llvm/test/Analysis/Delinearization/constant_functions_multi_dim.ll

; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 5
; RUN: opt < %s -passes='print<delinearization>' -disable-output 2>&1 | FileCheck %s

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

; Function Attrs: noinline nounwind uwtable
define void @mat_mul(ptr %C, ptr %A, ptr %B, i64 %N) !kernel_arg_addr_space !2 !kernel_arg_access_qual !3 !kernel_arg_type !4 !kernel_arg_base_type !4 !kernel_arg_type_qual !5 {
; CHECK-LABEL: 'mat_mul'
; CHECK-NEXT:  Inst: %tmp = load float, ptr %arrayidx, align 4
; CHECK-NEXT:  AccessFunction: {(4 * %N * %call),+,4}<%for.inc>
; CHECK-NEXT:  Base offset: %A
; CHECK-NEXT:  ArrayDecl[UnknownSize][%N] with elements of 4 bytes.
; CHECK-NEXT:  ArrayRef[%call][{0,+,1}<nuw><nsw><%for.inc>]
; CHECK-EMPTY:
; CHECK-NEXT:  Inst: %tmp5 = load float, ptr %arrayidx4, align 4
; CHECK-NEXT:  AccessFunction: {(4 * %call1),+,(4 * %N)}<%for.inc>
; CHECK-NEXT:  Base offset: %B
; CHECK-NEXT:  ArrayDecl[UnknownSize][%N] with elements of 4 bytes.
; CHECK-NEXT:  ArrayRef[{0,+,1}<nuw><nsw><%for.inc>][%call1]
;
entry:
  br label %entry.split

entry.split:                                      ; preds = %entry
  %call = tail call i64 @_Z13get_global_idj(i32 0)
  %call1 = tail call i64 @_Z13get_global_idj(i32 1)
  %cmp1 = icmp sgt i64 %N, 0
  %mul = mul nsw i64 %call, %N
  br i1 %cmp1, label %for.inc.lr.ph, label %for.end

for.inc.lr.ph:                                    ; preds = %entry.split
  br label %for.inc

for.inc:                                          ; preds = %for.inc.lr.ph, %for.inc
  %acc.03 = phi float [ 0.000000e+00, %for.inc.lr.ph ], [ %tmp6, %for.inc ]
  %m.02 = phi i64 [ 0, %for.inc.lr.ph ], [ %inc, %for.inc ]
  %add = add nsw i64 %m.02, %mul
  %arrayidx = getelementptr inbounds float, ptr %A, i64 %add
  %tmp = load float, ptr %arrayidx, align 4
  %mul2 = mul nsw i64 %m.02, %N
  %add3 = add nsw i64 %mul2, %call1
  %arrayidx4 = getelementptr inbounds float, ptr %B, i64 %add3
  %tmp5 = load float, ptr %arrayidx4, align 4
  %tmp6 = tail call float @llvm.fmuladd.f32(float %tmp, float %tmp5, float %acc.03)
  %inc = add nuw nsw i64 %m.02, 1
  %exitcond = icmp ne i64 %inc, %N
  br i1 %exitcond, label %for.inc, label %for.cond.for.end_crit_edge

for.cond.for.end_crit_edge:                       ; preds = %for.inc
  %.lcssa = phi float [ %tmp6, %for.inc ]
  br label %for.end

for.end:                                          ; preds = %for.cond.for.end_crit_edge, %entry.split
  %acc.0.lcssa = phi float [ %.lcssa, %for.cond.for.end_crit_edge ], [ 0.000000e+00, %entry.split ]
  %add7 = add nsw i64 %mul, %call1
  %arrayidx8 = getelementptr inbounds float, ptr %C, i64 %add7
  store float %acc.0.lcssa, ptr %arrayidx8, align 4
  ret void
}

; Function Attrs: nounwind readnone
declare i64 @_Z13get_global_idj(i32)

; Function Attrs: nounwind readnone speculatable
declare float @llvm.fmuladd.f32(float, float, float)

!llvm.module.flags = !{!0}
!llvm.ident = !{!1}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{!"clang version 5.0.0 (trunk 303846) (llvm/trunk 303834)"}
!2 = !{i32 1, i32 1, i32 1, i32 0}
!3 = !{!"none", !"none", !"none", !"none"}
!4 = !{!"float*", !"float*", !"float*", !"long"}
!5 = !{!"", !"", !"", !""}