test/Transforms/OpenMP/parallel_deletion.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature
; RUN: opt -S -passes='attributor,cgscc(openmp-opt-cgscc)'  < %s | FileCheck %s
;
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

%struct.ident_t = type { i32, i32, i32, i32, ptr }

@.str = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1
@0 = private unnamed_addr global %struct.ident_t { i32 0, i32 2, i32 0, i32 0, ptr @.str }, align 8
@1 = private unnamed_addr global %struct.ident_t { i32 0, i32 322, i32 0, i32 0, ptr @.str }, align 8
@.gomp_critical_user_.reduction.var = common global [8 x i32] zeroinitializer
@2 = private unnamed_addr global %struct.ident_t { i32 0, i32 18, i32 0, i32 0, ptr @.str }, align 8

;    void delete_parallel_0(void) {
;    #pragma omp parallel
;      { unknown_willreturn(); }
;    #pragma omp parallel
;      { readonly_willreturn(); }
;    #pragma omp parallel
;      { readnone_willreturn(); }
;    #pragma omp parallel
;      {}
;    }
;
; We delete all but the first of the parallel regions in this test.
define void @delete_parallel_0() {
; CHECK-LABEL: define {{[^@]+}}@delete_parallel_0() {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0:[0-9]+]], i32 noundef 0, ptr noundef nonnull @.omp_outlined.willreturn)
; CHECK-NEXT:    ret void
;
; CHECK1-LABEL: define {{[^@]+}}@delete_parallel_0() {
; CHECK1-NEXT:  entry:
; CHECK1-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0:[0-9]+]], i32 noundef 0, ptr noundef @.omp_outlined.willreturn)
; CHECK1-NEXT:    ret void
; CHECK2-LABEL: define {{[^@]+}}@delete_parallel_0() {
; CHECK2-NEXT:  entry:
; CHECK2-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0:[0-9]+]], i32 noundef 0, ptr noundef @.omp_outlined.willreturn)
; CHECK2-NEXT:    ret void
entry:
  call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr nonnull @0, i32 0, ptr @.omp_outlined.willreturn)
  call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr nonnull @0, i32 0, ptr @.omp_outlined.willreturn.0)
  call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr nonnull @0, i32 0, ptr @.omp_outlined.willreturn.1)
  call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr nonnull @0, i32 0, ptr @.omp_outlined.willreturn.2)
  ret void
}

define internal void @.omp_outlined.willreturn(ptr noalias %.global_tid., ptr noalias %.bound_tid.) {
; CHECK-LABEL: define {{[^@]+}}@.omp_outlined.willreturn
; CHECK-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    call void @unknown() #[[ATTR15:[0-9]+]]
; CHECK-NEXT:    ret void
;
; CHECK1-LABEL: define {{[^@]+}}@.omp_outlined.willreturn
; CHECK1-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK1-NEXT:  entry:
; CHECK1-NEXT:    call void @unknown() #[[ATTR0]]
; CHECK1-NEXT:    ret void
; CHECK2-LABEL: define {{[^@]+}}@.omp_outlined.willreturn
; CHECK2-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK2-NEXT:  entry:
; CHECK2-NEXT:    call void @unknown() #[[ATTR0]]
; CHECK2-NEXT:    ret void
entry:
  call void @unknown() willreturn
  ret void
}

define internal void @.omp_outlined.willreturn.0(ptr noalias %.global_tid., ptr noalias %.bound_tid.) willreturn {
; CHECK-LABEL: define {{[^@]+}}@.omp_outlined.willreturn.0
; CHECK-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR1:[0-9]+]] {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    call void @readonly() #[[ATTR4:[0-9]+]]
; CHECK-NEXT:    ret void
;
; CHECK1-LABEL: define {{[^@]+}}@.omp_outlined.willreturn.0
; CHECK1-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR1:[0-9]+]] {
; CHECK1-NEXT:  entry:
; CHECK1-NEXT:    call void @readonly() #[[ATTR4:[0-9]+]]
; CHECK1-NEXT:    ret void
; CHECK2-LABEL: define {{[^@]+}}@.omp_outlined.willreturn.0
; CHECK2-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR1:[0-9]+]] {
; CHECK2-NEXT:  entry:
; CHECK2-NEXT:    call void @readonly() #[[ATTR4:[0-9]+]]
; CHECK2-NEXT:    ret void
entry:
  call void @readonly()
  ret void
}

define internal void @.omp_outlined.willreturn.1(ptr noalias %.global_tid., ptr noalias %.bound_tid.) {
; CHECK-LABEL: define {{[^@]+}}@.omp_outlined.willreturn.1
; CHECK-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR2:[0-9]+]] {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    call void @readnone() #[[ATTR16:[0-9]+]]
; CHECK-NEXT:    ret void
;
; CHECK1-LABEL: define {{[^@]+}}@.omp_outlined.willreturn.1
; CHECK1-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR2:[0-9]+]] {
; CHECK1-NEXT:  entry:
; CHECK1-NEXT:    call void @readnone() #[[ATTR0]]
; CHECK1-NEXT:    ret void
; CHECK2-LABEL: define {{[^@]+}}@.omp_outlined.willreturn.1
; CHECK2-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR2:[0-9]+]] {
; CHECK2-NEXT:  entry:
; CHECK2-NEXT:    call void @readnone() #[[ATTR0]]
; CHECK2-NEXT:    ret void
entry:
  call void @readnone() willreturn
  ret void
}

define internal void @.omp_outlined.willreturn.2(ptr noalias %.global_tid., ptr noalias %.bound_tid.) {
; CHECK-LABEL: define {{[^@]+}}@.omp_outlined.willreturn.2
; CHECK-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR3:[0-9]+]] {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    ret void
;
; CHECK1-LABEL: define {{[^@]+}}@.omp_outlined.willreturn.2
; CHECK1-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR3:[0-9]+]] {
; CHECK1-NEXT:  entry:
; CHECK1-NEXT:    ret void
; CHECK2-LABEL: define {{[^@]+}}@.omp_outlined.willreturn.2
; CHECK2-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR3:[0-9]+]] {
; CHECK2-NEXT:  entry:
; CHECK2-NEXT:    ret void
entry:
  ret void
}

;    void delete_parallel_1(void) {
;    #pragma omp parallel
;      { unknown(); }
;    #pragma omp parallel
;      { readonly(); }
;    #pragma omp parallel
;      { readnone(); }
;    #pragma omp parallel
;      {}
;    }
;
; We delete only the last parallel regions in this test because the others might not return.
define void @delete_parallel_1() {
; CHECK-LABEL: define {{[^@]+}}@delete_parallel_1() {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 0, ptr noundef nonnull @.omp_outlined.)
; CHECK-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 0, ptr noundef nonnull @.omp_outlined..0)
; CHECK-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 0, ptr noundef nonnull @.omp_outlined..1)
; CHECK-NEXT:    ret void
;
; CHECK1-LABEL: define {{[^@]+}}@delete_parallel_1() {
; CHECK1-NEXT:  entry:
; CHECK1-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 0, ptr noundef @.omp_outlined.)
; CHECK1-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 0, ptr noundef @.omp_outlined..0)
; CHECK1-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 0, ptr noundef @.omp_outlined..1)
; CHECK1-NEXT:    ret void
; CHECK2-LABEL: define {{[^@]+}}@delete_parallel_1() {
; CHECK2-NEXT:  entry:
; CHECK2-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 0, ptr noundef @.omp_outlined.)
; CHECK2-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 0, ptr noundef @.omp_outlined..0)
; CHECK2-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 0, ptr noundef @.omp_outlined..1)
; CHECK2-NEXT:    ret void
entry:
  call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr nonnull @0, i32 0, ptr @.omp_outlined.)
  call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr nonnull @0, i32 0, ptr @.omp_outlined..0)
  call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr nonnull @0, i32 0, ptr @.omp_outlined..1)
  call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr nonnull @0, i32 0, ptr @.omp_outlined..2)
  ret void
}

define internal void @.omp_outlined.(ptr noalias %.global_tid., ptr noalias %.bound_tid.) {
; CHECK-LABEL: define {{[^@]+}}@.omp_outlined.
; CHECK-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    call void @unknown()
; CHECK-NEXT:    ret void
;
; CHECK1-LABEL: define {{[^@]+}}@.omp_outlined.
; CHECK1-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) {
; CHECK1-NEXT:  entry:
; CHECK1-NEXT:    call void @unknown()
; CHECK1-NEXT:    ret void
; CHECK2-LABEL: define {{[^@]+}}@.omp_outlined.
; CHECK2-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) {
; CHECK2-NEXT:  entry:
; CHECK2-NEXT:    call void @unknown()
; CHECK2-NEXT:    ret void
entry:
  call void @unknown()
  ret void
}

define internal void @.omp_outlined..0(ptr noalias %.global_tid., ptr noalias %.bound_tid.) {
; CHECK-LABEL: define {{[^@]+}}@.omp_outlined..0
; CHECK-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    call void @readonly() #[[ATTR4]]
; CHECK-NEXT:    ret void
;
; CHECK1-LABEL: define {{[^@]+}}@.omp_outlined..0
; CHECK1-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR4]] {
; CHECK1-NEXT:  entry:
; CHECK1-NEXT:    call void @readonly() #[[ATTR4]]
; CHECK1-NEXT:    ret void
; CHECK2-LABEL: define {{[^@]+}}@.omp_outlined..0
; CHECK2-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR4]] {
; CHECK2-NEXT:  entry:
; CHECK2-NEXT:    call void @readonly() #[[ATTR4]]
; CHECK2-NEXT:    ret void
entry:
  call void @readonly()
  ret void
}

define internal void @.omp_outlined..1(ptr noalias %.global_tid., ptr noalias %.bound_tid.) {
; CHECK-LABEL: define {{[^@]+}}@.omp_outlined..1
; CHECK-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR5:[0-9]+]] {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    call void @readnone() #[[ATTR17:[0-9]+]]
; CHECK-NEXT:    ret void
;
; CHECK1-LABEL: define {{[^@]+}}@.omp_outlined..1
; CHECK1-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR5:[0-9]+]] {
; CHECK1-NEXT:  entry:
; CHECK1-NEXT:    call void @readnone()
; CHECK1-NEXT:    ret void
; CHECK2-LABEL: define {{[^@]+}}@.omp_outlined..1
; CHECK2-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR5:[0-9]+]] {
; CHECK2-NEXT:  entry:
; CHECK2-NEXT:    call void @readnone()
; CHECK2-NEXT:    ret void
entry:
  call void @readnone()
  ret void
}

define internal void @.omp_outlined..2(ptr noalias %.global_tid., ptr noalias %.bound_tid.) {
; CHECK-LABEL: define {{[^@]+}}@.omp_outlined..2
; CHECK-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR3]] {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    ret void
;
; CHECK1-LABEL: define {{[^@]+}}@.omp_outlined..2
; CHECK1-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR3]] {
; CHECK1-NEXT:  entry:
; CHECK1-NEXT:    ret void
; CHECK2-LABEL: define {{[^@]+}}@.omp_outlined..2
; CHECK2-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]]) #[[ATTR3]] {
; CHECK2-NEXT:  entry:
; CHECK2-NEXT:    ret void
entry:
  ret void
}

;    void delete_parallel_2(void) {
;      int a = 0;
;    #pragma omp parallel
;      {
;        if (omp_get_thread_num() == 0)
;          ++a;
;      }
;    #pragma omp parallel
;      {
;    #pragma omp master
;        ++a;
;      }
;    #pragma omp parallel
;      {
;    #pragma omp single
;        ++a;
;      }
;    #pragma omp parallel reduction(+: a)
;      {
;        ++a;
;      }
;    }
;
; FIXME: We do not realize that `a` is dead and all accesses to it can be removed
;        making the parallel regions readonly and deletable.
define void @delete_parallel_2() {
; CHECK-LABEL: define {{[^@]+}}@delete_parallel_2() {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[A:%.*]] = alloca i32, align 4
; CHECK-NEXT:    call void @llvm.lifetime.start.p0(i64 noundef 4, ptr noundef nonnull align 4 dereferenceable(4) [[A]]) #[[ATTR18:[0-9]+]]
; CHECK-NEXT:    store i32 0, ptr [[A]], align 4
; CHECK-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 1, ptr noundef nonnull @.omp_outlined..3, ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A]])
; CHECK-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 1, ptr noundef nonnull @.omp_outlined..4, ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A]])
; CHECK-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 1, ptr noundef nonnull @.omp_outlined..5, ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A]])
; CHECK-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 1, ptr noundef nonnull @.omp_outlined..6, ptr nocapture noundef nonnull align 4 dereferenceable(4) [[A]])
; CHECK-NEXT:    call void @llvm.lifetime.end.p0(i64 noundef 4, ptr noundef nonnull [[A]])
; CHECK-NEXT:    ret void
;
; CHECK1-LABEL: define {{[^@]+}}@delete_parallel_2() {
; CHECK1-NEXT:  entry:
; CHECK1-NEXT:    [[A:%.*]] = alloca i32, align 4
; CHECK1-NEXT:    call void @llvm.lifetime.start.p0(i64 noundef 4, ptr noundef nonnull align 4 dereferenceable(4) [[A]]) #[[ATTR0]]
; CHECK1-NEXT:    store i32 0, ptr [[A]], align 4
; CHECK1-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 1, ptr noundef @.omp_outlined..3, ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A]])
; CHECK1-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 1, ptr noundef @.omp_outlined..4, ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A]])
; CHECK1-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 1, ptr noundef @.omp_outlined..5, ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A]])
; CHECK1-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 1, ptr noundef @.omp_outlined..6, ptr nocapture noundef nonnull align 4 dereferenceable(4) [[A]])
; CHECK1-NEXT:    call void @llvm.lifetime.end.p0(i64 noundef 4, ptr noundef nonnull [[A]])
; CHECK1-NEXT:    ret void
; CHECK2-LABEL: define {{[^@]+}}@delete_parallel_2() {
; CHECK2-NEXT:  entry:
; CHECK2-NEXT:    [[A:%.*]] = alloca i32, align 4
; CHECK2-NEXT:    call void @llvm.lifetime.start.p0(i64 noundef 4, ptr noundef nonnull align 4 dereferenceable(4) [[A]]) #[[ATTR0]]
; CHECK2-NEXT:    store i32 0, ptr [[A]], align 4
; CHECK2-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 1, ptr noundef @.omp_outlined..3, ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A]])
; CHECK2-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 1, ptr noundef @.omp_outlined..4, ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A]])
; CHECK2-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 1, ptr noundef @.omp_outlined..5, ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A]])
; CHECK2-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr noundef nonnull align 8 dereferenceable(24) @[[GLOB0]], i32 noundef 1, ptr noundef @.omp_outlined..6, ptr nocapture noundef nonnull align 4 dereferenceable(4) [[A]])
; CHECK2-NEXT:    call void @llvm.lifetime.end.p0(i64 noundef 4, ptr noundef nonnull [[A]])
; CHECK2-NEXT:    ret void
entry:
  %a = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %a)
  store i32 0, ptr %a, align 4
  call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr nonnull @0, i32 1, ptr @.omp_outlined..3, ptr nonnull %a)
  call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr nonnull @0, i32 1, ptr @.omp_outlined..4, ptr nonnull %a)
  call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr nonnull @0, i32 1, ptr @.omp_outlined..5, ptr nonnull %a)
  call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr nonnull @0, i32 1, ptr @.omp_outlined..6, ptr nonnull %a)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %a)
  ret void
}

define internal void @.omp_outlined..3(ptr noalias %.global_tid., ptr noalias %.bound_tid., ptr dereferenceable(4) %a) {
; CHECK-LABEL: define {{[^@]+}}@.omp_outlined..3
; CHECK-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]], ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A:%.*]]) #[[ATTR6:[0-9]+]] {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[CALL:%.*]] = call i32 @omp_get_thread_num() #[[ATTR19:[0-9]+]]
; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
; CHECK-NEXT:    br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK:       if.then:
; CHECK-NEXT:    [[TMP:%.*]] = load i32, ptr [[A]], align 4
; CHECK-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP]], 1
; CHECK-NEXT:    store i32 [[INC]], ptr [[A]], align 4
; CHECK-NEXT:    br label [[IF_END]]
; CHECK:       if.end:
; CHECK-NEXT:    ret void
;
; CHECK1-LABEL: define {{[^@]+}}@.omp_outlined..3
; CHECK1-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]], ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A:%.*]]) #[[ATTR6:[0-9]+]] {
; CHECK1-NEXT:  entry:
; CHECK1-NEXT:    [[CALL:%.*]] = call i32 @omp_get_thread_num() #[[ATTR14:[0-9]+]]
; CHECK1-NEXT:    [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
; CHECK1-NEXT:    br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK1:       if.then:
; CHECK1-NEXT:    [[TMP:%.*]] = load i32, ptr [[A]], align 4
; CHECK1-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP]], 1
; CHECK1-NEXT:    store i32 [[INC]], ptr [[A]], align 4
; CHECK1-NEXT:    br label [[IF_END]]
; CHECK1:       if.end:
; CHECK1-NEXT:    ret void
; CHECK2-LABEL: define {{[^@]+}}@.omp_outlined..3
; CHECK2-SAME: (ptr noalias nocapture nofree readnone [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]], ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A:%.*]]) #[[ATTR6:[0-9]+]] {
; CHECK2-NEXT:  entry:
; CHECK2-NEXT:    [[CALL:%.*]] = call i32 @omp_get_thread_num() #[[ATTR14:[0-9]+]]
; CHECK2-NEXT:    [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
; CHECK2-NEXT:    br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK2:       if.then:
; CHECK2-NEXT:    [[TMP:%.*]] = load i32, ptr [[A]], align 4
; CHECK2-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP]], 1
; CHECK2-NEXT:    store i32 [[INC]], ptr [[A]], align 4
; CHECK2-NEXT:    br label [[IF_END]]
; CHECK2:       if.end:
; CHECK2-NEXT:    ret void
entry:
  %call = call i32 @omp_get_thread_num()
  %cmp = icmp eq i32 %call, 0
  br i1 %cmp, label %if.then, label %if.end

if.then:                                          ; preds = %entry
  %tmp = load i32, ptr %a, align 4
  %inc = add nsw i32 %tmp, 1
  store i32 %inc, ptr %a, align 4
  br label %if.end

if.end:                                           ; preds = %if.then, %entry
  ret void
}

define internal void @.omp_outlined..4(ptr noalias %.global_tid., ptr noalias %.bound_tid., ptr dereferenceable(4) %a) {
; CHECK-LABEL: define {{[^@]+}}@.omp_outlined..4
; CHECK-SAME: (ptr noalias nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]], ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A:%.*]]) {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP:%.*]] = load i32, ptr [[DOTGLOBAL_TID_]], align 4
; CHECK-NEXT:    [[TRUETMP1:%.*]] = call i32 @__kmpc_master(ptr noundef nonnull @[[GLOB0]], i32 [[TMP]])
; CHECK-NEXT:    [[TRUETMP2:%.*]] = icmp eq i32 [[TRUETMP1]], 0
; CHECK-NEXT:    br i1 [[TRUETMP2]], label [[OMP_IF_END:%.*]], label [[OMP_IF_THEN:%.*]]
; CHECK:       omp_if.then:
; CHECK-NEXT:    [[TRUETMP3:%.*]] = load i32, ptr [[A]], align 4
; CHECK-NEXT:    [[INC:%.*]] = add nsw i32 [[TRUETMP3]], 1
; CHECK-NEXT:    store i32 [[INC]], ptr [[A]], align 4
; CHECK-NEXT:    call void @__kmpc_end_master(ptr noundef nonnull @[[GLOB0]], i32 [[TMP]])
; CHECK-NEXT:    br label [[OMP_IF_END]]
; CHECK:       omp_if.end:
; CHECK-NEXT:    ret void
;
; CHECK1-LABEL: define {{[^@]+}}@.omp_outlined..4
; CHECK1-SAME: (ptr noalias nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]], ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A:%.*]]) {
; CHECK1-NEXT:  entry:
; CHECK1-NEXT:    [[TMP:%.*]] = load i32, ptr [[DOTGLOBAL_TID_]], align 4
; CHECK1-NEXT:    [[TMP1:%.*]] = call i32 @__kmpc_master(ptr noundef nonnull @[[GLOB0]], i32 [[TMP]])
; CHECK1-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0
; CHECK1-NEXT:    br i1 [[TMP2]], label [[OMP_IF_END:%.*]], label [[OMP_IF_THEN:%.*]]
; CHECK1:       omp_if.then:
; CHECK1-NEXT:    [[TMP3:%.*]] = load i32, ptr [[A]], align 4
; CHECK1-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP3]], 1
; CHECK1-NEXT:    store i32 [[INC]], ptr [[A]], align 4
; CHECK1-NEXT:    call void @__kmpc_end_master(ptr noundef nonnull @[[GLOB0]], i32 [[TMP]])
; CHECK1-NEXT:    br label [[OMP_IF_END]]
; CHECK1:       omp_if.end:
; CHECK1-NEXT:    ret void
; CHECK2-LABEL: define {{[^@]+}}@.omp_outlined..4
; CHECK2-SAME: (ptr noalias nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]], ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A:%.*]]) {
; CHECK2-NEXT:  entry:
; CHECK2-NEXT:    [[TMP:%.*]] = load i32, ptr [[DOTGLOBAL_TID_]], align 4
; CHECK2-NEXT:    [[TMP1:%.*]] = call i32 @__kmpc_master(ptr noundef nonnull @[[GLOB0]], i32 [[TMP]])
; CHECK2-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0
; CHECK2-NEXT:    br i1 [[TMP2]], label [[OMP_IF_END:%.*]], label [[OMP_IF_THEN:%.*]]
; CHECK2:       omp_if.then:
; CHECK2-NEXT:    [[TMP3:%.*]] = load i32, ptr [[A]], align 4
; CHECK2-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP3]], 1
; CHECK2-NEXT:    store i32 [[INC]], ptr [[A]], align 4
; CHECK2-NEXT:    call void @__kmpc_end_master(ptr noundef nonnull @[[GLOB0]], i32 [[TMP]])
; CHECK2-NEXT:    br label [[OMP_IF_END]]
; CHECK2:       omp_if.end:
; CHECK2-NEXT:    ret void
entry:
  %tmp = load i32, ptr %.global_tid., align 4
  %tmp1 = call i32 @__kmpc_master(ptr nonnull @0, i32 %tmp)
  %tmp2 = icmp eq i32 %tmp1, 0
  br i1 %tmp2, label %omp_if.end, label %omp_if.then

omp_if.then:                                      ; preds = %entry
  %tmp3 = load i32, ptr %a, align 4
  %inc = add nsw i32 %tmp3, 1
  store i32 %inc, ptr %a, align 4
  call void @__kmpc_end_master(ptr nonnull @0, i32 %tmp)
  br label %omp_if.end

omp_if.end:                                       ; preds = %entry, %omp_if.then
  ret void
}

declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture)

declare i32 @omp_get_thread_num() inaccessiblememonly nofree nosync nounwind readonly

declare i32 @__kmpc_master(ptr, i32)

declare void @__kmpc_end_master(ptr, i32)

define internal void @.omp_outlined..5(ptr noalias %.global_tid., ptr noalias %.bound_tid., ptr dereferenceable(4) %a) {
; CHECK-LABEL: define {{[^@]+}}@.omp_outlined..5
; CHECK-SAME: (ptr noalias nocapture nofree readonly [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]], ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A:%.*]]) {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[OMP_GLOBAL_THREAD_NUM:%.*]] = call i32 @__kmpc_global_thread_num(ptr noundef nonnull @[[GLOB0]]) #[[ATTR19]]
; CHECK-NEXT:    [[TMP:%.*]] = load i32, ptr [[DOTGLOBAL_TID_]], align 4
; CHECK-NEXT:    [[TRUETMP1:%.*]] = call i32 @__kmpc_single(ptr noundef nonnull @[[GLOB0]], i32 [[TMP]])
; CHECK-NEXT:    [[TRUETMP2:%.*]] = icmp eq i32 [[TRUETMP1]], 0
; CHECK-NEXT:    br i1 [[TRUETMP2]], label [[OMP_IF_END:%.*]], label [[OMP_IF_THEN:%.*]]
; CHECK:       omp_if.then:
; CHECK-NEXT:    [[TRUETMP3:%.*]] = load i32, ptr [[A]], align 4
; CHECK-NEXT:    [[INC:%.*]] = add nsw i32 [[TRUETMP3]], 1
; CHECK-NEXT:    store i32 [[INC]], ptr [[A]], align 4
; CHECK-NEXT:    call void @__kmpc_end_single(ptr noundef nonnull @[[GLOB0]], i32 [[TMP]])
; CHECK-NEXT:    br label [[OMP_IF_END]]
; CHECK:       omp_if.end:
; CHECK-NEXT:    call void @__kmpc_barrier(ptr noundef nonnull @[[GLOB1:[0-9]+]], i32 [[OMP_GLOBAL_THREAD_NUM]])
; CHECK-NEXT:    ret void
;
; CHECK1-LABEL: define {{[^@]+}}@.omp_outlined..5
; CHECK1-SAME: (ptr noalias nocapture nofree readonly [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]], ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A:%.*]]) {
; CHECK1-NEXT:  entry:
; CHECK1-NEXT:    [[OMP_GLOBAL_THREAD_NUM:%.*]] = call i32 @__kmpc_global_thread_num(ptr noundef nonnull @[[GLOB0]]) #[[ATTR14]]
; CHECK1-NEXT:    [[TMP:%.*]] = load i32, ptr [[DOTGLOBAL_TID_]], align 4
; CHECK1-NEXT:    [[TMP1:%.*]] = call i32 @__kmpc_single(ptr noundef nonnull @[[GLOB0]], i32 [[TMP]])
; CHECK1-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0
; CHECK1-NEXT:    br i1 [[TMP2]], label [[OMP_IF_END:%.*]], label [[OMP_IF_THEN:%.*]]
; CHECK1:       omp_if.then:
; CHECK1-NEXT:    [[TMP3:%.*]] = load i32, ptr [[A]], align 4
; CHECK1-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP3]], 1
; CHECK1-NEXT:    store i32 [[INC]], ptr [[A]], align 4
; CHECK1-NEXT:    call void @__kmpc_end_single(ptr noundef nonnull @[[GLOB0]], i32 [[TMP]])
; CHECK1-NEXT:    br label [[OMP_IF_END]]
; CHECK1:       omp_if.end:
; CHECK1-NEXT:    call void @__kmpc_barrier(ptr noundef nonnull @[[GLOB1:[0-9]+]], i32 [[OMP_GLOBAL_THREAD_NUM]])
; CHECK1-NEXT:    ret void
; CHECK2-LABEL: define {{[^@]+}}@.omp_outlined..5
; CHECK2-SAME: (ptr noalias nocapture nofree readonly [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]], ptr nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A:%.*]]) {
; CHECK2-NEXT:  entry:
; CHECK2-NEXT:    [[OMP_GLOBAL_THREAD_NUM:%.*]] = call i32 @__kmpc_global_thread_num(ptr noundef nonnull @[[GLOB0]]) #[[ATTR14]]
; CHECK2-NEXT:    [[TMP:%.*]] = load i32, ptr [[DOTGLOBAL_TID_]], align 4
; CHECK2-NEXT:    [[TMP1:%.*]] = call i32 @__kmpc_single(ptr noundef nonnull @[[GLOB0]], i32 [[TMP]])
; CHECK2-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0
; CHECK2-NEXT:    br i1 [[TMP2]], label [[OMP_IF_END:%.*]], label [[OMP_IF_THEN:%.*]]
; CHECK2:       omp_if.then:
; CHECK2-NEXT:    [[TMP3:%.*]] = load i32, ptr [[A]], align 4
; CHECK2-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP3]], 1
; CHECK2-NEXT:    store i32 [[INC]], ptr [[A]], align 4
; CHECK2-NEXT:    call void @__kmpc_end_single(ptr noundef nonnull @[[GLOB0]], i32 [[TMP]])
; CHECK2-NEXT:    br label [[OMP_IF_END]]
; CHECK2:       omp_if.end:
; CHECK2-NEXT:    call void @__kmpc_barrier(ptr noundef nonnull @[[GLOB1:[0-9]+]], i32 [[OMP_GLOBAL_THREAD_NUM]])
; CHECK2-NEXT:    ret void
entry:
  %omp_global_thread_num = call i32 @__kmpc_global_thread_num(ptr nonnull @0)
  %tmp = load i32, ptr %.global_tid., align 4
  %tmp1 = call i32 @__kmpc_single(ptr nonnull @0, i32 %tmp)
  %tmp2 = icmp eq i32 %tmp1, 0
  br i1 %tmp2, label %omp_if.end, label %omp_if.then

omp_if.then:                                      ; preds = %entry
  %tmp3 = load i32, ptr %a, align 4
  %inc = add nsw i32 %tmp3, 1
  store i32 %inc, ptr %a, align 4
  call void @__kmpc_end_single(ptr nonnull @0, i32 %tmp)
  br label %omp_if.end

omp_if.end:                                       ; preds = %entry, %omp_if.then
  call void @__kmpc_barrier(ptr nonnull @1, i32 %omp_global_thread_num) #6
  ret void
}

define internal void @.omp_outlined..6(ptr noalias %.global_tid., ptr noalias %.bound_tid., ptr dereferenceable(4) %a) {
; CHECK-LABEL: define {{[^@]+}}@.omp_outlined..6
; CHECK-SAME: (ptr noalias nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]], ptr nocapture noundef nonnull align 4 dereferenceable(4) [[A:%.*]]) {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[A1:%.*]] = alloca i32, align 4
; CHECK-NEXT:    [[DOTOMP_REDUCTION_RED_LIST:%.*]] = alloca [1 x ptr], align 8
; CHECK-NEXT:    call void @llvm.lifetime.start.p0(i64 noundef 4, ptr noundef nonnull align 4 [[A1]]) #[[ATTR20:[0-9]+]]
; CHECK-NEXT:    store i32 1, ptr [[A1]], align 4
; CHECK-NEXT:    store ptr [[A1]], ptr [[DOTOMP_REDUCTION_RED_LIST]], align 8
; CHECK-NEXT:    [[TRUETMP2:%.*]] = load i32, ptr [[DOTGLOBAL_TID_]], align 4
; CHECK-NEXT:    [[TRUETMP4:%.*]] = call i32 @__kmpc_reduce_nowait(ptr noundef nonnull @[[GLOB2:[0-9]+]], i32 [[TRUETMP2]], i32 noundef 1, i64 noundef 8, ptr noundef nonnull align 8 [[DOTOMP_REDUCTION_RED_LIST]], ptr noundef nonnull @.omp.reduction.reduction_func, ptr noundef nonnull @.gomp_critical_user_.reduction.var)
; CHECK-NEXT:    switch i32 [[TRUETMP4]], label [[DOTOMP_REDUCTION_DEFAULT:%.*]] [
; CHECK-NEXT:    i32 1, label [[DOTOMP_REDUCTION_CASE1:%.*]]
; CHECK-NEXT:    i32 2, label [[DOTOMP_REDUCTION_CASE2:%.*]]
; CHECK-NEXT:    ]
; CHECK:       .omp.reduction.case1:
; CHECK-NEXT:    [[TRUETMP5:%.*]] = load i32, ptr [[A]], align 4
; CHECK-NEXT:    [[TRUETMP6:%.*]] = load i32, ptr [[A1]], align 4
; CHECK-NEXT:    [[ADD:%.*]] = add nsw i32 [[TRUETMP5]], [[TRUETMP6]]
; CHECK-NEXT:    store i32 [[ADD]], ptr [[A]], align 4
; CHECK-NEXT:    call void @__kmpc_end_reduce_nowait(ptr noundef nonnull @[[GLOB2]], i32 [[TRUETMP2]], ptr noundef nonnull @.gomp_critical_user_.reduction.var)
; CHECK-NEXT:    br label [[DOTOMP_REDUCTION_DEFAULT]]
; CHECK:       .omp.reduction.case2:
; CHECK-NEXT:    [[TRUETMP7:%.*]] = load i32, ptr [[A1]], align 4
; CHECK-NEXT:    [[TRUETMP8:%.*]] = atomicrmw add ptr [[A]], i32 [[TRUETMP7]] monotonic, align 4
; CHECK-NEXT:    br label [[DOTOMP_REDUCTION_DEFAULT]]
; CHECK:       .omp.reduction.default:
; CHECK-NEXT:    call void @llvm.lifetime.end.p0(i64 noundef 4, ptr noundef nonnull [[A1]])
; CHECK-NEXT:    ret void
;
; CHECK1-LABEL: define {{[^@]+}}@.omp_outlined..6
; CHECK1-SAME: (ptr noalias nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]], ptr nocapture noundef nonnull align 4 dereferenceable(4) [[A:%.*]]) {
; CHECK1-NEXT:  entry:
; CHECK1-NEXT:    [[A1:%.*]] = alloca i32, align 4
; CHECK1-NEXT:    [[DOTOMP_REDUCTION_RED_LIST:%.*]] = alloca [1 x ptr], align 8
; CHECK1-NEXT:    call void @llvm.lifetime.start.p0(i64 noundef 4, ptr noundef nonnull align 4 [[A1]]) #[[ATTR0]]
; CHECK1-NEXT:    store i32 1, ptr [[A1]], align 4
; CHECK1-NEXT:    store ptr [[A1]], ptr [[DOTOMP_REDUCTION_RED_LIST]], align 8
; CHECK1-NEXT:    [[TMP2:%.*]] = load i32, ptr [[DOTGLOBAL_TID_]], align 4
; CHECK1-NEXT:    [[TMP4:%.*]] = call i32 @__kmpc_reduce_nowait(ptr noundef nonnull @[[GLOB2:[0-9]+]], i32 [[TMP2]], i32 noundef 1, i64 noundef 8, ptr noundef nonnull align 8 [[DOTOMP_REDUCTION_RED_LIST]], ptr noundef nonnull @.omp.reduction.reduction_func, ptr noundef nonnull @.gomp_critical_user_.reduction.var)
; CHECK1-NEXT:    switch i32 [[TMP4]], label [[DOTOMP_REDUCTION_DEFAULT:%.*]] [
; CHECK1-NEXT:    i32 1, label [[DOTOMP_REDUCTION_CASE1:%.*]]
; CHECK1-NEXT:    i32 2, label [[DOTOMP_REDUCTION_CASE2:%.*]]
; CHECK1-NEXT:    ]
; CHECK1:       .omp.reduction.case1:
; CHECK1-NEXT:    [[TMP5:%.*]] = load i32, ptr [[A]], align 4
; CHECK1-NEXT:    [[TMP6:%.*]] = load i32, ptr [[A1]], align 4
; CHECK1-NEXT:    [[ADD:%.*]] = add nsw i32 [[TMP5]], [[TMP6]]
; CHECK1-NEXT:    store i32 [[ADD]], ptr [[A]], align 4
; CHECK1-NEXT:    call void @__kmpc_end_reduce_nowait(ptr noundef nonnull @[[GLOB2]], i32 [[TMP2]], ptr noundef nonnull @.gomp_critical_user_.reduction.var)
; CHECK1-NEXT:    br label [[DOTOMP_REDUCTION_DEFAULT]]
; CHECK1:       .omp.reduction.case2:
; CHECK1-NEXT:    [[TMP7:%.*]] = load i32, ptr [[A1]], align 4
; CHECK1-NEXT:    [[TMP8:%.*]] = atomicrmw add ptr [[A]], i32 [[TMP7]] monotonic, align 4
; CHECK1-NEXT:    br label [[DOTOMP_REDUCTION_DEFAULT]]
; CHECK1:       .omp.reduction.default:
; CHECK1-NEXT:    call void @llvm.lifetime.end.p0(i64 noundef 4, ptr noundef nonnull [[A1]])
; CHECK1-NEXT:    ret void
; CHECK2-LABEL: define {{[^@]+}}@.omp_outlined..6
; CHECK2-SAME: (ptr noalias nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[DOTGLOBAL_TID_:%.*]], ptr noalias nocapture nofree readnone [[DOTBOUND_TID_:%.*]], ptr nocapture noundef nonnull align 4 dereferenceable(4) [[A:%.*]]) {
; CHECK2-NEXT:  entry:
; CHECK2-NEXT:    [[A1:%.*]] = alloca i32, align 4
; CHECK2-NEXT:    [[DOTOMP_REDUCTION_RED_LIST:%.*]] = alloca [1 x ptr], align 8
; CHECK2-NEXT:    call void @llvm.lifetime.start.p0(i64 noundef 4, ptr noundef nonnull align 4 [[A1]]) #[[ATTR0]]
; CHECK2-NEXT:    store i32 1, ptr [[A1]], align 4
; CHECK2-NEXT:    store ptr [[A1]], ptr [[DOTOMP_REDUCTION_RED_LIST]], align 8
; CHECK2-NEXT:    [[TMP2:%.*]] = load i32, ptr [[DOTGLOBAL_TID_]], align 4
; CHECK2-NEXT:    [[TMP4:%.*]] = call i32 @__kmpc_reduce_nowait(ptr noundef nonnull @[[GLOB2:[0-9]+]], i32 [[TMP2]], i32 noundef 1, i64 noundef 8, ptr noundef nonnull align 8 [[DOTOMP_REDUCTION_RED_LIST]], ptr noundef nonnull @.omp.reduction.reduction_func, ptr noundef nonnull @.gomp_critical_user_.reduction.var)
; CHECK2-NEXT:    switch i32 [[TMP4]], label [[DOTOMP_REDUCTION_DEFAULT:%.*]] [
; CHECK2-NEXT:    i32 1, label [[DOTOMP_REDUCTION_CASE1:%.*]]
; CHECK2-NEXT:    i32 2, label [[DOTOMP_REDUCTION_CASE2:%.*]]
; CHECK2-NEXT:    ]
; CHECK2:       .omp.reduction.case1:
; CHECK2-NEXT:    [[TMP5:%.*]] = load i32, ptr [[A]], align 4
; CHECK2-NEXT:    [[TMP6:%.*]] = load i32, ptr [[A1]], align 4
; CHECK2-NEXT:    [[ADD:%.*]] = add nsw i32 [[TMP5]], [[TMP6]]
; CHECK2-NEXT:    store i32 [[ADD]], ptr [[A]], align 4
; CHECK2-NEXT:    call void @__kmpc_end_reduce_nowait(ptr noundef nonnull @[[GLOB2]], i32 [[TMP2]], ptr noundef nonnull @.gomp_critical_user_.reduction.var)
; CHECK2-NEXT:    br label [[DOTOMP_REDUCTION_DEFAULT]]
; CHECK2:       .omp.reduction.case2:
; CHECK2-NEXT:    [[TMP7:%.*]] = load i32, ptr [[A1]], align 4
; CHECK2-NEXT:    [[TMP8:%.*]] = atomicrmw add ptr [[A]], i32 [[TMP7]] monotonic, align 4
; CHECK2-NEXT:    br label [[DOTOMP_REDUCTION_DEFAULT]]
; CHECK2:       .omp.reduction.default:
; CHECK2-NEXT:    call void @llvm.lifetime.end.p0(i64 noundef 4, ptr noundef nonnull [[A1]])
; CHECK2-NEXT:    ret void
entry:
  %a1 = alloca i32, align 4
  %.omp.reduction.red_list = alloca [1 x ptr], align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %a1)
  store i32 1, ptr %a1, align 4
  store ptr %a1, ptr %.omp.reduction.red_list, align 8
  %tmp2 = load i32, ptr %.global_tid., align 4
  %tmp4 = call i32 @__kmpc_reduce_nowait(ptr nonnull @2, i32 %tmp2, i32 1, i64 8, ptr nonnull %.omp.reduction.red_list, ptr nonnull @.omp.reduction.reduction_func, ptr nonnull @.gomp_critical_user_.reduction.var)
  switch i32 %tmp4, label %.omp.reduction.default [
  i32 1, label %.omp.reduction.case1
  i32 2, label %.omp.reduction.case2
  ]

.omp.reduction.case1:                             ; preds = %entry
  %tmp5 = load i32, ptr %a, align 4
  %tmp6 = load i32, ptr %a1, align 4
  %add = add nsw i32 %tmp5, %tmp6
  store i32 %add, ptr %a, align 4
  call void @__kmpc_end_reduce_nowait(ptr nonnull @2, i32 %tmp2, ptr nonnull @.gomp_critical_user_.reduction.var)
  br label %.omp.reduction.default

.omp.reduction.case2:                             ; preds = %entry
  %tmp7 = load i32, ptr %a1, align 4
  %tmp8 = atomicrmw add ptr %a, i32 %tmp7 monotonic
  br label %.omp.reduction.default

.omp.reduction.default:                           ; preds = %.omp.reduction.case2, %.omp.reduction.case1, %entry
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %a1)
  ret void
}

define internal void @.omp.reduction.reduction_func(ptr %arg, ptr %arg1) {
; CHECK-LABEL: define {{[^@]+}}@.omp.reduction.reduction_func
; CHECK-SAME: (ptr nocapture nofree noundef nonnull readonly align 8 dereferenceable(8) [[ARG:%.*]], ptr nocapture nofree noundef nonnull readonly align 8 dereferenceable(8) [[ARG1:%.*]]) #[[ATTR10:[0-9]+]] {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TRUETMP2:%.*]] = load ptr, ptr [[ARG1]], align 8
; CHECK-NEXT:    [[TRUETMP4:%.*]] = load ptr, ptr [[ARG]], align 8
; CHECK-NEXT:    [[TRUETMP5:%.*]] = load i32, ptr [[TRUETMP4]], align 4
; CHECK-NEXT:    [[TRUETMP6:%.*]] = load i32, ptr [[TRUETMP2]], align 4
; CHECK-NEXT:    [[ADD:%.*]] = add nsw i32 [[TRUETMP5]], [[TRUETMP6]]
; CHECK-NEXT:    store i32 [[ADD]], ptr [[TRUETMP4]], align 4
; CHECK-NEXT:    ret void
;
; CHECK1-LABEL: define {{[^@]+}}@.omp.reduction.reduction_func
; CHECK1-SAME: (ptr nocapture nofree nonnull readonly align 8 dereferenceable(8) [[ARG:%.*]], ptr nocapture nofree nonnull readonly align 8 dereferenceable(8) [[ARG1:%.*]]) #[[ATTR10:[0-9]+]] {
; CHECK1-NEXT:  entry:
; CHECK1-NEXT:    [[TMP2:%.*]] = load ptr, ptr [[ARG1]], align 8
; CHECK1-NEXT:    [[TMP4:%.*]] = load ptr, ptr [[ARG]], align 8
; CHECK1-NEXT:    [[TMP5:%.*]] = load i32, ptr [[TMP4]], align 4
; CHECK1-NEXT:    [[TMP6:%.*]] = load i32, ptr [[TMP2]], align 4
; CHECK1-NEXT:    [[ADD:%.*]] = add nsw i32 [[TMP5]], [[TMP6]]
; CHECK1-NEXT:    store i32 [[ADD]], ptr [[TMP4]], align 4
; CHECK1-NEXT:    ret void
; CHECK2-LABEL: define {{[^@]+}}@.omp.reduction.reduction_func
; CHECK2-SAME: (ptr nocapture nofree nonnull readonly align 8 dereferenceable(8) [[ARG:%.*]], ptr nocapture nofree nonnull readonly align 8 dereferenceable(8) [[ARG1:%.*]]) #[[ATTR10:[0-9]+]] {
; CHECK2-NEXT:  entry:
; CHECK2-NEXT:    [[TMP2:%.*]] = load ptr, ptr [[ARG1]], align 8
; CHECK2-NEXT:    [[TMP4:%.*]] = load ptr, ptr [[ARG]], align 8
; CHECK2-NEXT:    [[TMP5:%.*]] = load i32, ptr [[TMP4]], align 4
; CHECK2-NEXT:    [[TMP6:%.*]] = load i32, ptr [[TMP2]], align 4
; CHECK2-NEXT:    [[ADD:%.*]] = add nsw i32 [[TMP5]], [[TMP6]]
; CHECK2-NEXT:    store i32 [[ADD]], ptr [[TMP4]], align 4
; CHECK2-NEXT:    ret void
entry:
  %tmp2 = load ptr, ptr %arg1, align 8
  %tmp4 = load ptr, ptr %arg, align 8
  %tmp5 = load i32, ptr %tmp4, align 4
  %tmp6 = load i32, ptr %tmp2, align 4
  %add = add nsw i32 %tmp5, %tmp6
  store i32 %add, ptr %tmp4, align 4
  ret void
}

declare i32 @__kmpc_single(ptr, i32)

declare void @__kmpc_end_single(ptr, i32)

declare void @__kmpc_barrier(ptr, i32)

declare i32 @__kmpc_global_thread_num(ptr) nofree nosync nounwind readonly

declare i32 @__kmpc_reduce_nowait(ptr, i32, i32, i64, ptr, ptr, ptr)

declare void @__kmpc_end_reduce_nowait(ptr, i32, ptr)

declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)

declare !callback !2 void @__kmpc_fork_call(ptr, i32, ptr, ...)

declare void @unknown()

declare void @readonly() readonly

declare void @readnone() readnone

!llvm.module.flags = !{!8}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{!"clang"}
!2 = !{!3}
!3 = !{i64 2, i64 -1, i64 -1, i1 true}
!4 = !{!5, !5, i64 0}
!5 = !{!"int", !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = !{i32 7, !"openmp", i32 50}