forked from OSchip/llvm-project
80 lines
4.1 KiB
LLVM
80 lines
4.1 KiB
LLVM
; REQUIRES: asserts
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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]
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call void @llvm.dbg.value(metadata !{i32 %i}, i64 0, metadata !3, metadata !{})
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%0 = icmp eq i32 %i, 1, !dbg !7 ; <i1> [#uses=1]
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br i1 %0, label %bb, label %bb1, !dbg !7
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bb: ; preds = %entry
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store i32 0, i32* @Stop, align 4, !dbg !9
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%1 = mul nsw i32 %i, 42, !dbg !10 ; <i32> [#uses=1]
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call void @llvm.dbg.value(metadata !{i32 %1}, i64 0, metadata !3, metadata !{}), !dbg !10
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br label %bb2, !dbg !10
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bb1: ; preds = %entry
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store i32 1, i32* @Stop, align 4, !dbg !11
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br label %bb2, !dbg !11
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bb2: ; preds = %bb1, %bb
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%i_addr.0 = phi i32 [ %1, %bb ], [ %i, %bb1 ] ; <i32> [#uses=1]
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br label %return, !dbg !12
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return: ; preds = %bb2
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ret i32 %i_addr.0, !dbg !12
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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define i32 @bar() nounwind ssp {
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entry:
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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%0 = load i32* @Stop, align 4, !dbg !13 ; <i32> [#uses=1]
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%1 = icmp eq i32 %0, 1, !dbg !13 ; <i1> [#uses=1]
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br i1 %1, label %bb, label %bb1, !dbg !13
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bb: ; preds = %entry
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br label %bb2, !dbg !18
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bb1: ; preds = %entry
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br label %bb2, !dbg !19
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bb2: ; preds = %bb1, %bb
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%.0 = phi i32 [ 0, %bb ], [ 1, %bb1 ] ; <i32> [#uses=1]
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br label %return, !dbg !19
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return: ; preds = %bb2
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ret i32 %.0, !dbg !19
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}
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
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!llvm.dbg.gv = !{!0}
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!0 = metadata !{metadata !"0x34\00Stop\00Stop\00\002\001\001", metadata !1, metadata !1, metadata !2, i32* @Stop} ; [ DW_TAG_variable ]
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!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 ]
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!2 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, metadata !1} ; [ DW_TAG_base_type ]
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!3 = metadata !{metadata !"0x101\00i\004\000", metadata !4, metadata !1, metadata !2} ; [ DW_TAG_arg_variable ]
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!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 ]
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!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 ]
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!6 = metadata !{metadata !2, metadata !2}
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!7 = metadata !{i32 5, i32 0, metadata !8, null}
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!8 = metadata !{metadata !"0xb\000\000\000", metadata !20, metadata !4} ; [ DW_TAG_lexical_block ]
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!9 = metadata !{i32 6, i32 0, metadata !8, null}
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!10 = metadata !{i32 7, i32 0, metadata !8, null}
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!11 = metadata !{i32 9, i32 0, metadata !8, null}
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!12 = metadata !{i32 11, i32 0, metadata !8, null}
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!13 = metadata !{i32 14, i32 0, metadata !14, null}
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!14 = metadata !{metadata !"0xb\000\000\000", metadata !20, metadata !15} ; [ DW_TAG_lexical_block ]
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!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 ]
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!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 ]
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!17 = metadata !{metadata !2}
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!18 = metadata !{i32 15, i32 0, metadata !14, null}
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!19 = metadata !{i32 16, i32 0, metadata !14, null}
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!20 = metadata !{metadata !"g.c", metadata !"/tmp"}
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!21 = metadata !{i32 0}
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