--- /dev/null
+; NOTE: This is a timeout test for some O(something silly) constant folding behaviour. It may not be the best test. Providing it finishes, it passes.
+; RUN: opt < %s -O3 -S | FileCheck %s
+target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
+target triple = "armv8-none-eabi"
+
+%struct.ST = type { %struct.ST* }
+
+@global = internal global [121 x i8] zeroinitializer, align 1
+
+define void @func() #0 {
+;CHECK-LABEL: func
+entry:
+ %s = alloca %struct.ST*, align 4
+ %j = alloca i32, align 4
+ store %struct.ST* bitcast ([121 x i8]* @global to %struct.ST*), %struct.ST** %s, align 4
+ store i32 0, i32* %j, align 4
+ br label %for.cond
+
+for.cond: ; preds = %for.inc, %entry
+ %0 = load i32, i32* %j, align 4
+ %cmp = icmp slt i32 %0, 30
+ br i1 %cmp, label %for.body, label %for.end
+
+for.body: ; preds = %for.cond
+ %1 = load %struct.ST*, %struct.ST** %s, align 4
+ %2 = bitcast %struct.ST* %1 to i8*
+ %add.ptr = getelementptr inbounds i8, i8* %2, i32 4
+ %3 = ptrtoint i8* %add.ptr to i32
+ %4 = load %struct.ST*, %struct.ST** %s, align 4
+ %5 = bitcast %struct.ST* %4 to i8*
+ %add.ptr1 = getelementptr inbounds i8, i8* %5, i32 4
+ %6 = ptrtoint i8* %add.ptr1 to i32
+ %rem = urem i32 %6, 2
+ %cmp2 = icmp eq i32 %rem, 0
+ br i1 %cmp2, label %cond.true, label %cond.false
+
+cond.true: ; preds = %for.body
+ br label %cond.end
+
+cond.false: ; preds = %for.body
+ %7 = load %struct.ST*, %struct.ST** %s, align 4
+ %8 = bitcast %struct.ST* %7 to i8*
+ %add.ptr3 = getelementptr inbounds i8, i8* %8, i32 4
+ %9 = ptrtoint i8* %add.ptr3 to i32
+ %rem4 = urem i32 %9, 2
+ br label %cond.end
+
+cond.end: ; preds = %cond.false, %cond.true
+ %cond = phi i32 [ 0, %cond.true ], [ %rem4, %cond.false ]
+ %add = add i32 %3, %cond
+ %10 = inttoptr i32 %add to %struct.ST*
+ %11 = load %struct.ST*, %struct.ST** %s, align 4
+ %next = getelementptr inbounds %struct.ST, %struct.ST* %11, i32 0, i32 0
+ store %struct.ST* %10, %struct.ST** %next, align 4
+ %12 = load %struct.ST*, %struct.ST** %s, align 4
+ %next5 = getelementptr inbounds %struct.ST, %struct.ST* %12, i32 0, i32 0
+ %13 = load %struct.ST*, %struct.ST** %next5, align 4
+ store %struct.ST* %13, %struct.ST** %s, align 4
+ br label %for.inc
+
+for.inc: ; preds = %cond.end
+ %14 = load i32, i32* %j, align 4
+ %inc = add nsw i32 %14, 1
+ store i32 %inc, i32* %j, align 4
+ br label %for.cond
+
+for.end: ; preds = %for.cond
+ %15 = load %struct.ST*, %struct.ST** %s, align 4
+ %next6 = getelementptr inbounds %struct.ST, %struct.ST* %15, i32 0, i32 0
+ store %struct.ST* null, %struct.ST** %next6, align 4
+ ret void
+}
+