142 lines
6.7 KiB
Plaintext
142 lines
6.7 KiB
Plaintext
|
# We do not support the call site info for the target now, so we use the experimental option (-emit-call-site-info -debug-entry-values).
|
||
|
|
|
||
|
|
# RUN: llc -emit-call-site-info -debug-entry-values -run-pass=livedebugvalues -o - %s | FileCheck %s
|
||
|
|
|
||
|
|
# Verify that the entry values for the input parameters are inserted after the
|
||
|
|
# bundles which contains the registers' clobbering instructions (the calls to
|
||
|
|
# @clobber). Previously the insertions would thrash the bundles, later on
|
||
|
|
# triggering a crash in DebugHandlerBase.
|
||
|
|
|
||
|
|
--- |
|
||
|
|
target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048"
|
||
|
|
target triple = "hexagon"
|
||
|
|
|
||
|
|
; Function Attrs: nounwind
|
||
|
|
define i32 @foo(i32 %arg) !dbg !12 {
|
||
|
|
entry:
|
||
|
|
call void @llvm.dbg.value(metadata i32 %arg, metadata !16, metadata !DIExpression()), !dbg !17
|
||
|
|
%call = tail call i32 @clobber(), !dbg !18
|
||
|
|
ret i32 1, !dbg !19
|
||
|
|
}
|
||
|
|
|
||
|
|
declare !dbg !4 i32 @clobber()
|
||
|
|
|
||
|
|
; Function Attrs: nounwind
|
||
|
|
define i32 @bar(i32 %b) !dbg !20 {
|
||
|
|
entry:
|
||
|
|
call void @llvm.dbg.value(metadata i32 %b, metadata !22, metadata !DIExpression()), !dbg !23
|
||
|
|
%tobool = icmp eq i32 %b, 0, !dbg !24
|
||
|
|
br i1 %tobool, label %land.end, label %land.rhs, !dbg !24
|
||
|
|
|
||
|
|
land.rhs: ; preds = %entry
|
||
|
|
%call = tail call i32 @clobber(), !dbg !25
|
||
|
|
br label %land.end
|
||
|
|
|
||
|
|
land.end: ; preds = %entry, %land.rhs
|
||
|
|
ret i32 undef, !dbg !27
|
||
|
|
}
|
||
|
|
|
||
|
|
; 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 = !{!8, !9, !10}
|
||
|
|
!llvm.ident = !{!11}
|
||
|
|
|
||
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None)
|
||
|
|
!1 = !DIFile(filename: "foo.c", directory: "/")
|
||
|
|
!2 = !{}
|
||
|
|
!3 = !{!4}
|
||
|
|
!4 = !DISubprogram(name: "clobber", scope: !1, file: !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
|
||
|
|
!5 = !DISubroutineType(types: !6)
|
||
|
|
!6 = !{!7}
|
||
|
|
!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
|
||
|
|
!8 = !{i32 2, !"Dwarf Version", i32 4}
|
||
|
|
!9 = !{i32 2, !"Debug Info Version", i32 3}
|
||
|
|
!10 = !{i32 1, !"wchar_size", i32 4}
|
||
|
|
!11 = !{!"clang version 10.0.0"}
|
||
|
|
!12 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 3, type: !13, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !15)
|
||
|
|
!13 = !DISubroutineType(types: !14)
|
||
|
|
!14 = !{!7, !7}
|
||
|
|
!15 = !{!16}
|
||
|
|
!16 = !DILocalVariable(name: "arg", arg: 1, scope: !12, file: !1, line: 3, type: !7)
|
||
|
|
!17 = !DILocation(line: 0, scope: !12)
|
||
|
|
!18 = !DILocation(line: 4, scope: !12)
|
||
|
|
!19 = !DILocation(line: 5, scope: !12)
|
||
|
|
!20 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 8, type: !13, scopeLine: 8, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !21)
|
||
|
|
!21 = !{!22}
|
||
|
|
!22 = !DILocalVariable(name: "arg", arg: 1, scope: !20, file: !1, line: 8, type: !7)
|
||
|
|
!23 = !DILocation(line: 0, scope: !20)
|
||
|
|
!24 = !DILocation(line: 9, scope: !20)
|
||
|
|
!25 = !DILocation(line: 9, scope: !26)
|
||
|
|
!26 = distinct !DILexicalBlock(scope: !20, file: !1, line: 9)
|
||
|
|
!27 = !DILocation(line: 10, scope: !20)
|
||
|
|
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: foo
|
||
|
|
tracksRegLiveness: true
|
||
|
|
body: |
|
||
|
|
bb.0.entry:
|
||
|
|
DBG_VALUE $r0, $noreg, !16, !DIExpression(), debug-location !17
|
||
|
|
CFI_INSTRUCTION def_cfa $r30, 8
|
||
|
|
CFI_INSTRUCTION offset $r31, -4
|
||
|
|
CFI_INSTRUCTION offset $r30, -8
|
||
|
|
BUNDLE implicit-def $r29, implicit-def $r30, implicit-def dead $pc, implicit-def dead $r31, implicit-def dead $r0, implicit $r29, implicit killed $framekey, implicit killed $framelimit, implicit killed $r30, implicit killed $r31, debug-location !18 {
|
||
|
|
$r29 = S2_allocframe $r29, 0, implicit-def $r30, implicit killed $framekey, implicit killed $framelimit, implicit killed $r30, implicit killed $r31, debug-location !18 :: (store 4 into stack)
|
||
|
|
J2_call @clobber, hexagoncsr, implicit-def dead $pc, implicit-def dead $r31, implicit internal killed $r29, implicit-def $r29, implicit-def dead $r0, debug-location !18
|
||
|
|
}
|
||
|
|
BUNDLE implicit-def dead $r0, implicit-def $d15, implicit-def $r30, implicit-def $r31, implicit-def $pc, implicit-def $r29, implicit killed $r30, implicit killed $framekey, debug-location !19 {
|
||
|
|
$r0 = A2_tfrsi 1, debug-location !19
|
||
|
|
$d15 = L4_return killed $r30, implicit-def $pc, implicit-def $r29, implicit killed $framekey, implicit-def dead $pc, implicit internal killed $r0, debug-location !19
|
||
|
|
}
|
||
|
|
|
||
|
|
...
|
||
|
|
|
||
|
|
# CHECK-LABEL: name: foo
|
||
|
|
# CHECK: BUNDLE
|
||
|
|
# CHECK-NEXT: $r29 = S2_allocframe $r29, 0
|
||
|
|
# CHECK-NEXT: J2_call @clobber
|
||
|
|
# CHECK-NEXT: }
|
||
|
|
# CHECK-NEXT: DBG_VALUE $r0, $noreg, !16, !DIExpression(DW_OP_LLVM_entry_value, 1)
|
||
|
|
|
||
|
|
---
|
||
|
|
name: bar
|
||
|
|
tracksRegLiveness: true
|
||
|
|
liveins:
|
||
|
|
- { reg: '$r0' }
|
||
|
|
body: |
|
||
|
|
bb.0.entry:
|
||
|
|
successors: %bb.1
|
||
|
|
liveins: $r0
|
||
|
|
|
||
|
|
DBG_VALUE $r0, $noreg, !22, !DIExpression(), debug-location !23
|
||
|
|
DBG_VALUE $r0, $noreg, !22, !DIExpression(), debug-location !23
|
||
|
|
BUNDLE implicit-def dead $p0, implicit-def $pc, implicit killed $r0, implicit killed $r31, debug-location !24 {
|
||
|
|
renamable $p0 = C2_cmpeqi killed renamable $r0, 0, debug-location !24
|
||
|
|
PS_jmprettnew internal killed $p0, killed $r31, implicit-def $pc, implicit-def $pc, implicit killed undef $r0, debug-location !27
|
||
|
|
}
|
||
|
|
|
||
|
|
bb.1.land.rhs:
|
||
|
|
CFI_INSTRUCTION def_cfa $r30, 8
|
||
|
|
CFI_INSTRUCTION offset $r31, -4
|
||
|
|
CFI_INSTRUCTION offset $r30, -8
|
||
|
|
BUNDLE implicit-def $r29, implicit-def $r30, implicit-def $pc, implicit-def $r31, implicit-def dead $r0, implicit $r29, implicit killed $framekey, implicit killed $framelimit, implicit killed $r30, implicit killed $r31, debug-location !25 {
|
||
|
|
$r29 = S2_allocframe $r29, 0, implicit-def $r30, implicit killed $framekey, implicit killed $framelimit, implicit killed $r30, implicit killed $r31, debug-location !25 :: (store 4 into stack)
|
||
|
|
J2_call @clobber, hexagoncsr, implicit-def $pc, implicit-def $r31, implicit internal killed $r29, implicit-def $r29, implicit-def dead $r0, debug-location !25
|
||
|
|
}
|
||
|
|
$d15 = L2_deallocframe killed $r30, implicit-def $r29, implicit killed $framekey
|
||
|
|
PS_jmpret killed $r31, implicit-def $pc, implicit killed undef $r0, debug-location !27
|
||
|
|
|
||
|
|
...
|
||
|
|
|
||
|
|
# CHECK-LABEL: name: bar
|
||
|
|
# CHECK: BUNDLE
|
||
|
|
# CHECK: BUNDLE
|
||
|
|
# CHECK-NEXT: $r29 = S2_allocframe $r29, 0
|
||
|
|
# CHECK-NEXT: J2_call @clobber
|
||
|
|
# CHECK-NEXT: }
|
||
|
|
# CHECK-NEXT: DBG_VALUE $r0, $noreg, !22, !DIExpression(DW_OP_LLVM_entry_value, 1)
|