1525abb9c9
sizeWithoutDebug() iterates over the entire block, but all we do is to check whether the number is not equal to one. In times of debug records, simply check whether the first and last instructions are equal.
46 lines
1.9 KiB
LLVM
46 lines
1.9 KiB
LLVM
; RUN: llc -mtriple=aarch64 -O1 -opt-bisect-limit=2 -o - %s 2> /dev/null | FileCheck %s
|
|
; RUN: llc --preserve-input-debuginfo-format=true -mtriple=aarch64 -O1 -opt-bisect-limit=2 -o - %s 2> /dev/null | FileCheck %s
|
|
|
|
define dso_local i32 @a() #0 !dbg !7 {
|
|
entry:
|
|
; CHECK: b .LBB0_1
|
|
; CHECK: .LBB0_1:
|
|
call void @llvm.dbg.value(metadata i32 0, metadata !12, metadata !DIExpression()), !dbg !13
|
|
br label %for.cond, !dbg !14
|
|
|
|
; CHECK: b .LBB0_1
|
|
; CHECK: .Lfunc_end0:
|
|
for.cond:
|
|
br label %for.cond, !dbg !15, !llvm.loop !18
|
|
}
|
|
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1
|
|
|
|
declare void @llvm.dbg.value(metadata, metadata, metadata) #2
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!3, !4, !5}
|
|
!llvm.ident = !{!6}
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
|
|
!1 = !DIFile(filename: "fast-isel-branch-uncond-debug.ll", directory: "/tmp")
|
|
!2 = !{}
|
|
!3 = !{i32 2, !"Dwarf Version", i32 4}
|
|
!4 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!5 = !{i32 1, !"wchar_size", i32 4}
|
|
!6 = !{!""}
|
|
!7 = distinct !DISubprogram(name: "a", scope: !1, file: !1, line: 1, type: !8, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11)
|
|
!8 = !DISubroutineType(types: !9)
|
|
!9 = !{!10}
|
|
!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
|
|
!11 = !{!12}
|
|
!12 = !DILocalVariable(name: "b", scope: !7, file: !1, line: 2, type: !10)
|
|
!13 = !DILocation(line: 0, scope: !7)
|
|
!14 = !DILocation(line: 3, column: 3, scope: !7)
|
|
!15 = !DILocation(line: 3, column: 3, scope: !16)
|
|
!16 = distinct !DILexicalBlock(scope: !17, file: !1, line: 3, column: 3)
|
|
!17 = distinct !DILexicalBlock(scope: !7, file: !1, line: 3, column: 3)
|
|
!18 = distinct !{!18, !19, !20}
|
|
!19 = !DILocation(line: 3, column: 3, scope: !17)
|
|
!20 = !DILocation(line: 4, column: 5, scope: !17)
|
|
|