1 ; RUN: opt -loop-reduce %s -S -o - | FileCheck %s 2 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S32" 3 target triple = "i686-pc-win32" 4 5 ; <rdar://problem/14199725> Assertion failed: (CurScaleCost >= 0 && "Legal addressing mode has an illegal cost!") 6 ; CHECK-LABEL: @scalingFactorCrash( 7 define void @scalingFactorCrash() { 8 br i1 undef, label %1, label %24 9 10 ; <label>:1 ; preds = %0 11 br i1 undef, label %2, label %24 12 13 ; <label>:2 ; preds = %1 14 br i1 undef, label %3, label %24 15 16 ; <label>:3 ; preds = %2 17 br i1 undef, label %4, label %24 18 19 ; <label>:4 ; preds = %3 20 br i1 undef, label %24, label %6 21 22 ; <label>:5 ; preds = %6 23 br i1 undef, label %24, label %7 24 25 ; <label>:6 ; preds = %6, %4 26 br i1 undef, label %6, label %5 27 28 ; <label>:7 ; preds = %9, %5 29 br label %8 30 31 ; <label>:8 ; preds = %8, %7 32 br i1 undef, label %9, label %8 33 34 ; <label>:9 ; preds = %8 35 br i1 undef, label %7, label %10 36 37 ; <label>:10 ; preds = %9 38 br i1 undef, label %24, label %11 39 40 ; <label>:11 ; preds = %10 41 br i1 undef, label %15, label %13 42 43 ; <label>:12 ; preds = %14 44 br label %15 45 46 ; <label>:13 ; preds = %11 47 br label %14 48 49 ; <label>:14 ; preds = %14, %13 50 br i1 undef, label %14, label %12 51 52 ; <label>:15 ; preds = %12, %11 53 br i1 undef, label %16, label %24 54 55 ; <label>:16 ; preds = %16, %15 56 %17 = phi i32 [ %21, %16 ], [ undef, %15 ] 57 %18 = sub i32 %17, 1623127498 58 %19 = getelementptr inbounds i32, i32* undef, i32 %18 59 store i32 undef, i32* %19, align 4 60 %20 = add i32 %17, 1623127499 61 %21 = add i32 %20, -1623127498 62 %22 = add i32 %21, -542963121 63 %23 = icmp ult i32 %22, undef 64 br i1 undef, label %16, label %24 65 66 ; <label>:24 ; preds = %16, %15, %10, %5, %4, %3, %2, %1, %0 67 ret void 68 } 69