80 lines
3.1 KiB
Plaintext
80 lines
3.1 KiB
Plaintext
|
# RUN: llc -run-pass=livedebugvalues -verify-machineinstrs -march=x86-64 -o - %s | FileCheck %s
|
||
|
|
#
|
||
|
|
#extern void fn2(int);
|
||
|
|
#
|
||
|
|
#__attribute__((noinline))
|
||
|
|
#void
|
||
|
|
#fn1 (int x, int y) {
|
||
|
|
# int u = x + y;
|
||
|
|
# if (x > 1)
|
||
|
|
# u += 1;
|
||
|
|
# else
|
||
|
|
# u += 2;
|
||
|
|
# int a = 7;
|
||
|
|
# fn2 (a);
|
||
|
|
# u --;
|
||
|
|
#}
|
||
|
|
# CHECK: DBG_VALUE $edi, $noreg, !14, !DIExpression(DW_OP_LLVM_entry_value, 1), debug-location {{.*}}
|
||
|
|
# CHECK-NOT: DBG_VALUE $esi, $noreg, !15, !DIExpression(DW_OP_LLVM_entry_value, 1)
|
||
|
|
|
||
|
|
--- |
|
||
|
|
; ModuleID = 'test.c'
|
||
|
|
source_filename = "test.c"
|
||
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
||
|
|
|
||
|
|
; Function Attrs: noinline nounwind uwtable
|
||
|
|
define dso_local void @fn1(i32 %x, i32 %y) local_unnamed_addr !dbg !9 {
|
||
|
|
entry:
|
||
|
|
call void @llvm.dbg.value(metadata i32 %x, metadata !14, metadata !DIExpression()), !dbg !18
|
||
|
|
call void @llvm.dbg.value(metadata i32 %y, metadata !15, metadata !DIExpression()), !dbg !18
|
||
|
|
call void @llvm.dbg.value(metadata i32 7, metadata !17, metadata !DIExpression()), !dbg !18
|
||
|
|
tail call void @fn2(i32 7), !dbg !18
|
||
|
|
ret void, !dbg !18
|
||
|
|
}
|
||
|
|
|
||
|
|
declare !dbg !4 dso_local void @fn2(i32) local_unnamed_addr
|
||
|
|
|
||
|
|
; Function Attrs: nounwind readnone speculatable
|
||
|
|
declare void @llvm.dbg.value(metadata, metadata, metadata)
|
||
|
|
|
||
|
|
|
||
|
|
!llvm.dbg.cu = !{!0}
|
||
|
|
!llvm.module.flags = !{!5, !6, !7}
|
||
|
|
!llvm.ident = !{!8}
|
||
|
|
|
||
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 9.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None)
|
||
|
|
!1 = !DIFile(filename: "test.c", directory: "/dir")
|
||
|
|
!2 = !{}
|
||
|
|
!3 = !{!4}
|
||
|
|
!4 = !DISubprogram(name: "fn2", scope: !1, file: !1, line: 11, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
|
||
|
|
!5 = !{i32 2, !"Dwarf Version", i32 4}
|
||
|
|
!6 = !{i32 2, !"Debug Info Version", i32 3}
|
||
|
|
!7 = !{i32 1, !"wchar_size", i32 4}
|
||
|
|
!8 = !{!"clang version 9.0.0"}
|
||
|
|
!9 = distinct !DISubprogram(name: "fn1", scope: !1, file: !1, line: 15, type: !10, scopeLine: 15, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !13)
|
||
|
|
!10 = !DISubroutineType(types: !11)
|
||
|
|
!11 = !{null, !12, !12}
|
||
|
|
!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
|
||
|
|
!13 = !{!14, !15, !16, !17}
|
||
|
|
!14 = !DILocalVariable(name: "x", arg: 1, scope: !9, file: !1, line: 15, type: !12)
|
||
|
|
!15 = !DILocalVariable(name: "y", arg: 2, scope: !9, file: !1, line: 15, type: !12)
|
||
|
|
!16 = !DILocalVariable(name: "u", scope: !9, file: !1, line: 16, type: !12)
|
||
|
|
!17 = !DILocalVariable(name: "a", scope: !9, file: !1, line: 21, type: !12)
|
||
|
|
!18 = !DILocation(line: 15, column: 10, scope: !9)
|
||
|
|
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: fn1
|
||
|
|
alignment: 16
|
||
|
|
tracksRegLiveness: true
|
||
|
|
liveins: []
|
||
|
|
body: |
|
||
|
|
bb.0.entry:
|
||
|
|
DBG_VALUE $edi, $noreg, !14, !DIExpression(), debug-location !18
|
||
|
|
DBG_VALUE $esi, $noreg, !15, !DIExpression(), debug-location !18
|
||
|
|
DBG_VALUE 7, $noreg, !17, !DIExpression(), debug-location !18
|
||
|
|
$edi = MOV32ri 7, debug-location !18
|
||
|
|
TAILJMPd64 @fn2, csr_64, implicit $rsp, implicit $ssp, implicit $rsp, implicit $ssp, implicit killed $edi, debug-location !18
|
||
|
|
|
||
|
|
...
|