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1; RUN: opt < %s -passes=lcssa,loop-simplify,indvars -S | FileCheck %s2target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"3target triple = "x86_64-unknown-unknown"4 5@a = external global i32, align 46 7; Check that loop-simplify merges two loop exits, but preserves LCSSA form.8; CHECK-LABEL: @foo9; CHECK: for:10; CHECK: %or.cond = select i1 %cmp1, i1 %cmp2, i1 false11; CHECK-NOT: for.cond:12; CHECK: for.end:13; CHECK: %a.lcssa = phi i32 [ %a, %for ]14define i32 @foo(i32 %x) {15entry:16 br label %for17 18for:19 %iv = phi i32 [ 0, %entry ], [ %iv.next, %for.cond ]20 %cmp1 = icmp eq i32 %x, 021 %iv.next = add nuw nsw i32 %iv, 122 %a = load i32, ptr @a23 br i1 %cmp1, label %for.cond, label %for.end24 25for.cond:26 %cmp2 = icmp slt i32 %iv.next, 427 br i1 %cmp2, label %for, label %for.end28 29for.end:30 %a.lcssa = phi i32 [ %a, %for ], [ %a, %for.cond ]31 ret i32 %a.lcssa32}33