-
Notifications
You must be signed in to change notification settings - Fork 10.8k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
dag-combine: Transfer debug information when folding (zext (truncate x))
-> (zext (truncate x)) This patch adds debug info support to the dagcombine rule (zext (truncate x)) -> (zext (truncate x)). Differential Revision: https://reviews.llvm.org/D41924 llvm-svn: 322304
- Loading branch information
1 parent
240df6f
commit 29102b3
Showing
2 changed files
with
50 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,46 @@ | ||
; RUN: llc %s -stop-after=livedebugvars -o - | FileCheck %s | ||
source_filename = "/tmp/t.ll" | ||
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" | ||
target triple = "x86_64-apple-macosx10.13" | ||
|
||
%TSb = type <{ i1 }> | ||
|
||
declare swiftcc i1 @f() | ||
|
||
; Function Attrs: nounwind readnone speculatable | ||
declare void @llvm.dbg.declare(metadata, metadata, metadata) #0 | ||
|
||
; Function Attrs: nounwind readnone speculatable | ||
define swiftcc void @g() #0 !dbg !5 { | ||
entry: | ||
%0 = alloca %TSb, align 1 | ||
%1 = call swiftcc i1 @f(), !dbg !7 | ||
; CHECK: DBG_VALUE debug-use %rax, debug-use %noreg, !8, !DIExpression(), debug-location !7 | ||
call void @llvm.dbg.value(metadata i1 %1, metadata !8, metadata !DIExpression()), !dbg !7 | ||
%2 = getelementptr inbounds %TSb, %TSb* %0, i32 0, i32 0, !dbg !7 | ||
store i1 %1, i1* %2, align 1, !dbg !7 | ||
%3 = zext i1 %1 to i64, !dbg !7 | ||
call void asm sideeffect "", "r"(i64 %3), !dbg !7 | ||
ret void, !dbg !7 | ||
} | ||
|
||
; Function Attrs: nounwind readnone speculatable | ||
declare void @llvm.dbg.value(metadata, metadata, metadata) #0 | ||
|
||
attributes #0 = { nounwind readnone speculatable } | ||
|
||
!llvm.dbg.cu = !{!0} | ||
!llvm.module.flags = !{!3, !4} | ||
|
||
!0 = distinct !DICompileUnit(language: DW_LANG_Swift, file: !1, isOptimized: false, runtimeVersion: 4, emissionKind: FullDebug, enums: !2, imports: !2) | ||
!1 = !DIFile(filename: "t.swift", directory: "/tmp") | ||
!2 = !{} | ||
!3 = !{i32 2, !"Dwarf Version", i32 4} | ||
!4 = !{i32 2, !"Debug Info Version", i32 3} | ||
!5 = distinct !DISubprogram(name: "g", scope: !0, file: !1, line: 2, type: !6, isLocal: false, isDefinition: true, scopeLine: 2, isOptimized: false, unit: !0, variables: !2) | ||
!6 = !DISubroutineType(types: !2) | ||
!7 = !DILocation(line: 4, scope: !5) | ||
!8 = !DILocalVariable(name: "hasInput", scope: !5, file: !1, line: 3, type: !9) | ||
!9 = !DICompositeType(tag: DW_TAG_structure_type, name: "Bool", scope: !11, file: !10, size: 8, elements: !2, runtimeLang: DW_LANG_Swift, identifier: "_T0SbD") | ||
!10 = !DIFile(filename: "Swift.swiftmodule", directory: "/usr/lib/swift/macosx/x86_64") | ||
!11 = !DIModule(scope: null, name: "Swift", includePath: "/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk") |