llvm/test/Transforms/LoopIdiom/memset-pattern-tbaa.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals
; RUN: opt -passes="loop-idiom" < %s -S | FileCheck %s

target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"

target triple = "x86_64-apple-darwin10.0.0"


define dso_local void @double_memset(ptr nocapture %p) {
; CHECK-LABEL: @double_memset(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    call void @llvm.experimental.memset.pattern.p0.f64.i64(ptr align 1 [[P:%.*]], double 3.141590e+00, i64 16, i1 false), !tbaa [[TBAA0:![0-9]+]]
; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
; CHECK:       for.cond.cleanup:
; CHECK-NEXT:    ret void
; CHECK:       for.body:
; CHECK-NEXT:    [[I_07:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT:    [[PTR1:%.*]] = getelementptr inbounds double, ptr [[P]], i64 [[I_07]]
; CHECK-NEXT:    [[INC]] = add nuw nsw i64 [[I_07]], 1
; CHECK-NEXT:    [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], 16
; CHECK-NEXT:    br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]]
;
entry:
  br label %for.body

for.cond.cleanup:
  ret void

for.body:
  %i.07 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
  %ptr1 = getelementptr inbounds double, ptr %p, i64 %i.07
  store double 3.14159e+00, ptr %ptr1, align 1, !tbaa !5
  %inc = add nuw nsw i64 %i.07, 1
  %exitcond.not = icmp eq i64 %inc, 16
  br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}


define dso_local void @struct_memset(ptr nocapture %p) {
; CHECK-LABEL: @struct_memset(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    call void @llvm.experimental.memset.pattern.p0.f64.i64(ptr align 1 [[P:%.*]], double 3.141590e+00, i64 16, i1 false), !tbaa [[TBAA4:![0-9]+]]
; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
; CHECK:       for.cond.cleanup:
; CHECK-NEXT:    ret void
; CHECK:       for.body:
; CHECK-NEXT:    [[I_07:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT:    [[PTR1:%.*]] = getelementptr inbounds double, ptr [[P]], i64 [[I_07]]
; CHECK-NEXT:    [[INC]] = add nuw nsw i64 [[I_07]], 1
; CHECK-NEXT:    [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], 16
; CHECK-NEXT:    br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]]
;
entry:
  br label %for.body

for.cond.cleanup:
  ret void

for.body:
  %i.07 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
  %ptr1 = getelementptr inbounds double, ptr %p, i64 %i.07
  store double 3.14159e+00, ptr %ptr1, align 1, !tbaa !10
  %inc = add nuw nsw i64 %i.07, 1
  %exitcond.not = icmp eq i64 %inc, 16
  br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}

define dso_local void @var_memset(ptr nocapture %p, i64 %len) {
; CHECK-LABEL: @var_memset(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    call void @llvm.experimental.memset.pattern.p0.f64.i64(ptr align 1 [[P:%.*]], double 3.141590e+00, i64 [[TMP0:%.*]], i1 false)
; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
; CHECK:       for.cond.cleanup:
; CHECK-NEXT:    ret void
; CHECK:       for.body:
; CHECK-NEXT:    [[I_07:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT:    [[PTR1:%.*]] = getelementptr inbounds double, ptr [[P]], i64 [[I_07]]
; CHECK-NEXT:    [[INC]] = add nuw nsw i64 [[I_07]], 1
; CHECK-NEXT:    [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[TMP0]]
; CHECK-NEXT:    br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]]
;
entry:
  br label %for.body

for.cond.cleanup:
  ret void

for.body:
  %i.07 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
  %ptr1 = getelementptr inbounds double, ptr %p, i64 %i.07
  store double 3.14159e+00, ptr %ptr1, align 1, !tbaa !10
  %inc = add nuw nsw i64 %i.07, 1
  %exitcond.not = icmp eq i64 %inc, %len
  br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}

!5 = !{!6, !6, i64 0}
!6 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}

!15 = !{!8, i64 0, !"omnipotent char"}
!17 = !{!15, i64 8, !"double"}
!9 = !{!15, i64 32, !"_ZTS1A", !17, i64 0, i64 8, !17, i64 8, i64 8, !17, i64 16, i64 8, !17, i64 24, i64 8}
!10 = !{!9, !17, i64 0, i64 1}

!18 = !{!19, !20, i64 0}
!19 = !{!"A", !20, i64 0, !22, i64 8}
!20 = !{!"any pointer", !7, i64 0}
!21 = !{!22, !20, i64 0}
!22 = !{!"B", !20, i64 0}
;.
; CHECK: attributes #[[ATTR0:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: write) }
;.
; CHECK: [[TBAA0]] = !{[[META1:![0-9]+]], [[META1]], i64 0}
; CHECK: [[META1]] = !{!"double", [[META2:![0-9]+]], i64 0}
; CHECK: [[META2]] = !{!"omnipotent char", [[META3:![0-9]+]], i64 0}
; CHECK: [[META3]] = !{!"Simple C++ TBAA"}
; CHECK: [[TBAA4]] = !{[[META5:![0-9]+]], [[META7:![0-9]+]], i64 0, i64 128}
; CHECK: [[META5]] = !{[[META6:![0-9]+]], i64 32, !"_ZTS1A", [[META7]], i64 0, i64 8, [[META7]], i64 8, i64 8, [[META7]], i64 16, i64 8, [[META7]], i64 24, i64 8}
; CHECK: [[META6]] = !{[[META3]], i64 0, !"omnipotent char"}
; CHECK: [[META7]] = !{[[META6]], i64 8, !"double"}
;.