forked from OSchip/llvm-project
80 lines
3.5 KiB
LLVM
80 lines
3.5 KiB
LLVM
; 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 = !{!"0x34\00Stop\00Stop\00\002\001\001", !1, !1, !2, i32* @Stop} ; [ DW_TAG_variable ]
|
|
!1 = !{!"0x11\001\004.2.1 (Based on Apple Inc. build 5658) (LLVM build)\001\00\000\00\000", !20, !21, !21, null, null, null} ; [ DW_TAG_compile_unit ]
|
|
!2 = !{!"0x24\00int\000\0032\0032\000\000\005", null, !1} ; [ DW_TAG_base_type ]
|
|
!3 = !{!"0x101\00i\004\000", !4, !1, !2} ; [ DW_TAG_arg_variable ]
|
|
!4 = !{!"0x2e\00foo\00foo\00foo\004\000\001\000\006\000\000\000", i32 0, !1, !5, null, null, null, null, null} ; [ DW_TAG_subprogram ]
|
|
!5 = !{!"0x15\00\000\000\000\000\000\000", !1, null, null, !6, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
|
|
!6 = !{!2, !2}
|
|
!7 = !MDLocation(line: 5, scope: !8)
|
|
!8 = !{!"0xb\000\000\000", !20, !4} ; [ DW_TAG_lexical_block ]
|
|
!9 = !MDLocation(line: 6, scope: !8)
|
|
!10 = !MDLocation(line: 7, scope: !8)
|
|
!11 = !MDLocation(line: 9, scope: !8)
|
|
!12 = !MDLocation(line: 11, scope: !8)
|
|
!13 = !MDLocation(line: 14, scope: !14)
|
|
!14 = !{!"0xb\000\000\000", !20, !15} ; [ DW_TAG_lexical_block ]
|
|
!15 = !{!"0x2e\00bar\00bar\00bar\0013\000\001\000\006\000\000\000", i32 0, !1, !16, null, null, null, null, null} ; [ DW_TAG_subprogram ]
|
|
!16 = !{!"0x15\00\000\000\000\000\000\000", !1, null, null, !17, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
|
|
!17 = !{!2}
|
|
!18 = !MDLocation(line: 15, scope: !14)
|
|
!19 = !MDLocation(line: 16, scope: !14)
|
|
!20 = !{!"g.c", !"/tmp"}
|
|
!21 = !{i32 0}
|