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      1 ; RUN: opt < %s -basicaa -globalopt -instcombine -loop-rotate -licm -instcombine -indvars -loop-deletion -constmerge -S | FileCheck %s
      2 ; PR11882: ComputeLoadConstantCompareExitLimit crash.
      3 ;
      4 ; for.body is deleted leaving a loop-invariant load.
      5 ; CHECK-NOT: for.body
      6 target datalayout = "e-p:64:64:64-n32:64"
      7 
      8 @func_21_l_773 = external global i32, align 4
      9 @g_814 = external global i32, align 4
     10 @g_244 = internal global [1 x [0 x i32]] zeroinitializer, align 4
     11 
     12 define void @func_21() nounwind uwtable ssp {
     13 entry:
     14   br label %lbl_818
     15 
     16 lbl_818:                                          ; preds = %for.end, %entry
     17   call void (...)* @func_27()
     18   store i32 0, i32* @g_814, align 4
     19   br label %for.cond
     20 
     21 for.cond:                                         ; preds = %for.body, %lbl_818
     22   %0 = load i32* @g_814, align 4
     23   %cmp = icmp sle i32 %0, 0
     24   br i1 %cmp, label %for.body, label %for.end
     25 
     26 for.body:                                         ; preds = %for.cond
     27   %idxprom = sext i32 %0 to i64
     28   %arrayidx = getelementptr inbounds [0 x i32]* getelementptr inbounds ([1 x [0 x i32]]* @g_244, i32 0, i64 0), i32 0, i64 %idxprom
     29   %1 = load i32* %arrayidx, align 1
     30   store i32 %1, i32* @func_21_l_773, align 4
     31   store i32 1, i32* @g_814, align 4
     32   br label %for.cond
     33 
     34 for.end:                                          ; preds = %for.cond
     35   %2 = load i32* @func_21_l_773, align 4
     36   %tobool = icmp ne i32 %2, 0
     37   br i1 %tobool, label %lbl_818, label %if.end
     38 
     39 if.end:                                           ; preds = %for.end
     40   ret void
     41 }
     42 
     43 declare void @func_27(...)
     44