1 ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {phi i32} | count 2
2 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
3 target triple = "i386-apple-darwin8"
5 define void @test() nounwind {
9 bb: ; preds = %bb16, %entry
10 %i.0 = phi i32 [ 0, %entry ], [ %indvar.next, %somebb ] ; <i32> [#uses=1]
11 %x.0 = phi i32 [ 37, %entry ], [ %tmp17, %somebb ] ; <i32> [#uses=1]
12 %tmp = tail call i32 (...)* @bork( ) nounwind ; <i32> [#uses=0]
13 %tmp1 = tail call i32 (...)* @bork( ) nounwind ; <i32> [#uses=0]
14 %tmp2 = tail call i32 (...)* @bork( ) nounwind ; <i32> [#uses=1]
15 %tmp3 = icmp eq i32 %tmp2, 0 ; <i1> [#uses=1]
16 br i1 %tmp3, label %bb7, label %bb5
19 %tmp6 = tail call i32 (...)* @bork( ) nounwind ; <i32> [#uses=0]
22 bb7: ; preds = %bb5, %bb
23 %tmp8 = tail call i32 (...)* @bork( ) nounwind ; <i32> [#uses=0]
24 %tmp9 = tail call i32 (...)* @bork( ) nounwind ; <i32> [#uses=0]
25 %tmp11 = icmp eq i32 %x.0, 37 ; <i1> [#uses=1]
26 br i1 %tmp11, label %bb14, label %bb16
29 %tmp15 = tail call i32 (...)* @bar( ) nounwind ; <i32> [#uses=0]
32 bb16: ; preds = %bb14, %bb7
33 %tmp17 = tail call i32 (...)* @zap( ) nounwind ; <i32> [#uses=1]
34 %indvar.next = add i32 %i.0, 1 ; <i32> [#uses=2]
35 %exitcond = icmp eq i32 %indvar.next, 42 ; <i1> [#uses=1]
36 br i1 %exitcond, label %return, label %somebb
41 return: ; preds = %bb16
45 declare i32 @bork(...)