1; RUN: opt -sccp -S < %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"
3target triple = "x86_64-apple-darwin10.0"
4
5define void @test1(i8 %arg) {
6entry:
7  br i1 undef, label %return, label %bb
8
9bb:
10  br label %bb34
11
12bb23:
13  %c = icmp eq i8 %arg, undef
14  br i1 %c, label %bb34, label %bb23
15
16bb34:
17  %Kind.1 = phi i32 [ undef, %bb ], [ %ins174, %bb23 ]
18  %mask173 = or i32 %Kind.1, 7
19  %ins174 = and i32 %mask173, -249
20  br label %bb23
21
22return:
23  ret void
24}
25
26define i32 @test2([4 x i32] %A) {
27  %B = extractvalue [4 x i32] %A, 1
28  ret i32 %B
29}
30
31define x86_mmx @test3() {
32  %load = load x86_mmx, x86_mmx* null
33  ret x86_mmx %load
34}
35