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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
; REQUIRES: asserts
; RUN: opt < %s -globalopt -stats -disable-output 2>&1 | grep "1 globalopt - Number of global vars shrunk to booleans"
@Stop = internal global i32 0 ; <i32*> [#uses=3]
define i32 @foo(i32 %i) nounwind ssp {
entry:
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
call void @llvm.dbg.value(metadata !{i32 %i}, i64 0, metadata !3, metadata !{})
%0 = icmp eq i32 %i, 1, !dbg !7 ; <i1> [#uses=1]
br i1 %0, label %bb, label %bb1, !dbg !7
bb: ; preds = %entry
store i32 0, i32* @Stop, align 4, !dbg !9
%1 = mul nsw i32 %i, 42, !dbg !10 ; <i32> [#uses=1]
call void @llvm.dbg.value(metadata !{i32 %1}, i64 0, metadata !3, metadata !{}), !dbg !10
br label %bb2, !dbg !10
bb1: ; preds = %entry
store i32 1, i32* @Stop, align 4, !dbg !11
br label %bb2, !dbg !11
bb2: ; preds = %bb1, %bb
%i_addr.0 = phi i32 [ %1, %bb ], [ %i, %bb1 ] ; <i32> [#uses=1]
br label %return, !dbg !12
return: ; preds = %bb2
ret i32 %i_addr.0, !dbg !12
}
declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
define i32 @bar() nounwind ssp {
entry:
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%0 = load i32* @Stop, align 4, !dbg !13 ; <i32> [#uses=1]
%1 = icmp eq i32 %0, 1, !dbg !13 ; <i1> [#uses=1]
br i1 %1, label %bb, label %bb1, !dbg !13
bb: ; preds = %entry
br label %bb2, !dbg !18
bb1: ; preds = %entry
br label %bb2, !dbg !19
bb2: ; preds = %bb1, %bb
%.0 = phi i32 [ 0, %bb ], [ 1, %bb1 ] ; <i32> [#uses=1]
br label %return, !dbg !19
return: ; preds = %bb2
ret i32 %.0, !dbg !19
}
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
!llvm.dbg.gv = !{!0}
!0 = metadata !{metadata !"0x34\00Stop\00Stop\00\002\001\001", metadata !1, metadata !1, metadata !2, i32* @Stop} ; [ DW_TAG_variable ]
!1 = metadata !{metadata !"0x11\001\004.2.1 (Based on Apple Inc. build 5658) (LLVM build)\001\00\000\00\000", metadata !20, metadata !21, metadata !21, null, null, null} ; [ DW_TAG_compile_unit ]
!2 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, metadata !1} ; [ DW_TAG_base_type ]
!3 = metadata !{metadata !"0x101\00i\004\000", metadata !4, metadata !1, metadata !2} ; [ DW_TAG_arg_variable ]
!4 = metadata !{metadata !"0x2e\00foo\00foo\00foo\004\000\001\000\006\000\000\000", i32 0, metadata !1, metadata !5, null, null, null, null, null} ; [ DW_TAG_subprogram ]
!5 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", metadata !1, null, null, metadata !6, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!6 = metadata !{metadata !2, metadata !2}
!7 = metadata !{i32 5, i32 0, metadata !8, null}
!8 = metadata !{metadata !"0xb\000\000\000", metadata !20, metadata !4} ; [ DW_TAG_lexical_block ]
!9 = metadata !{i32 6, i32 0, metadata !8, null}
!10 = metadata !{i32 7, i32 0, metadata !8, null}
!11 = metadata !{i32 9, i32 0, metadata !8, null}
!12 = metadata !{i32 11, i32 0, metadata !8, null}
!13 = metadata !{i32 14, i32 0, metadata !14, null}
!14 = metadata !{metadata !"0xb\000\000\000", metadata !20, metadata !15} ; [ DW_TAG_lexical_block ]
!15 = metadata !{metadata !"0x2e\00bar\00bar\00bar\0013\000\001\000\006\000\000\000", i32 0, metadata !1, metadata !16, null, null, null, null, null} ; [ DW_TAG_subprogram ]
!16 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", metadata !1, null, null, metadata !17, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!17 = metadata !{metadata !2}
!18 = metadata !{i32 15, i32 0, metadata !14, null}
!19 = metadata !{i32 16, i32 0, metadata !14, null}
!20 = metadata !{metadata !"g.c", metadata !"/tmp"}
!21 = metadata !{i32 0}
|
