143 lines
5.0 KiB
YAML
143 lines
5.0 KiB
YAML
# RUN: llc -start-after=phi-node-elimination -stop-after=virtregrewriter %s -mtriple=x86_64-unknown-unknown -o - -experimental-debug-variable-locations | FileCheck %s
|
|
# RUN: llc -O0 -start-after=phi-node-elimination -stop-after=regallocfast %s -mtriple=x86_64-unknown-unknown -o - -experimental-debug-variable-locations | FileCheck %s --check-prefix=FASTREG
|
|
#
|
|
# Test that DBG_INSTR_REFs can pass through livedebugvariables to the end of
|
|
# regalloc without problem. Program body copied from
|
|
# livedebugvars-crossbb-interval.mir.
|
|
#
|
|
# CHECK-LABEL: bb.0:
|
|
# CHECK: DBG_INSTR_REF 1, 0
|
|
# CHECK-NEXT: JMP_1
|
|
# CHECK-LABEL: bb.1:
|
|
# CHECK: DBG_INSTR_REF 2, 0
|
|
# CHECK-NEXT: JMP_1
|
|
# CHECK-LABEL: bb.2:
|
|
# CHECK: DBG_INSTR_REF 3, 0
|
|
# CHECK-NEXT: CALL64pcrel32
|
|
# CHECK-LABEL: bb.3:
|
|
# CHECK: DBG_INSTR_REF 4, 0
|
|
# CHECK-NEXT: JMP_1
|
|
#
|
|
#
|
|
# The fast register allocator puts some spills in -- these are no-ops as far
|
|
# as the slot indexes are concerned. It doesn't matter which side of spills
|
|
# the DBG_INSTR_REF lands on.
|
|
#
|
|
# FASTREG-LABEL: bb.0:
|
|
# FASTREG-DAG: DBG_INSTR_REF 1, 0
|
|
# FASTREG-DAG: MOV64mr
|
|
# FASTREG-DAG: MOV32mr
|
|
# FASTREG-NEXT: JMP_1
|
|
# FASTREG-LABEL: bb.1:
|
|
# FASTREG: DBG_INSTR_REF 2, 0
|
|
# FASTREG-NEXT: JMP_1
|
|
# FASTREG-LABEL: bb.2:
|
|
# FASTREG: DBG_INSTR_REF 3, 0
|
|
# FASTREG-NEXT: CALL64pcrel32
|
|
# FASTREG-LABEL: bb.3:
|
|
# FASTREG-DAG: MOV32rm
|
|
# FASTREG-DAG: DBG_INSTR_REF 4, 0
|
|
# FASTREG-DAG: MOV32mr
|
|
# FASTREG-NEXT: JMP_1
|
|
# FASTREG-LABEL: bb.4:
|
|
# FASTREG: DBG_INSTR_REF 5, 0
|
|
# FASTREG-NEXT: RETQ
|
|
|
|
--- |
|
|
; ModuleID = 'tmp.ll'
|
|
source_filename = "tmp.ll"
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
%struct.a = type { i32 }
|
|
|
|
; Function Attrs: nounwind ssp
|
|
define i32 @bar() !dbg !4 {
|
|
ret i32 0, !dbg !18
|
|
}
|
|
|
|
declare i32 @foo();
|
|
|
|
; Function Attrs: nounwind readnone speculatable willreturn
|
|
declare void @llvm.dbg.value(metadata, metadata, metadata)
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!3}
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "asdf", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2)
|
|
!1 = !DIFile(filename: "bar.c", directory: "asdf")
|
|
!2 = !{}
|
|
!3 = !{i32 1, !"Debug Info Version", i32 3}
|
|
!4 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 5, type: !5, virtualIndex: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8)
|
|
!5 = !DISubroutineType(types: !6)
|
|
!6 = !{!7}
|
|
!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
|
|
!8 = !{!9, !14}
|
|
!9 = !DILocalVariable(name: "b", arg: 1, scope: !4, file: !1, line: 5, type: !10)
|
|
!10 = !DIDerivedType(tag: DW_TAG_pointer_type, scope: !0, baseType: !11, size: 64, align: 64)
|
|
!11 = !DICompositeType(tag: DW_TAG_structure_type, name: "a", scope: !0, file: !1, line: 1, size: 32, align: 32, elements: !12)
|
|
!12 = !{!13}
|
|
!13 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !1, file: !1, line: 2, baseType: !7, size: 32, align: 32)
|
|
!14 = !DILocalVariable(name: "x", scope: !15, file: !1, line: 6, type: !7)
|
|
!15 = distinct !DILexicalBlock(scope: !4, file: !1, line: 5, column: 22)
|
|
!16 = !DILocation(line: 5, column: 19, scope: !4)
|
|
!17 = !DILocation(line: 6, column: 14, scope: !15)
|
|
!18 = !DILocation(line: 8, column: 2, scope: !15)
|
|
!19 = !DILocation(line: 7, column: 2, scope: !15)
|
|
|
|
...
|
|
---
|
|
name: bar
|
|
alignment: 16
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: gr64 }
|
|
- { id: 1, class: gr32 }
|
|
- { id: 2, class: gr64 }
|
|
- { id: 3, class: gr64 }
|
|
- { id: 4, class: gr32 }
|
|
- { id: 5, class: gr32 }
|
|
- { id: 6, class: gr32 }
|
|
- { id: 7, class: gr32 }
|
|
liveins:
|
|
- { reg: '$rdi', virtual-reg: '%2' }
|
|
- { reg: '$esi', virtual-reg: '%4' }
|
|
frameInfo:
|
|
hasCalls: true
|
|
machineFunctionInfo: {}
|
|
body: |
|
|
bb.0:
|
|
liveins: $rdi, $esi
|
|
|
|
%4:gr32 = COPY $esi
|
|
%2:gr64 = COPY $rdi
|
|
%3:gr64 = COPY killed %2
|
|
%5:gr32 = COPY killed %4
|
|
DBG_INSTR_REF 1, 0, !9, !DIExpression(), debug-location !16
|
|
JMP_1 %bb.3
|
|
|
|
bb.1:
|
|
DBG_INSTR_REF 2, 0, !9, !DIExpression(), debug-location !16
|
|
JMP_1 %bb.4
|
|
|
|
bb.2:
|
|
ADJCALLSTACKDOWN64 0, 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp, debug-location !19
|
|
$edi = COPY %6, debug-location !19
|
|
$al = MOV8ri 0, debug-location !19
|
|
DBG_INSTR_REF 3, 0, !9, !DIExpression(), debug-location !16
|
|
CALL64pcrel32 @foo, csr_64, implicit $rsp, implicit $ssp, implicit $al, implicit $edi, implicit-def $eax, debug-location !19
|
|
ADJCALLSTACKUP64 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp, debug-location !19
|
|
%7:gr32 = COPY $eax, debug-location !19
|
|
JMP_1 %bb.1
|
|
|
|
bb.3:
|
|
%6:gr32 = MOV32rm %3, 1, $noreg, 0, $noreg, debug-location !17
|
|
DBG_INSTR_REF 4, 0, !9, !DIExpression(), debug-location !16
|
|
JMP_1 %bb.2
|
|
|
|
bb.4:
|
|
$eax = COPY %5, debug-location !18
|
|
DBG_INSTR_REF 5, 0, !9, !DIExpression(), debug-location !16
|
|
RETQ implicit $eax, debug-location !18
|
|
|
|
...
|