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| ; RUN: opt %loadPolly -pass-remarks-analysis="polly-scops" -polly-scops \
; RUN: -polly-invariant-load-hoisting=true \
; RUN: < %s 2>&1 | FileCheck %s
;
; This test case has an SCEVSMax expression with a very high arity. The
; piecewise affine function we would create for it would have a huge amount of
; conjuncts, thus it would take a lot of time creating and handling it.
;
; This ensures we bail out for really complex expressions:
;
; CHECK: Low complexity assumption: { : false }
;
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
; Function Attrs: norecurse nounwind
define i32 @foo(i32* nocapture readonly %src1, i32* nocapture readonly %src2, i32* nocapture %score, i32* nocapture %max, i32 %n) #0 {
entry:
%cmp33 = icmp sgt i32 %n, 0
br i1 %cmp33, label %for.body.preheader, label %for.body7.preheader
for.body.preheader: ; preds = %entry
br label %for.body
for.body7.preheader.loopexit: ; preds = %for.body
br label %for.body7.preheader
for.body7.preheader: ; preds = %for.body7.preheader.loopexit, %entry
%0 = load i32, i32* %score, align 4, !tbaa !3
%cmp9 = icmp sgt i32 %0, -1
%.scoreMax.0 = select i1 %cmp9, i32 %0, i32 -1
%arrayidx8.1 = getelementptr inbounds i32, i32* %score, i32 1
%1 = load i32, i32* %arrayidx8.1, align 4, !tbaa !3
%cmp9.1 = icmp sgt i32 %1, %.scoreMax.0
%.scoreMax.0.1 = select i1 %cmp9.1, i32 %1, i32 %.scoreMax.0
%arrayidx8.2 = getelementptr inbounds i32, i32* %score, i32 2
%2 = load i32, i32* %arrayidx8.2, align 4, !tbaa !3
%cmp9.2 = icmp sgt i32 %2, %.scoreMax.0.1
%.scoreMax.0.2 = select i1 %cmp9.2, i32 %2, i32 %.scoreMax.0.1
%arrayidx8.3 = getelementptr inbounds i32, i32* %score, i32 3
%3 = load i32, i32* %arrayidx8.3, align 4, !tbaa !3
%cmp9.3 = icmp sgt i32 %3, %.scoreMax.0.2
%.scoreMax.0.3 = select i1 %cmp9.3, i32 %3, i32 %.scoreMax.0.2
%arrayidx8.4 = getelementptr inbounds i32, i32* %score, i32 4
%4 = load i32, i32* %arrayidx8.4, align 4, !tbaa !3
%cmp9.4 = icmp sgt i32 %4, %.scoreMax.0.3
%.scoreMax.0.4 = select i1 %cmp9.4, i32 %4, i32 %.scoreMax.0.3
%arrayidx8.5 = getelementptr inbounds i32, i32* %score, i32 5
%5 = load i32, i32* %arrayidx8.5, align 4, !tbaa !3
%cmp9.5 = icmp sgt i32 %5, %.scoreMax.0.4
%.scoreMax.0.5 = select i1 %cmp9.5, i32 %5, i32 %.scoreMax.0.4
%arrayidx8.6 = getelementptr inbounds i32, i32* %score, i32 6
%6 = load i32, i32* %arrayidx8.6, align 4, !tbaa !3
%cmp9.6 = icmp sgt i32 %6, %.scoreMax.0.5
%.scoreMax.0.6 = select i1 %cmp9.6, i32 %6, i32 %.scoreMax.0.5
%arrayidx8.7 = getelementptr inbounds i32, i32* %score, i32 7
%7 = load i32, i32* %arrayidx8.7, align 4, !tbaa !3
%cmp9.7 = icmp sgt i32 %7, %.scoreMax.0.6
%.scoreMax.0.7 = select i1 %cmp9.7, i32 %7, i32 %.scoreMax.0.6
%arrayidx8.8 = getelementptr inbounds i32, i32* %score, i32 8
%8 = load i32, i32* %arrayidx8.8, align 4, !tbaa !3
%cmp9.8 = icmp sgt i32 %8, %.scoreMax.0.7
%.scoreMax.0.8 = select i1 %cmp9.8, i32 %8, i32 %.scoreMax.0.7
%arrayidx8.9 = getelementptr inbounds i32, i32* %score, i32 9
%9 = load i32, i32* %arrayidx8.9, align 4, !tbaa !3
%cmp9.9 = icmp sgt i32 %9, %.scoreMax.0.8
%.scoreMax.0.9 = select i1 %cmp9.9, i32 %9, i32 %.scoreMax.0.8
%arrayidx8.10 = getelementptr inbounds i32, i32* %score, i32 10
%10 = load i32, i32* %arrayidx8.10, align 4, !tbaa !3
%cmp9.10 = icmp sgt i32 %10, %.scoreMax.0.9
%.scoreMax.0.10 = select i1 %cmp9.10, i32 %10, i32 %.scoreMax.0.9
%arrayidx8.11 = getelementptr inbounds i32, i32* %score, i32 11
%11 = load i32, i32* %arrayidx8.11, align 4, !tbaa !3
%cmp9.11 = icmp sgt i32 %11, %.scoreMax.0.10
%.scoreMax.0.11 = select i1 %cmp9.11, i32 %11, i32 %.scoreMax.0.10
%arrayidx8.12 = getelementptr inbounds i32, i32* %score, i32 12
%12 = load i32, i32* %arrayidx8.12, align 4, !tbaa !3
%cmp9.12 = icmp sgt i32 %12, %.scoreMax.0.11
%.scoreMax.0.12 = select i1 %cmp9.12, i32 %12, i32 %.scoreMax.0.11
%arrayidx8.13 = getelementptr inbounds i32, i32* %score, i32 13
%13 = load i32, i32* %arrayidx8.13, align 4, !tbaa !3
%cmp9.13 = icmp sgt i32 %13, %.scoreMax.0.12
%.scoreMax.0.13 = select i1 %cmp9.13, i32 %13, i32 %.scoreMax.0.12
%arrayidx8.14 = getelementptr inbounds i32, i32* %score, i32 14
%14 = load i32, i32* %arrayidx8.14, align 4, !tbaa !3
%cmp9.14 = icmp sgt i32 %14, %.scoreMax.0.13
%.scoreMax.0.14 = select i1 %cmp9.14, i32 %14, i32 %.scoreMax.0.13
%arrayidx8.15 = getelementptr inbounds i32, i32* %score, i32 15
%15 = load i32, i32* %arrayidx8.15, align 4, !tbaa !3
%cmp9.15 = icmp sgt i32 %15, %.scoreMax.0.14
%.scoreMax.0.15 = select i1 %cmp9.15, i32 %15, i32 %.scoreMax.0.14
%arrayidx8.16 = getelementptr inbounds i32, i32* %score, i32 16
%16 = load i32, i32* %arrayidx8.16, align 4, !tbaa !3
%cmp9.16 = icmp sgt i32 %16, %.scoreMax.0.15
%.scoreMax.0.16 = select i1 %cmp9.16, i32 %16, i32 %.scoreMax.0.15
%arrayidx8.17 = getelementptr inbounds i32, i32* %score, i32 17
%17 = load i32, i32* %arrayidx8.17, align 4, !tbaa !3
%cmp9.17 = icmp sgt i32 %17, %.scoreMax.0.16
%.scoreMax.0.17 = select i1 %cmp9.17, i32 %17, i32 %.scoreMax.0.16
%arrayidx8.18 = getelementptr inbounds i32, i32* %score, i32 18
%18 = load i32, i32* %arrayidx8.18, align 4, !tbaa !3
%cmp9.18 = icmp sgt i32 %18, %.scoreMax.0.17
%.scoreMax.0.18 = select i1 %cmp9.18, i32 %18, i32 %.scoreMax.0.17
%arrayidx8.19 = getelementptr inbounds i32, i32* %score, i32 19
%19 = load i32, i32* %arrayidx8.19, align 4, !tbaa !3
%cmp9.19 = icmp sgt i32 %19, %.scoreMax.0.18
%.scoreMax.0.19 = select i1 %cmp9.19, i32 %19, i32 %.scoreMax.0.18
%cmp14 = icmp eq i32 %.scoreMax.0.19, -1
br i1 %cmp14, label %cleanup, label %if.end16
for.body: ; preds = %for.body.preheader, %for.body
%i.034 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i32, i32* %src1, i32 %i.034
%20 = load i32, i32* %arrayidx, align 4, !tbaa !3
%arrayidx1 = getelementptr inbounds i32, i32* %src2, i32 %i.034
%21 = load i32, i32* %arrayidx1, align 4, !tbaa !3
%add = add nsw i32 %21, %20
%arrayidx2 = getelementptr inbounds i32, i32* %score, i32 %i.034
store i32 %add, i32* %arrayidx2, align 4, !tbaa !3
%inc = add nuw nsw i32 %i.034, 1
%exitcond = icmp eq i32 %inc, %n
br i1 %exitcond, label %for.body7.preheader.loopexit, label %for.body
if.end16: ; preds = %for.body7.preheader
store i32 %.scoreMax.0.19, i32* %max, align 4, !tbaa !3
br label %cleanup
cleanup: ; preds = %for.body7.preheader, %if.end16
%retval.0 = phi i32 [ 1, %if.end16 ], [ 0, %for.body7.preheader ]
ret i32 %retval.0
}
attributes #0 = { norecurse nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="arm7tdmi" "target-features"="+strict-align" "unsafe-fp-math"="false" "use-soft-float"="false" }
!llvm.module.flags = !{!0, !1}
!llvm.ident = !{!2}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 1, !"min_enum_size", i32 4}
!2 = !{!"clang version 3.9.0"}
!3 = !{!4, !4, i64 0}
!4 = !{!"int", !5, i64 0}
!5 = !{!"omnipotent char", !6, i64 0}
!6 = !{!"Simple C/C++ TBAA"}
|