; RUN: opt < %s -basicaa -bb-vectorize -disable-output ; This is a bugpoint-reduced test case. It did not always assert, but does reproduce the bug ; and running under valgrind (or some similar tool) will catch the error. target datalayout = "e-p:64:64:64-S128-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f16:16:16-f32:32:32-f64:64:64-f128:128:128-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" target triple = "x86_64-apple-darwin12.2.0" %0 = type { [10 x { float, float }], [10 x { float, float }], [10 x { float, float }], [10 x { float, float }], [10 x { float, float }] } %1 = type { [10 x [8 x i8]] } %2 = type { i64, i64 } %3 = type { [10 x i64], i64, i64, i64, i64, i64 } %4 = type { i64, i64, i64, i64, i64, i64 } %5 = type { [10 x i64] } %6 = type { [10 x float], [10 x float], [10 x float], [10 x float] } %struct.__st_parameter_dt.1.3.5.7 = type { %struct.__st_parameter_common.0.2.4.6, i64, i64*, i64*, i8*, i8*, i32, i32, i8*, i8*, i32, i32, i8*, [256 x i8], i32*, i64, i8*, i32, i32, i8*, i8*, i32, i32, i8*, i8*, i32, i32, i8*, i8*, i32, [4 x i8] } %struct.__st_parameter_common.0.2.4.6 = type { i32, i32, i8*, i32, i32, i8*, i32* } @cctenso_ = external unnamed_addr global %0, align 32 @ctenso_ = external unnamed_addr global %1, align 32 @i_dim_ = external unnamed_addr global %2, align 16 @itenso1_ = external unnamed_addr global %3, align 32 @itenso2_ = external unnamed_addr global %4, align 32 @ltenso_ = external unnamed_addr global %5, align 32 @rtenso_ = external unnamed_addr global %6, align 32 @.cst = external unnamed_addr constant [8 x i8], align 8 @.cst1 = external unnamed_addr constant [3 x i8], align 8 @.cst2 = external unnamed_addr constant [29 x i8], align 8 @.cst3 = external unnamed_addr constant [32 x i8], align 64 define void @cart_to_dc2y_(double* noalias nocapture %xx, double* noalias nocapture %yy, double* noalias nocapture %zz, [5 x { double, double }]* noalias nocapture %c2ten) nounwind uwtable { entry: %0 = fmul double undef, undef %1 = fmul double undef, undef %2 = fadd double undef, undef %3 = fmul double undef, 0x3FE8B8B76E3E9919 %4 = fsub double %0, %1 %5 = fsub double -0.000000e+00, undef %6 = fmul double undef, undef %7 = fmul double %4, %6 %8 = fmul double undef, 2.000000e+00 %9 = fmul double %8, undef %10 = fmul double undef, %9 %11 = fmul double %10, undef %12 = fsub double undef, %7 %13 = fmul double %3, %12 %14 = fmul double %3, undef %15 = getelementptr inbounds [5 x { double, double }]* %c2ten, i64 0, i64 0, i32 0 store double %13, double* %15, align 8, !tbaa !0 %16 = getelementptr inbounds [5 x { double, double }]* %c2ten, i64 0, i64 0, i32 1 %17 = fmul double undef, %8 %18 = fmul double %17, undef %19 = fmul double undef, %18 %20 = fadd double undef, undef %21 = fmul double %3, %19 %22 = fsub double -0.000000e+00, %21 %23 = getelementptr inbounds [5 x { double, double }]* %c2ten, i64 0, i64 1, i32 0 store double %22, double* %23, align 8, !tbaa !0 %24 = getelementptr inbounds [5 x { double, double }]* %c2ten, i64 0, i64 1, i32 1 %25 = fmul double undef, 0x3FE42F601A8C6794 %26 = fmul double undef, 2.000000e+00 %27 = fsub double %26, %0 %28 = fmul double %6, undef %29 = fsub double undef, %28 %30 = getelementptr inbounds [5 x { double, double }]* %c2ten, i64 0, i64 2, i32 0 store double undef, double* %30, align 8, !tbaa !0 %31 = getelementptr inbounds [5 x { double, double }]* %c2ten, i64 0, i64 2, i32 1 %32 = fmul double undef, %17 %33 = fmul double undef, %17 %34 = fmul double undef, %32 %35 = fmul double undef, %33 %36 = fsub double undef, %35 %37 = fmul double %3, %34 %38 = getelementptr inbounds [5 x { double, double }]* %c2ten, i64 0, i64 3, i32 0 store double %37, double* %38, align 8, !tbaa !0 %39 = getelementptr inbounds [5 x { double, double }]* %c2ten, i64 0, i64 3, i32 1 %40 = fmul double undef, %8 %41 = fmul double undef, %40 %42 = fmul double undef, %41 %43 = fsub double undef, %42 %44 = fmul double %3, %43 %45 = getelementptr inbounds [5 x { double, double }]* %c2ten, i64 0, i64 4, i32 0 store double %13, double* %45, align 8, !tbaa !0 %46 = getelementptr inbounds [5 x { double, double }]* %c2ten, i64 0, i64 4, i32 1 %47 = fsub double -0.000000e+00, %14 store double %47, double* %16, align 8, !tbaa !0 store double undef, double* %24, align 8, !tbaa !0 store double -0.000000e+00, double* %31, align 8, !tbaa !0 store double undef, double* %39, align 8, !tbaa !0 store double undef, double* %46, align 8, !tbaa !0 ret void } attributes #0 = { nounwind uwtable } attributes #1 = { nounwind readnone } attributes #2 = { nounwind } !0 = metadata !{metadata !"alias set 17: real(kind=8)", metadata !1} !1 = metadata !{metadata !1}