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llvm-project/polly/test/ForwardOpTree/atax.ll

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; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-optree-normalize-phi=true -polly-optree -analyze < %s | FileCheck %s -match-full-lines
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define internal fastcc void @kernel_atax([2100 x double]* nocapture readonly %A, double* nocapture readonly %x, double* nocapture %y, double* nocapture %tmp) unnamed_addr #0 {
entry:
br label %entry.split
entry.split: ; preds = %entry
%y15 = bitcast double* %y to i8*
call void @llvm.memset.p0i8.i64(i8* %y15, i8 0, i64 16800, i32 8, i1 false)
br label %for.body3
for.body3: ; preds = %for.inc40, %entry.split
%indvars.iv8 = phi i64 [ 0, %entry.split ], [ %indvars.iv.next9, %for.inc40 ]
%arrayidx5 = getelementptr inbounds double, double* %tmp, i64 %indvars.iv8
store double 0.000000e+00, double* %arrayidx5, align 8, !tbaa !6
br label %for.body8
for.body8: ; preds = %for.body8, %for.body3
%0 = phi double [ 0.000000e+00, %for.body3 ], [ %add, %for.body8 ]
%indvars.iv = phi i64 [ 0, %for.body3 ], [ %indvars.iv.next, %for.body8 ]
%arrayidx14 = getelementptr inbounds [2100 x double], [2100 x double]* %A, i64 %indvars.iv8, i64 %indvars.iv
%1 = load double, double* %arrayidx14, align 8, !tbaa !6
%arrayidx16 = getelementptr inbounds double, double* %x, i64 %indvars.iv
%2 = load double, double* %arrayidx16, align 8, !tbaa !6
%mul = fmul double %1, %2
%add = fadd double %0, %mul
store double %add, double* %arrayidx5, align 8, !tbaa !6
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond = icmp eq i64 %indvars.iv.next, 2
br i1 %exitcond, label %for.end21, label %for.body8
for.end21: ; preds = %for.body8
br label %for.body24
for.body24: ; preds = %for.body24.for.body24_crit_edge, %for.end21
%3 = phi double [ %add, %for.end21 ], [ %.pre, %for.body24.for.body24_crit_edge ]
%indvars.iv5 = phi i64 [ 0, %for.end21 ], [ %indvars.iv.next6, %for.body24.for.body24_crit_edge ]
%arrayidx26 = getelementptr inbounds double, double* %y, i64 %indvars.iv5
%4 = load double, double* %arrayidx26, align 8, !tbaa !6
%arrayidx30 = getelementptr inbounds [2100 x double], [2100 x double]* %A, i64 %indvars.iv8, i64 %indvars.iv5
%5 = load double, double* %arrayidx30, align 8, !tbaa !6
%mul33 = fmul double %5, %3
%add34 = fadd double %4, %mul33
store double %add34, double* %arrayidx26, align 8, !tbaa !6
%indvars.iv.next6 = add nuw nsw i64 %indvars.iv5, 1
%exitcond7 = icmp eq i64 %indvars.iv.next6, 2
br i1 %exitcond7, label %for.inc40, label %for.body24.for.body24_crit_edge
for.body24.for.body24_crit_edge: ; preds = %for.body24
%.pre = load double, double* %arrayidx5, align 8, !tbaa !6
br label %for.body24
for.inc40: ; preds = %for.body24
%indvars.iv.next9 = add nuw nsw i64 %indvars.iv8, 1
%exitcond10 = icmp eq i64 %indvars.iv.next9, 2
br i1 %exitcond10, label %for.end42, label %for.body3
for.end42: ; preds = %for.inc40
ret void
}
; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i32, i1) #1
attributes #0 = { noinline norecurse nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { argmemonly nounwind }
!llvm.module.flags = !{!0}
!llvm.ident = !{!1}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{!"clang version 6.0.0 (trunk 312565) (llvm/trunk 312564)"}
!2 = !{!3, !3, i64 0}
!3 = !{!"any pointer", !4, i64 0}
!4 = !{!"omnipotent char", !5, i64 0}
!5 = !{!"Simple C/C++ TBAA"}
!6 = !{!7, !7, i64 0}
!7 = !{!"double", !4, i64 0}
; CHECK: Statistics {
; CHECK: Operand trees forwarded: 2
; CHECK: Statements with forwarded operand trees: 2
; CHECK: }
; CHECK-NEXT: After statements {
; CHECK-NEXT: Stmt_for_body3
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: { Stmt_for_body3[i0] -> MemRef_tmp[i0] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_for_body3[i0] -> MemRef1__phi[] };
; CHECK-NEXT: Instructions {
; CHECK-NEXT: store double 0.000000e+00, double* %arrayidx5, align 8, !tbaa !2
; CHECK-NEXT: }
; CHECK-NEXT: Stmt_for_body8
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_for_body8[i0, i1] -> MemRef1__phi[] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_for_body8[i0, i1] -> MemRef1__phi[] };
; CHECK-NEXT: new: { Stmt_for_body8[i0, i1] -> MemRef_tmp[i0] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: { Stmt_for_body8[i0, i1] -> MemRef_A[i0, i1] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: { Stmt_for_body8[i0, i1] -> MemRef_x[i1] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: { Stmt_for_body8[i0, i1] -> MemRef_tmp[i0] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_for_body8[i0, i1] -> MemRef_add[] };
; CHECK-NEXT: Instructions {
; CHECK-NEXT: %0 = phi double [ 0.000000e+00, %for.body3 ], [ %add, %for.body8 ]
; CHECK-NEXT: %1 = load double, double* %arrayidx14, align 8, !tbaa !2
; CHECK-NEXT: %2 = load double, double* %arrayidx16, align 8, !tbaa !2
; CHECK-NEXT: %mul = fmul double %1, %2
; CHECK-NEXT: %add = fadd double %0, %mul
; CHECK-NEXT: store double %add, double* %arrayidx5, align 8, !tbaa !2
; CHECK-NEXT: %exitcond = icmp eq i64 %indvars.iv.next, 2
; CHECK-NEXT: }
; CHECK-NEXT: Stmt_for_end21
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_for_end21[i0] -> MemRef_add[] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_for_end21[i0] -> MemRef5__phi[] };
; CHECK-NEXT: Instructions {
; CHECK-NEXT: }
; CHECK-NEXT: Stmt_for_body24
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_for_body24[i0, i1] -> MemRef5__phi[] };
; CHECK-NEXT: new: { Stmt_for_body24[i0, i1] -> MemRef_tmp[i0] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: { Stmt_for_body24[i0, i1] -> MemRef_y[i1] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: { Stmt_for_body24[i0, i1] -> MemRef_A[i0, i1] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: { Stmt_for_body24[i0, i1] -> MemRef_y[i1] };
; CHECK-NEXT: Instructions {
; CHECK-NEXT: %3 = phi double [ %add, %for.end21 ], [ %.pre, %for.body24.for.body24_crit_edge ]
; CHECK-NEXT: %4 = load double, double* %arrayidx26, align 8, !tbaa !2
; CHECK-NEXT: %5 = load double, double* %arrayidx30, align 8, !tbaa !2
; CHECK-NEXT: %mul33 = fmul double %5, %3
; CHECK-NEXT: %add34 = fadd double %4, %mul33
; CHECK-NEXT: store double %add34, double* %arrayidx26, align 8, !tbaa !2
; CHECK-NEXT: %exitcond7 = icmp eq i64 %indvars.iv.next6, 2
; CHECK-NEXT: }
; CHECK-NEXT: Stmt_for_body24_for_body24_crit_edge
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_for_body24_for_body24_crit_edge[i0, i1] -> MemRef5__phi[] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: { Stmt_for_body24_for_body24_crit_edge[i0, i1] -> MemRef_tmp[i0] };
; CHECK-NEXT: Instructions {
; CHECK-NEXT: %.pre = load double, double* %arrayidx5, align 8, !tbaa !2
; CHECK-NEXT: }
; CHECK-NEXT: }
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