llvm/test/Transforms/GlobalOpt/ARM/arm-widen-strings-struct-test.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt < %s -mtriple=arm-none-eabi -passes=globalopt -S | FileCheck %s
%struct.P = type { i32, [13 x i8] }

; CHECK-NOT: [16 x i8]
@.str = private unnamed_addr constant [13 x i8] c"hello world\0A\00", align 1

; Function Attrs: nounwind
define  i32 @main()   {
; CHECK-LABEL: define i32 @main() local_unnamed_addr {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[P:%.*]] = alloca [[STRUCT_P:%.*]], align 4
; CHECK-NEXT:    call void @llvm.lifetime.start.p0(i64 20, ptr nonnull [[P]])
; CHECK-NEXT:    store i32 10, ptr [[P]], align 4, !tbaa [[TBAA0:![0-9]+]]
; CHECK-NEXT:    [[ARRAYDECAY:%.*]] = getelementptr inbounds [[STRUCT_P]], ptr [[P]], i32 0, i32 1, i32 0
; CHECK-NEXT:    call void @llvm.memcpy.p0.p0.i32(ptr align 1 [[ARRAYDECAY]], ptr align 1 @.str, i32 13, i1 false)
; CHECK-NEXT:    [[PUTS:%.*]] = call i32 @puts(ptr [[ARRAYDECAY]])
; CHECK-NEXT:    call void @llvm.lifetime.end.p0(i64 20, ptr nonnull [[P]])
; CHECK-NEXT:    ret i32 0
;
entry:
  %p = alloca %struct.P, align 4
  call void @llvm.lifetime.start(i64 20, ptr nonnull %p) #2
  store i32 10, ptr %p, align 4, !tbaa !1
  %arraydecay = getelementptr inbounds %struct.P, ptr %p, i32 0, i32 1, i32 0
  call void @llvm.memcpy.p0i8.p0i8.i32(ptr align 1 %arraydecay, ptr align 1 @.str, i32 13, i1 false)
  %puts = call i32 @puts(ptr %arraydecay)
  call void @llvm.lifetime.end(i64 20, ptr nonnull %p) #2
  ret i32 0
}

declare i32 @puts(ptr nocapture readonly) #2

!1 = !{!2, !3, i64 0}
!2 = !{!"P", !3, i64 0, !4, i64 4}
!3 = !{!"int", !4, i64 0}
!4 = !{!"omnipotent char", !5, i64 0}
!5 = !{!"Simple C/C++ TBAA"}
;.
; CHECK: [[TBAA0]] = !{[[META1:![0-9]+]], [[META2:![0-9]+]], i64 0}
; CHECK: [[META1]] = !{!"P", [[META2]], i64 0, [[META3:![0-9]+]], i64 4}
; CHECK: [[META2]] = !{!"int", [[META3]], i64 0}
; CHECK: [[META3]] = !{!"omnipotent char", [[META4:![0-9]+]], i64 0}
; CHECK: [[META4]] = !{!"Simple C/C++ TBAA"}
;.