1; RUN: opt -memdep -gvn -disable-output < %s
2
3target 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"
4target triple = "x86_64-apple-darwin10.0"
5
6define i32 @test2() nounwind ssp {
7entry:
8    ret i32 0
9
10unreachable_block:
11    %a = add i32 %a, 1
12    ret i32 %a
13}
14
15define i32 @pr23096_test0() {
16entry:
17  br label %bb0
18
19bb1:
20  %ptr1 = ptrtoint i32* %ptr2 to i64
21  %ptr2 = inttoptr i64 %ptr1 to i32*
22  br i1 undef, label %bb0, label %bb1
23
24bb0:
25  %phi = phi i32* [ undef, %entry ], [ %ptr2, %bb1 ]
26  %load = load i32, i32* %phi
27  ret i32 %load
28}
29
30define i32 @pr23096_test1() {
31entry:
32  br label %bb0
33
34bb1:
35  %ptr1 = getelementptr i32, i32* %ptr2, i32 0
36  %ptr2 = getelementptr i32, i32* %ptr1, i32 0
37  br i1 undef, label %bb0, label %bb1
38
39bb0:
40  %phi = phi i32* [ undef, %entry ], [ %ptr2, %bb1 ]
41  %load = load i32, i32* %phi
42  ret i32 %load
43}
44