forked from OSchip/llvm-project
54 lines
2.0 KiB
YAML
54 lines
2.0 KiB
YAML
# After adding new debug instruction for labels, it is possible to have
|
|
# debug instructions before DBG_VALUE. When querying DBG_VALUE's slot
|
|
# index using previous instruction and the previous instruction is debug
|
|
# instruction, it will trigger an assertion as using debug instruction
|
|
# to get slot index. This test is to emulate the case when DBG_VALUE's
|
|
# previous instruction is DBG_LABEL in LiveDebugVariables pass.
|
|
#
|
|
# RUN: llc -run-pass=livedebugvars -run-pass=virtregrewriter -o - %s | FileCheck %s
|
|
|
|
--- |
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
define i32 @foo(i32 %a, i32 %b) !dbg !4 {
|
|
entry:
|
|
ret i32 0, !dbg !12
|
|
}
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!3}
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
|
|
!1 = !DIFile(filename: "debug-var-slot.c", directory: "./")
|
|
!2 = !{}
|
|
!3 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 2, isOptimized: true, unit: !0, retainedNodes: !2)
|
|
!5 = !DISubroutineType(types: !6)
|
|
!6 = !{!7, !7, !7}
|
|
!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
|
|
!8 = !DILabel(scope: !4, name: "top", file: !1, line: 4)
|
|
!9 = !DILocation(line: 4, column: 1, scope: !4)
|
|
!10 = !DILocalVariable(name: "local_var", scope: !4, file: !1, line: 7, type: !7)
|
|
!11 = !DILocation(line: 7, column: 1, scope: !4)
|
|
!12 = !DILocation(line: 8, column: 3, scope: !4)
|
|
!13 = !DILocalVariable(name: "local_var2", scope: !4, file: !1, line: 7, type: !7)
|
|
|
|
...
|
|
---
|
|
name: foo
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0:
|
|
|
|
DBG_VALUE $esi, $noreg, !13, !DIExpression(), debug-location !11
|
|
DBG_LABEL !8, debug-location !9
|
|
DBG_VALUE $edi, $noreg, !10, !DIExpression(), debug-location !11
|
|
RET 0, undef $eax, debug-location !12
|
|
...
|
|
|
|
# CHECK-LABEL: name: foo
|
|
# CHECK: bb.0:
|
|
# CHECK-DAG: DBG_LABEL
|
|
# CHECK-DAG: DBG_VALUE $esi
|
|
# CHECK-DAG: DBG_VALUE $edi
|