First step after e113317958,
in these tests, DomTree is valid afterwards, so mark them as such,
so that they don't regress.
In further steps, SimplifyCFG transforms shall taught to preserve DomTree,
in as small steps as possible.
25 lines
1.1 KiB
LLVM
25 lines
1.1 KiB
LLVM
; RUN: opt -S -simplifycfg -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck %s
|
|
define void @foo() nounwind ssp #0 !dbg !0 {
|
|
; CHECK: store i32 42, i32* null
|
|
; CHECK-NOT: call void @llvm.trap()
|
|
; CHECK: ret void
|
|
store i32 42, i32* null, !dbg !5
|
|
ret void, !dbg !7
|
|
}
|
|
|
|
attributes #0 = { null_pointer_is_valid }
|
|
|
|
!llvm.dbg.cu = !{!2}
|
|
!llvm.module.flags = !{!10}
|
|
|
|
!0 = distinct !DISubprogram(name: "foo", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !2, file: !8, scope: !1, type: !3)
|
|
!1 = !DIFile(filename: "foo.c", directory: "/private/tmp")
|
|
!2 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "Apple clang version 3.0 (tags/Apple/clang-206.1) (based on LLVM 3.0svn)", isOptimized: true, emissionKind: FullDebug, file: !8, enums: !{}, retainedTypes: !{})
|
|
!3 = !DISubroutineType(types: !4)
|
|
!4 = !{null}
|
|
!5 = !DILocation(line: 4, column: 2, scope: !6)
|
|
!6 = distinct !DILexicalBlock(line: 3, column: 12, file: !8, scope: !0)
|
|
!7 = !DILocation(line: 5, column: 1, scope: !6)
|
|
!8 = !DIFile(filename: "foo.c", directory: "/private/tmp")
|
|
!10 = !{i32 1, !"Debug Info Version", i32 3}
|