; RUN: opt -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -keep-loops=false -S < %s | FileCheck %s ; RUN: opt -passes='simplifycfg<no-keep-loops>' -S < %s | FileCheck %s define void @test1(i32 %n) #0 { entry: %n.addr = alloca i32, align 4 %count = alloca i32, align 4 store i32 %n, i32* %n.addr, align 4 %0 = bitcast i32* %count to i8* store i32 0, i32* %count, align 4 br label %while.cond while.cond: ; preds = %if.end, %entry %1 = load i32, i32* %count, align 4 %2 = load i32, i32* %n.addr, align 4 %cmp = icmp ule i32 %1, %2 br i1 %cmp, label %while.body, label %while.end while.body: ; preds = %while.cond %3 = load i32, i32* %count, align 4 %rem = urem i32 %3, 2 %cmp1 = icmp eq i32 %rem, 0 br i1 %cmp1, label %if.then, label %if.else if.then: ; preds = %while.body %4 = load i32, i32* %count, align 4 %add = add i32 %4, 1 store i32 %add, i32* %count, align 4 br label %if.end ; CHECK: if.then: ; CHECK: br label %while.cond, !llvm.loop !0 if.else: ; preds = %while.body %5 = load i32, i32* %count, align 4 %add2 = add i32 %5, 2 store i32 %add2, i32* %count, align 4 br label %if.end ; CHECK: if.else: ; CHECK: br label %while.cond, !llvm.loop !0 if.end: ; preds = %if.else, %if.then br label %while.cond, !llvm.loop !0 while.end: ; preds = %while.cond %6 = bitcast i32* %count to i8* ret void } !0 = distinct !{!0, !1} !1 = !{!"llvm.loop.distribute.enable", i1 true} ; CHECK: !0 = distinct !{!0, !1} ; CHECK: !1 = !{!"llvm.loop.distribute.enable", i1 true}