1 ; RUN: llc < %s -march=ppc32 | \
2 ; RUN: grep {b LBB.*} | count 4
4 target datalayout = "E-p:32:32"
5 target triple = "powerpc-apple-darwin8.7.0"
7 define void @foo(i32 %W, i32 %X, i32 %Y, i32 %Z) {
9 %tmp1 = and i32 %W, 1 ; <i32> [#uses=1]
10 %tmp1.upgrd.1 = icmp eq i32 %tmp1, 0 ; <i1> [#uses=1]
11 br i1 %tmp1.upgrd.1, label %cond_false, label %bb5
12 bb: ; preds = %bb5, %bb
13 %indvar77 = phi i32 [ %indvar.next78, %bb ], [ 0, %bb5 ] ; <i32> [#uses=1]
14 %tmp2 = tail call i32 (...)* @bar( ) ; <i32> [#uses=0]
15 %indvar.next78 = add i32 %indvar77, 1 ; <i32> [#uses=2]
16 %exitcond79 = icmp eq i32 %indvar.next78, %X ; <i1> [#uses=1]
17 br i1 %exitcond79, label %cond_next48, label %bb
19 %tmp = icmp eq i32 %X, 0 ; <i1> [#uses=1]
20 br i1 %tmp, label %cond_next48, label %bb
21 cond_false: ; preds = %entry
22 %tmp10 = and i32 %W, 2 ; <i32> [#uses=1]
23 %tmp10.upgrd.2 = icmp eq i32 %tmp10, 0 ; <i1> [#uses=1]
24 br i1 %tmp10.upgrd.2, label %cond_false20, label %bb16
25 bb12: ; preds = %bb16, %bb12
26 %indvar72 = phi i32 [ %indvar.next73, %bb12 ], [ 0, %bb16 ] ; <i32> [#uses=1]
27 %tmp13 = tail call i32 (...)* @bar( ) ; <i32> [#uses=0]
28 %indvar.next73 = add i32 %indvar72, 1 ; <i32> [#uses=2]
29 %exitcond74 = icmp eq i32 %indvar.next73, %Y ; <i1> [#uses=1]
30 br i1 %exitcond74, label %cond_next48, label %bb12
31 bb16: ; preds = %cond_false
32 %tmp18 = icmp eq i32 %Y, 0 ; <i1> [#uses=1]
33 br i1 %tmp18, label %cond_next48, label %bb12
34 cond_false20: ; preds = %cond_false
35 %tmp23 = and i32 %W, 4 ; <i32> [#uses=1]
36 %tmp23.upgrd.3 = icmp eq i32 %tmp23, 0 ; <i1> [#uses=1]
37 br i1 %tmp23.upgrd.3, label %cond_false33, label %bb29
38 bb25: ; preds = %bb29, %bb25
39 %indvar67 = phi i32 [ %indvar.next68, %bb25 ], [ 0, %bb29 ] ; <i32> [#uses=1]
40 %tmp26 = tail call i32 (...)* @bar( ) ; <i32> [#uses=0]
41 %indvar.next68 = add i32 %indvar67, 1 ; <i32> [#uses=2]
42 %exitcond69 = icmp eq i32 %indvar.next68, %Z ; <i1> [#uses=1]
43 br i1 %exitcond69, label %cond_next48, label %bb25
44 bb29: ; preds = %cond_false20
45 %tmp31 = icmp eq i32 %Z, 0 ; <i1> [#uses=1]
46 br i1 %tmp31, label %cond_next48, label %bb25
47 cond_false33: ; preds = %cond_false20
48 %tmp36 = and i32 %W, 8 ; <i32> [#uses=1]
49 %tmp36.upgrd.4 = icmp eq i32 %tmp36, 0 ; <i1> [#uses=1]
50 br i1 %tmp36.upgrd.4, label %cond_next48, label %bb42
52 %tmp39 = tail call i32 (...)* @bar( ) ; <i32> [#uses=0]
53 %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1]
55 bb42: ; preds = %bb38, %cond_false33
56 %indvar = phi i32 [ %indvar.next, %bb38 ], [ 0, %cond_false33 ] ; <i32> [#uses=4]
57 %W_addr.0 = sub i32 %W, %indvar ; <i32> [#uses=1]
58 %exitcond = icmp eq i32 %indvar, %W ; <i1> [#uses=1]
59 br i1 %exitcond, label %cond_next48, label %bb38
60 cond_next48: ; preds = %bb42, %cond_false33, %bb29, %bb25, %bb16, %bb12, %bb5, %bb
61 %W_addr.1 = phi i32 [ %W, %bb5 ], [ %W, %bb16 ], [ %W, %bb29 ], [ %W, %cond_false33 ], [ %W_addr.0, %bb42 ], [ %W, %bb25 ], [ %W, %bb12 ], [ %W, %bb ] ; <i32> [#uses=1]
62 %tmp50 = icmp eq i32 %W_addr.1, 0 ; <i1> [#uses=1]
63 br i1 %tmp50, label %UnifiedReturnBlock, label %cond_true51
64 cond_true51: ; preds = %cond_next48
65 %tmp52 = tail call i32 (...)* @bar( ) ; <i32> [#uses=0]
67 UnifiedReturnBlock: ; preds = %cond_next48