llvm/test/CodeGen/AMDGPU/uniform-work-group-multistep.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-globals
; RUN: opt -S -mtriple=amdgcn-unknown-unknown -amdgpu-annotate-kernel-features < %s | FileCheck -check-prefixes=CHECK,AKF_CHECK %s
; RUN: opt -S -mtriple=amdgcn-unknown-unknown -amdgpu-attributor < %s | FileCheck -check-prefixes=CHECK,ATTRIBUTOR_CHECK %s

;.
; CHECK: @[[G1:[a-zA-Z0-9_$"\\.-]+]] = global i32* null
; CHECK: @[[G2:[a-zA-Z0-9_$"\\.-]+]] = global i32 0
;.
define weak void @weak() {
; AKF_CHECK-LABEL: define {{[^@]+}}@weak
; AKF_CHECK-SAME: () #[[ATTR0:[0-9]+]] {
; AKF_CHECK-NEXT:    call void @internal1()
; AKF_CHECK-NEXT:    ret void
;
; ATTRIBUTOR_CHECK-LABEL: define {{[^@]+}}@weak
; ATTRIBUTOR_CHECK-SAME: () #[[ATTR0:[0-9]+]] {
; ATTRIBUTOR_CHECK-NEXT:    call void @internal1() #[[ATTR5:[0-9]+]]
; ATTRIBUTOR_CHECK-NEXT:    ret void
;
  call void @internal1()
  ret void
}

@G1 = global i32* null

define internal void @internal1() {
; AKF_CHECK-LABEL: define {{[^@]+}}@internal1
; AKF_CHECK-SAME: () #[[ATTR0]] {
; AKF_CHECK-NEXT:    [[TMP1:%.*]] = load i32*, i32** @G1, align 8
; AKF_CHECK-NEXT:    store i32 0, i32* [[TMP1]], align 4
; AKF_CHECK-NEXT:    ret void
;
; ATTRIBUTOR_CHECK-LABEL: define {{[^@]+}}@internal1
; ATTRIBUTOR_CHECK-SAME: () #[[ATTR1:[0-9]+]] {
; ATTRIBUTOR_CHECK-NEXT:    [[TMP1:%.*]] = load i32*, i32** @G1, align 8
; ATTRIBUTOR_CHECK-NEXT:    store i32 0, i32* [[TMP1]], align 4
; ATTRIBUTOR_CHECK-NEXT:    ret void
;
  %1 = load i32*, i32** @G1
  store i32 0, i32* %1
  ret void
}

define amdgpu_kernel void @kernel1() #0 {
; AKF_CHECK-LABEL: define {{[^@]+}}@kernel1
; AKF_CHECK-SAME: () #[[ATTR1:[0-9]+]] {
; AKF_CHECK-NEXT:    call void @weak()
; AKF_CHECK-NEXT:    ret void
;
; ATTRIBUTOR_CHECK-LABEL: define {{[^@]+}}@kernel1
; ATTRIBUTOR_CHECK-SAME: () #[[ATTR2:[0-9]+]] {
; ATTRIBUTOR_CHECK-NEXT:    call void @weak()
; ATTRIBUTOR_CHECK-NEXT:    ret void
;
  call void @weak()
  ret void
}

@G2 = global i32 0

define internal void @internal3() {
; AKF_CHECK-LABEL: define {{[^@]+}}@internal3
; AKF_CHECK-SAME: () #[[ATTR2:[0-9]+]] {
; AKF_CHECK-NEXT:    [[TMP1:%.*]] = load i32, i32* @G2, align 4
; AKF_CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0
; AKF_CHECK-NEXT:    br i1 [[TMP2]], label [[TMP3:%.*]], label [[TMP4:%.*]]
; AKF_CHECK:       3:
; AKF_CHECK-NEXT:    call void @internal4()
; AKF_CHECK-NEXT:    call void @internal3()
; AKF_CHECK-NEXT:    br label [[TMP4]]
; AKF_CHECK:       4:
; AKF_CHECK-NEXT:    ret void
;
; ATTRIBUTOR_CHECK-LABEL: define {{[^@]+}}@internal3
; ATTRIBUTOR_CHECK-SAME: () #[[ATTR3:[0-9]+]] {
; ATTRIBUTOR_CHECK-NEXT:    [[TMP1:%.*]] = load i32, i32* @G2, align 4
; ATTRIBUTOR_CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0
; ATTRIBUTOR_CHECK-NEXT:    br i1 [[TMP2]], label [[TMP3:%.*]], label [[TMP4:%.*]]
; ATTRIBUTOR_CHECK:       3:
; ATTRIBUTOR_CHECK-NEXT:    call void @internal4() #[[ATTR6:[0-9]+]]
; ATTRIBUTOR_CHECK-NEXT:    call void @internal3() #[[ATTR7:[0-9]+]]
; ATTRIBUTOR_CHECK-NEXT:    br label [[TMP4]]
; ATTRIBUTOR_CHECK:       4:
; ATTRIBUTOR_CHECK-NEXT:    ret void
;
  %1 = load i32, i32* @G2, align 4
  %2 = icmp eq i32 %1, 0
  br i1 %2, label %3, label %4
3:
  call void @internal4()
  call void @internal3()
  br label %4
4:
  ret void
}

define internal void @internal4() {
; AKF_CHECK-LABEL: define {{[^@]+}}@internal4
; AKF_CHECK-SAME: () #[[ATTR2]] {
; AKF_CHECK-NEXT:    store i32 1, i32* @G2, align 4
; AKF_CHECK-NEXT:    ret void
;
; ATTRIBUTOR_CHECK-LABEL: define {{[^@]+}}@internal4
; ATTRIBUTOR_CHECK-SAME: () #[[ATTR4:[0-9]+]] {
; ATTRIBUTOR_CHECK-NEXT:    store i32 1, i32* @G2, align 4
; ATTRIBUTOR_CHECK-NEXT:    ret void
;
  store i32 1, i32* @G2, align 4
  ret void
}

define internal void @internal2() {
; AKF_CHECK-LABEL: define {{[^@]+}}@internal2
; AKF_CHECK-SAME: () #[[ATTR2]] {
; AKF_CHECK-NEXT:    call void @internal3()
; AKF_CHECK-NEXT:    ret void
;
; ATTRIBUTOR_CHECK-LABEL: define {{[^@]+}}@internal2
; ATTRIBUTOR_CHECK-SAME: () #[[ATTR3]] {
; ATTRIBUTOR_CHECK-NEXT:    call void @internal3() #[[ATTR7]]
; ATTRIBUTOR_CHECK-NEXT:    ret void
;
  call void @internal3()
  ret void
}

define amdgpu_kernel void @kernel2() #0 {
; AKF_CHECK-LABEL: define {{[^@]+}}@kernel2
; AKF_CHECK-SAME: () #[[ATTR1]] {
; AKF_CHECK-NEXT:    call void @internal2()
; AKF_CHECK-NEXT:    ret void
;
; ATTRIBUTOR_CHECK-LABEL: define {{[^@]+}}@kernel2
; ATTRIBUTOR_CHECK-SAME: () #[[ATTR2]] {
; ATTRIBUTOR_CHECK-NEXT:    call void @internal2() #[[ATTR5]]
; ATTRIBUTOR_CHECK-NEXT:    ret void
;
  call void @internal2()
  ret void
}

attributes #0 = { "uniform-work-group-size"="true" }

;.
; AKF_CHECK: attributes #[[ATTR0]] = { "uniform-work-group-size"="false" }
; AKF_CHECK: attributes #[[ATTR1]] = { "amdgpu-calls" "uniform-work-group-size"="true" }
; AKF_CHECK: attributes #[[ATTR2]] = { "uniform-work-group-size"="true" }
;.
; ATTRIBUTOR_CHECK: attributes #[[ATTR0]] = { "uniform-work-group-size"="false" }
; ATTRIBUTOR_CHECK: attributes #[[ATTR1]] = { nofree nosync nounwind willreturn "uniform-work-group-size"="false" }
; ATTRIBUTOR_CHECK: attributes #[[ATTR2]] = { "amdgpu-calls" "uniform-work-group-size"="true" }
; ATTRIBUTOR_CHECK: attributes #[[ATTR3]] = { nofree nosync nounwind "uniform-work-group-size"="true" }
; ATTRIBUTOR_CHECK: attributes #[[ATTR4]] = { nofree nosync nounwind willreturn writeonly "uniform-work-group-size"="true" }
; ATTRIBUTOR_CHECK: attributes #[[ATTR5]] = { nounwind }
; ATTRIBUTOR_CHECK: attributes #[[ATTR6]] = { nofree nosync nounwind willreturn writeonly }
; ATTRIBUTOR_CHECK: attributes #[[ATTR7]] = { nofree nosync nounwind }
;.