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1; RUN: opt < %s -S -passes='loop(indvars),loop-unroll' -verify-dom-info | FileCheck %s2 3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:1"4target triple = "x86_64-unknown-linux-gnu"5 6; Make sure that this test doesn't crash because of dangling pointer in SCEV.7declare void @llvm.experimental.guard(i1, ...)8 9define void @test(ptr %p, ptr %p2, ptr %dest) {10 11; CHECK-LABEL: @test(12 13entry:14 br label %outer.loop15 16outer.loop: ; preds = %outer.latch, %entry17 %local_2_ = phi i32 [ 10, %entry ], [ %tmp2, %outer.latch ]18 %tmp1 = icmp eq i32 %local_2_, 019 br label %inner.loop20 21outer.latch: ; preds = %inner.latch22 %tmp2 = add i32 %local_2_, 123 br label %outer.loop24 25inner.loop: ; preds = %inner.latch, %outer.loop26 %local_4_20 = phi i32 [ 7, %outer.loop ], [ %tmp15, %inner.latch ]27 %tmp6 = icmp eq i32 %local_4_20, 028 call void (i1, ...) @llvm.experimental.guard(i1 %tmp6) [ "deopt"() ]29 br label %innermost.loop30 31store.block: ; preds = %innermost.loop32 store i64 %tmp20, ptr %dest, align 833 br i1 %tmp1, label %exit, label %inner.latch34 35inner.latch: ; preds = %store.block36 %tmp15 = add i32 %local_4_20, 437 %tmp16 = icmp sgt i32 %tmp15, 26338 br i1 %tmp16, label %outer.latch, label %inner.loop39 40innermost.loop: ; preds = %innermost.loop, %inner.loop41 %tmp17 = phi i64 [ 0, %inner.loop ], [ %tmp20, %innermost.loop ]42 %local_6_51 = phi i32 [ 1, %inner.loop ], [ %tmp21, %innermost.loop ]43 %ze = zext i32 %local_6_51 to i6444 %tmp20 = add i64 %tmp17, %ze45 %tmp21 = add nuw nsw i32 %local_6_51, 146 %tmp22 = icmp ugt i32 %local_6_51, 547 br i1 %tmp22, label %store.block, label %innermost.loop48 49exit: ; preds = %store.block50 ret void51}52