Home | History | Annotate | Download | only in LoopStrengthReduce
      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