMDGPU: [[META0:![0-9]+]] = !{i32 7, !"openmp", i32 51}
;.