1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
; RUN: opt < %s -jump-threading | llvm-dis
; PR3298
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"
target triple = "i386-apple-darwin9.6"
define i32 @func(i32 %p_79, i32 %p_80) nounwind {
entry:
br label %bb7
bb1: ; preds = %bb2
br label %bb2
bb2: ; preds = %bb7, %bb1
%l_82.0 = phi i8 [ 0, %bb1 ], [ %l_82.1, %bb7 ] ; <i8> [#uses=3]
br i1 true, label %bb3, label %bb1
bb3: ; preds = %bb2
%0 = icmp eq i32 %p_80_addr.1, 0 ; <i1> [#uses=1]
br i1 %0, label %bb7, label %bb6
bb5: ; preds = %bb6
%1 = icmp eq i8 %l_82.0, 0 ; <i1> [#uses=1]
br i1 %1, label %bb1.i, label %bb.i
bb.i: ; preds = %bb5
br label %safe_div_func_char_s_s.exit
bb1.i: ; preds = %bb5
br label %safe_div_func_char_s_s.exit
safe_div_func_char_s_s.exit: ; preds = %bb1.i, %bb.i
br label %bb6
bb6: ; preds = %safe_div_func_char_s_s.exit, %bb3
%p_80_addr.0 = phi i32 [ %p_80_addr.1, %bb3 ], [ 1, %safe_div_func_char_s_s.exit ] ; <i32> [#uses=2]
%2 = icmp eq i32 %p_80_addr.0, 0 ; <i1> [#uses=1]
br i1 %2, label %bb7, label %bb5
bb7: ; preds = %bb6, %bb3, %entry
%l_82.1 = phi i8 [ 1, %entry ], [ %l_82.0, %bb3 ], [ %l_82.0, %bb6 ] ; <i8> [#uses=2]
%p_80_addr.1 = phi i32 [ 0, %entry ], [ %p_80_addr.1, %bb3 ], [ %p_80_addr.0, %bb6 ] ; <i32> [#uses=4]
%3 = icmp eq i32 %p_80_addr.1, 0 ; <i1> [#uses=1]
br i1 %3, label %bb8, label %bb2
bb8: ; preds = %bb7
%4 = sext i8 %l_82.1 to i32 ; <i32> [#uses=0]
ret i32 0
}
|
