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; RUN: opt < %s -globalopt -stats -disable-output 2>&1 | grep "1 globalopt - Number of global vars shrunk to booleans"
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@Stop = internal global i32 0 ; <i32*> [#uses=3]
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define i32 @foo ( i32 %i ) nounwind ssp {
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entry:
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
call void @llvm.dbg.value ( metadata ! { i32 %i } , i64 0 , metadata !3 )
%0 = icmp eq i32 %i , 1 , !dbg !7 ; <i1> [#uses=1]
br i1 %0 , label %bb , label %bb1 , !dbg !7
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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 ) , !dbg !10
br label %bb2 , !dbg !10
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bb1: ; preds = %entry
store i32 1 , i32 * @Stop , align 4 , !dbg !11
br label %bb2 , !dbg !11
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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
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}
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declare void @llvm.dbg.declare ( 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
}
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declare void @llvm.dbg.value ( metadata , i64 , metadata ) nounwind readnone
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!llvm.dbg.gv = ! { !0 }
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!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 ]
!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 ]
!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 ]
!3 = metadata ! { i32 459009 , metadata !4 , metadata !"i" , metadata !1 , i32 4 , metadata !2 } ; [ DW_TAG_arg_variable ]
!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 ]
!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 ]
!6 = metadata ! { metadata !2 , metadata !2 }
!7 = metadata ! { i32 5 , i32 0 , metadata !8 , null }
!8 = metadata ! { i32 458763 , metadata !4 , i32 0 , i32 0 } ; [ 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 ! { i32 458763 , metadata !15 , i32 0 , i32 0 } ; [ DW_TAG_lexical_block ]
!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 ]
!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 ]
!17 = metadata ! { metadata !2 }
!18 = metadata ! { i32 15 , i32 0 , metadata !14 , null }
!19 = metadata ! { i32 16 , i32 0 , metadata !14 , null }