2 ; RUN: opt < %s -loop-unswitch -enable-new-pm=0 -verify-memoryssa -disable-output -stats 2>&1| FileCheck %s
4 ; Check the select statement in the loop will be unswitched.
5 ; CHECK: 1 loop-unswitch - Number of selects unswitched
6 define i32 @test(i1 zeroext %x, i32 %a) local_unnamed_addr #0 {
10 while.cond: ; preds = %while.body, %entry
11 %i.0 = phi i32 [ 0, %entry ], [ %inc, %while.body ]
12 %s.0 = phi i32 [ %a, %entry ], [ %add, %while.body ]
13 %cmp = icmp slt i32 %i.0, 10000
14 br i1 %cmp, label %while.body, label %while.end
16 while.body: ; preds = %while.cond
17 %cond = select i1 %x, i32 %a, i32 %i.0
18 %add = add nsw i32 %s.0, %cond
19 %inc = add nsw i32 %i.0, 1
22 while.end: ; preds = %while.cond
23 %s.0.lcssa = phi i32 [ %s.0, %while.cond ]