1 ; RUN: opt < %s -globalopt -stats -disable-output |& grep "1 globalopt - Number of global vars shrunk to booleans"
3 @Stop = internal global i32 0 ; <i32*> [#uses=3]
5 define i32 @foo(i32 %i) nounwind ssp {
7 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
8 call void @llvm.dbg.value(metadata !{i32 %i}, i64 0, metadata !3)
9 %0 = icmp eq i32 %i, 1, !dbg !7 ; <i1> [#uses=1]
10 br i1 %0, label %bb, label %bb1, !dbg !7
13 store i32 0, i32* @Stop, align 4, !dbg !9
14 %1 = mul nsw i32 %i, 42, !dbg !10 ; <i32> [#uses=1]
15 call void @llvm.dbg.value(metadata !{i32 %1}, i64 0, metadata !3), !dbg !10
16 br label %bb2, !dbg !10
19 store i32 1, i32* @Stop, align 4, !dbg !11
20 br label %bb2, !dbg !11
22 bb2: ; preds = %bb1, %bb
23 %i_addr.0 = phi i32 [ %1, %bb ], [ %i, %bb1 ] ; <i32> [#uses=1]
24 br label %return, !dbg !12
26 return: ; preds = %bb2
27 ret i32 %i_addr.0, !dbg !12
30 declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
32 define i32 @bar() nounwind ssp {
34 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
35 %0 = load i32* @Stop, align 4, !dbg !13 ; <i32> [#uses=1]
36 %1 = icmp eq i32 %0, 1, !dbg !13 ; <i1> [#uses=1]
37 br i1 %1, label %bb, label %bb1, !dbg !13
40 br label %bb2, !dbg !18
43 br label %bb2, !dbg !19
45 bb2: ; preds = %bb1, %bb
46 %.0 = phi i32 [ 0, %bb ], [ 1, %bb1 ] ; <i32> [#uses=1]
47 br label %return, !dbg !19
49 return: ; preds = %bb2
53 declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
57 !0 = metadata !{i32 458804, i32 0, metadata !1, metadata !"Stop", metadata !"Stop", metadata !"", metadata !1, i32 2, metadata !2, i1 true, i1 true, i32* @Stop} ; [ DW_TAG_variable ]
58 !1 = metadata !{i32 458769, i32 0, i32 1, metadata !"g.c", metadata !"/tmp", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
59 !2 = metadata !{i32 458788, metadata !1, metadata !"int", metadata !1, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
60 !3 = metadata !{i32 459009, metadata !4, metadata !"i", metadata !1, i32 4, metadata !2} ; [ DW_TAG_arg_variable ]
61 !4 = metadata !{i32 458798, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"foo", metadata !1, i32 4, metadata !5, i1 false, i1 true, i32 0, i32 0, null, i1 false} ; [ DW_TAG_subprogram ]
62 !5 = metadata !{i32 458773, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !6, i32 0, null} ; [ DW_TAG_subroutine_type ]
63 !6 = metadata !{metadata !2, metadata !2}
64 !7 = metadata !{i32 5, i32 0, metadata !8, null}
65 !8 = metadata !{i32 458763, metadata !4, i32 0, i32 0} ; [ DW_TAG_lexical_block ]
66 !9 = metadata !{i32 6, i32 0, metadata !8, null}
67 !10 = metadata !{i32 7, i32 0, metadata !8, null}
68 !11 = metadata !{i32 9, i32 0, metadata !8, null}
69 !12 = metadata !{i32 11, i32 0, metadata !8, null}
70 !13 = metadata !{i32 14, i32 0, metadata !14, null}
71 !14 = metadata !{i32 458763, metadata !15, i32 0, i32 0} ; [ DW_TAG_lexical_block ]
72 !15 = metadata !{i32 458798, i32 0, metadata !1, metadata !"bar", metadata !"bar", metadata !"bar", metadata !1, i32 13, metadata !16, i1 false, i1 true, i32 0, i32 0, null, i1 false} ; [ DW_TAG_subprogram ]
73 !16 = metadata !{i32 458773, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !17, i32 0, null} ; [ DW_TAG_subroutine_type ]
74 !17 = metadata !{metadata !2}
75 !18 = metadata !{i32 15, i32 0, metadata !14, null}
76 !19 = metadata !{i32 16, i32 0, metadata !14, null}