78 lines
2.7 KiB
YAML
78 lines
2.7 KiB
YAML
# Verify that a CFI instruction with no debug location
|
|
# does not result in a line-0 location in the assembler.
|
|
# RUN: %llc_dwarf -start-after=prologepilog -march=x86-64 -use-unknown-locations=Enable %s -o - | FileCheck %s
|
|
#
|
|
# CHECK-NOT: .loc 1 0
|
|
# CHECK: .cfi_def_cfa_offset
|
|
# UNSUPPORTED: cygwin,windows-gnu,windows-msvc
|
|
|
|
--- |
|
|
; ModuleID = 'no-cfi-loc.ll'
|
|
source_filename = "no-cfi-loc.ll"
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
define void @foo() !dbg !6 {
|
|
entry:
|
|
call void @bar(), !dbg !8
|
|
ret void, !dbg !9
|
|
}
|
|
|
|
declare void @bar()
|
|
|
|
; Function Attrs: nounwind
|
|
declare void @llvm.stackprotector(i8*, i8**) #0
|
|
|
|
attributes #0 = { nounwind }
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!3, !4}
|
|
!llvm.ident = !{!5}
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 4.0.0 (trunk 288778)", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2)
|
|
!1 = !DIFile(filename: "t.c", directory: "/home/probinson/projects/scratch")
|
|
!2 = !{}
|
|
!3 = !{i32 2, !"Dwarf Version", i32 4}
|
|
!4 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!5 = !{!"clang version 4.0.0 (trunk 288778)"}
|
|
!6 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
|
|
!7 = !DISubroutineType(types: !2)
|
|
!8 = !DILocation(line: 3, column: 2, scope: !6)
|
|
!9 = !DILocation(line: 4, column: 1, scope: !6)
|
|
|
|
...
|
|
---
|
|
name: foo
|
|
alignment: 16
|
|
exposesReturnsTwice: false
|
|
legalized: false
|
|
regBankSelected: false
|
|
selected: false
|
|
tracksRegLiveness: true
|
|
calleeSavedRegisters: [ '$bh', '$bl', '$bp', '$bpl', '$bx', '$ebp', '$ebx',
|
|
'$rbp', '$rbx', '$r12', '$r13', '$r14', '$r15',
|
|
'$r12b', '$r13b', '$r14b', '$r15b', '$r12d', '$r13d',
|
|
'$r14d', '$r15d', '$r12w', '$r13w', '$r14w', '$r15w' ]
|
|
frameInfo:
|
|
isFrameAddressTaken: false
|
|
isReturnAddressTaken: false
|
|
hasStackMap: false
|
|
hasPatchPoint: false
|
|
stackSize: 8
|
|
offsetAdjustment: 0
|
|
maxAlignment: 0
|
|
adjustsStack: true
|
|
hasCalls: true
|
|
maxCallFrameSize: 0
|
|
hasOpaqueSPAdjustment: false
|
|
hasVAStart: false
|
|
hasMustTailInVarArgFunc: false
|
|
body: |
|
|
bb.0.entry:
|
|
frame-setup PUSH64r undef $rax, implicit-def $rsp, implicit $rsp, debug-location !8
|
|
CFI_INSTRUCTION def_cfa_offset 16
|
|
CALL64pcrel32 @bar, csr_64, implicit $rsp, implicit-def $rsp, debug-location !8
|
|
$rax = POP64r implicit-def $rsp, implicit $rsp, debug-location !9
|
|
RET 0, debug-location !9
|
|
|
|
...
|