1; RUN: opt %loadPolly -pass-remarks-analysis="polly-scops" -polly-scops \ 2; RUN: -polly-invariant-load-hoisting=true \ 3; RUN: < %s 2>&1 | FileCheck %s 4; 5; This test case has an SCEVSMax expression with a very high arity. The 6; piecewise affine function we would create for it would have a huge amount of 7; conjuncts, thus it would take a lot of time creating and handling it. 8; 9; This ensures we bail out for really complex expressions: 10; 11; CHECK: Low complexity assumption: { : false } 12; 13target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" 14 15; Function Attrs: norecurse nounwind 16define i32 @foo(i32* nocapture readonly %src1, i32* nocapture readonly %src2, i32* nocapture %score, i32* nocapture %max, i32 %n) #0 { 17entry: 18 %cmp33 = icmp sgt i32 %n, 0 19 br i1 %cmp33, label %for.body.preheader, label %for.body7.preheader 20 21for.body.preheader: ; preds = %entry 22 br label %for.body 23 24for.body7.preheader.loopexit: ; preds = %for.body 25 br label %for.body7.preheader 26 27for.body7.preheader: ; preds = %for.body7.preheader.loopexit, %entry 28 %0 = load i32, i32* %score, align 4, !tbaa !3 29 %cmp9 = icmp sgt i32 %0, -1 30 %.scoreMax.0 = select i1 %cmp9, i32 %0, i32 -1 31 %arrayidx8.1 = getelementptr inbounds i32, i32* %score, i32 1 32 %1 = load i32, i32* %arrayidx8.1, align 4, !tbaa !3 33 %cmp9.1 = icmp sgt i32 %1, %.scoreMax.0 34 %.scoreMax.0.1 = select i1 %cmp9.1, i32 %1, i32 %.scoreMax.0 35 %arrayidx8.2 = getelementptr inbounds i32, i32* %score, i32 2 36 %2 = load i32, i32* %arrayidx8.2, align 4, !tbaa !3 37 %cmp9.2 = icmp sgt i32 %2, %.scoreMax.0.1 38 %.scoreMax.0.2 = select i1 %cmp9.2, i32 %2, i32 %.scoreMax.0.1 39 %arrayidx8.3 = getelementptr inbounds i32, i32* %score, i32 3 40 %3 = load i32, i32* %arrayidx8.3, align 4, !tbaa !3 41 %cmp9.3 = icmp sgt i32 %3, %.scoreMax.0.2 42 %.scoreMax.0.3 = select i1 %cmp9.3, i32 %3, i32 %.scoreMax.0.2 43 %arrayidx8.4 = getelementptr inbounds i32, i32* %score, i32 4 44 %4 = load i32, i32* %arrayidx8.4, align 4, !tbaa !3 45 %cmp9.4 = icmp sgt i32 %4, %.scoreMax.0.3 46 %.scoreMax.0.4 = select i1 %cmp9.4, i32 %4, i32 %.scoreMax.0.3 47 %arrayidx8.5 = getelementptr inbounds i32, i32* %score, i32 5 48 %5 = load i32, i32* %arrayidx8.5, align 4, !tbaa !3 49 %cmp9.5 = icmp sgt i32 %5, %.scoreMax.0.4 50 %.scoreMax.0.5 = select i1 %cmp9.5, i32 %5, i32 %.scoreMax.0.4 51 %arrayidx8.6 = getelementptr inbounds i32, i32* %score, i32 6 52 %6 = load i32, i32* %arrayidx8.6, align 4, !tbaa !3 53 %cmp9.6 = icmp sgt i32 %6, %.scoreMax.0.5 54 %.scoreMax.0.6 = select i1 %cmp9.6, i32 %6, i32 %.scoreMax.0.5 55 %arrayidx8.7 = getelementptr inbounds i32, i32* %score, i32 7 56 %7 = load i32, i32* %arrayidx8.7, align 4, !tbaa !3 57 %cmp9.7 = icmp sgt i32 %7, %.scoreMax.0.6 58 %.scoreMax.0.7 = select i1 %cmp9.7, i32 %7, i32 %.scoreMax.0.6 59 %arrayidx8.8 = getelementptr inbounds i32, i32* %score, i32 8 60 %8 = load i32, i32* %arrayidx8.8, align 4, !tbaa !3 61 %cmp9.8 = icmp sgt i32 %8, %.scoreMax.0.7 62 %.scoreMax.0.8 = select i1 %cmp9.8, i32 %8, i32 %.scoreMax.0.7 63 %arrayidx8.9 = getelementptr inbounds i32, i32* %score, i32 9 64 %9 = load i32, i32* %arrayidx8.9, align 4, !tbaa !3 65 %cmp9.9 = icmp sgt i32 %9, %.scoreMax.0.8 66 %.scoreMax.0.9 = select i1 %cmp9.9, i32 %9, i32 %.scoreMax.0.8 67 %arrayidx8.10 = getelementptr inbounds i32, i32* %score, i32 10 68 %10 = load i32, i32* %arrayidx8.10, align 4, !tbaa !3 69 %cmp9.10 = icmp sgt i32 %10, %.scoreMax.0.9 70 %.scoreMax.0.10 = select i1 %cmp9.10, i32 %10, i32 %.scoreMax.0.9 71 %arrayidx8.11 = getelementptr inbounds i32, i32* %score, i32 11 72 %11 = load i32, i32* %arrayidx8.11, align 4, !tbaa !3 73 %cmp9.11 = icmp sgt i32 %11, %.scoreMax.0.10 74 %.scoreMax.0.11 = select i1 %cmp9.11, i32 %11, i32 %.scoreMax.0.10 75 %arrayidx8.12 = getelementptr inbounds i32, i32* %score, i32 12 76 %12 = load i32, i32* %arrayidx8.12, align 4, !tbaa !3 77 %cmp9.12 = icmp sgt i32 %12, %.scoreMax.0.11 78 %.scoreMax.0.12 = select i1 %cmp9.12, i32 %12, i32 %.scoreMax.0.11 79 %arrayidx8.13 = getelementptr inbounds i32, i32* %score, i32 13 80 %13 = load i32, i32* %arrayidx8.13, align 4, !tbaa !3 81 %cmp9.13 = icmp sgt i32 %13, %.scoreMax.0.12 82 %.scoreMax.0.13 = select i1 %cmp9.13, i32 %13, i32 %.scoreMax.0.12 83 %arrayidx8.14 = getelementptr inbounds i32, i32* %score, i32 14 84 %14 = load i32, i32* %arrayidx8.14, align 4, !tbaa !3 85 %cmp9.14 = icmp sgt i32 %14, %.scoreMax.0.13 86 %.scoreMax.0.14 = select i1 %cmp9.14, i32 %14, i32 %.scoreMax.0.13 87 %arrayidx8.15 = getelementptr inbounds i32, i32* %score, i32 15 88 %15 = load i32, i32* %arrayidx8.15, align 4, !tbaa !3 89 %cmp9.15 = icmp sgt i32 %15, %.scoreMax.0.14 90 %.scoreMax.0.15 = select i1 %cmp9.15, i32 %15, i32 %.scoreMax.0.14 91 %arrayidx8.16 = getelementptr inbounds i32, i32* %score, i32 16 92 %16 = load i32, i32* %arrayidx8.16, align 4, !tbaa !3 93 %cmp9.16 = icmp sgt i32 %16, %.scoreMax.0.15 94 %.scoreMax.0.16 = select i1 %cmp9.16, i32 %16, i32 %.scoreMax.0.15 95 %arrayidx8.17 = getelementptr inbounds i32, i32* %score, i32 17 96 %17 = load i32, i32* %arrayidx8.17, align 4, !tbaa !3 97 %cmp9.17 = icmp sgt i32 %17, %.scoreMax.0.16 98 %.scoreMax.0.17 = select i1 %cmp9.17, i32 %17, i32 %.scoreMax.0.16 99 %arrayidx8.18 = getelementptr inbounds i32, i32* %score, i32 18 100 %18 = load i32, i32* %arrayidx8.18, align 4, !tbaa !3 101 %cmp9.18 = icmp sgt i32 %18, %.scoreMax.0.17 102 %.scoreMax.0.18 = select i1 %cmp9.18, i32 %18, i32 %.scoreMax.0.17 103 %arrayidx8.19 = getelementptr inbounds i32, i32* %score, i32 19 104 %19 = load i32, i32* %arrayidx8.19, align 4, !tbaa !3 105 %cmp9.19 = icmp sgt i32 %19, %.scoreMax.0.18 106 %.scoreMax.0.19 = select i1 %cmp9.19, i32 %19, i32 %.scoreMax.0.18 107 %cmp14 = icmp eq i32 %.scoreMax.0.19, -1 108 br i1 %cmp14, label %cleanup, label %if.end16 109 110for.body: ; preds = %for.body.preheader, %for.body 111 %i.034 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ] 112 %arrayidx = getelementptr inbounds i32, i32* %src1, i32 %i.034 113 %20 = load i32, i32* %arrayidx, align 4, !tbaa !3 114 %arrayidx1 = getelementptr inbounds i32, i32* %src2, i32 %i.034 115 %21 = load i32, i32* %arrayidx1, align 4, !tbaa !3 116 %add = add nsw i32 %21, %20 117 %arrayidx2 = getelementptr inbounds i32, i32* %score, i32 %i.034 118 store i32 %add, i32* %arrayidx2, align 4, !tbaa !3 119 %inc = add nuw nsw i32 %i.034, 1 120 %exitcond = icmp eq i32 %inc, %n 121 br i1 %exitcond, label %for.body7.preheader.loopexit, label %for.body 122 123if.end16: ; preds = %for.body7.preheader 124 store i32 %.scoreMax.0.19, i32* %max, align 4, !tbaa !3 125 br label %cleanup 126 127cleanup: ; preds = %for.body7.preheader, %if.end16 128 %retval.0 = phi i32 [ 1, %if.end16 ], [ 0, %for.body7.preheader ] 129 ret i32 %retval.0 130} 131 132attributes #0 = { norecurse nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "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" } 133 134!llvm.module.flags = !{!0, !1} 135!llvm.ident = !{!2} 136 137!0 = !{i32 1, !"wchar_size", i32 4} 138!1 = !{i32 1, !"min_enum_size", i32 4} 139!2 = !{!"clang version 3.9.0"} 140!3 = !{!4, !4, i64 0} 141!4 = !{!"int", !5, i64 0} 142!5 = !{!"omnipotent char", !6, i64 0} 143!6 = !{!"Simple C/C++ TBAA"} 144