1; RUN: llc < %s | FileCheck %s
2target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
3target triple = "x86_64-apple-darwin10.0.0"
4
5define i32 @f(i32 %x) nounwind ssp {
6entry:
7  %shl.i = shl i32 %x, 12
8  %neg.i = xor i32 %shl.i, -1
9  %add.i = add nsw i32 %neg.i, %x
10  %shr.i = ashr i32 %add.i, 22
11  %xor.i = xor i32 %shr.i, %add.i
12  %shl5.i = shl i32 %xor.i, 13
13  %neg6.i = xor i32 %shl5.i, -1
14  %add8.i = add nsw i32 %xor.i, %neg6.i
15  %shr10.i = ashr i32 %add8.i, 8
16  %xor12.i = xor i32 %shr10.i, %add8.i
17  %add16.i = mul i32 %xor12.i, 9
18  %shr18.i = ashr i32 %add16.i, 15
19  %xor20.i = xor i32 %shr18.i, %add16.i
20  %shl22.i = shl i32 %xor20.i, 27
21  %neg23.i = xor i32 %shl22.i, -1
22  %add25.i = add nsw i32 %xor20.i, %neg23.i
23  %shr27.i = ashr i32 %add25.i, 31
24  %rem = srem i32 %x, 7
25  %cmp = icmp eq i32 %rem, 3
26  br i1 %cmp, label %land.lhs.true, label %do.body.preheader
27
28land.lhs.true:
29  %call3 = tail call i32 @g(i32 %x) nounwind
30  %cmp4 = icmp eq i32 %call3, 10
31  br i1 %cmp4, label %do.body.preheader, label %if.then
32
33; %add16.i should be sinked all the way down to do.body.preheader, but not into the loop.
34; CHECK: do.body.preheader
35; CHECK-NOT: do.body
36; CHECK: leal ([[SRC:%r[a-z0-9]+]],[[SRC]],8)
37
38do.body.preheader:
39  %xor29.i = xor i32 %shr27.i, %add25.i
40  br label %do.body
41
42if.then:
43  %add = add nsw i32 %x, 11
44  ret i32 %add
45
46do.body:
47  %x.addr.1 = phi i32 [ %add9, %do.body ], [ %x, %do.body.preheader ]
48  %xor = xor i32 %xor29.i, %x.addr.1
49  %add9 = add nsw i32 %xor, %x.addr.1
50  %and = and i32 %add9, 13
51  %tobool = icmp eq i32 %and, 0
52  br i1 %tobool, label %if.end, label %do.body
53
54if.end:
55  ret i32 %add9
56}
57
58declare i32 @g(i32)
59