mirror of
https://github.com/RPCSX/llvm.git
synced 2024-12-04 18:06:49 +00:00
DebugInfo: Fix UserValue::match() in LiveDebugVariables after r235050
r235050 dropped the inlined-at field from `MDLocalVariable`, deferring to the `!dbg` attachments. Fix `UserValue` to take the `!dbg` into account when differentiating between variables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235140 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
parent
fabcaee0e8
commit
1d30e3faf2
@ -158,10 +158,10 @@ public:
|
||||
UserValue *getNext() const { return next; }
|
||||
|
||||
/// match - Does this UserValue match the parameters?
|
||||
bool match(const MDNode *Var, const MDNode *Expr, unsigned Offset,
|
||||
bool indirect) const {
|
||||
return Var == Variable && Expr == Expression && Offset == offset &&
|
||||
indirect == IsIndirect;
|
||||
bool match(const MDNode *Var, const MDNode *Expr, const MDLocation *IA,
|
||||
unsigned Offset, bool indirect) const {
|
||||
return Var == Variable && Expr == Expression && dl->getInlinedAt() == IA &&
|
||||
Offset == offset && indirect == IsIndirect;
|
||||
}
|
||||
|
||||
/// merge - Merge equivalence classes.
|
||||
@ -464,7 +464,7 @@ UserValue *LDVImpl::getUserValue(const MDNode *Var, const MDNode *Expr,
|
||||
UserValue *UV = Leader->getLeader();
|
||||
Leader = UV;
|
||||
for (; UV; UV = UV->getNext())
|
||||
if (UV->match(Var, Expr, Offset, IsIndirect))
|
||||
if (UV->match(Var, Expr, DL->getInlinedAt(), Offset, IsIndirect))
|
||||
return UV;
|
||||
}
|
||||
|
||||
|
||||
105
test/DebugInfo/X86/inlined-formal-parameter.ll
Normal file
105
test/DebugInfo/X86/inlined-formal-parameter.ll
Normal file
@ -0,0 +1,105 @@
|
||||
; RUN: llc -filetype=obj -o %t.o %s
|
||||
; RUN: llvm-dwarfdump -debug-dump=info %t.o | FileCheck %s
|
||||
|
||||
; Testcase generated using 'clang -O2 -S -emit-llvm' from the following:
|
||||
;; int *g;
|
||||
;;
|
||||
;; static __attribute__((always_inline)) int f(int a) {
|
||||
;; int l;
|
||||
;; g = &l;
|
||||
;; return a;
|
||||
;; }
|
||||
;;
|
||||
;; int main(void) {
|
||||
;; f(0);
|
||||
;; f(0);
|
||||
;; return 0;
|
||||
;; }
|
||||
|
||||
; Check that we the first call to f(0) has no inlined subroutine (since the
|
||||
; function is optimized out), and the second call correctly describes the
|
||||
; formal parameter 'a'.
|
||||
|
||||
; CHECK: DW_TAG_inlined_subroutine
|
||||
; CHECK-NOT: DW_TAG_inlined_subroutine
|
||||
; CHECK: DW_AT_low_pc
|
||||
; CHECK-NEXT: DW_AT_high_pc
|
||||
; CHECK-NOT: DW_TAG_inlined_subroutine
|
||||
; CHECK: DW_TAG_formal_parameter
|
||||
; CHECK-NEXT: DW_AT_const_value
|
||||
; CHECK-NEXT: DW_AT_abstract_origin {{.*}} "a"
|
||||
; CHECK-NOT: DW_TAG_inlined_subroutine
|
||||
; CHECK: DW_TAG_variable
|
||||
; CHECK-NEXT: DW_AT_location
|
||||
; CHECK-NEXT: DW_AT_abstract_origin {{.*}} "l"
|
||||
|
||||
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
||||
target triple = "x86_64-apple-darwin"
|
||||
|
||||
@g = common global i32* null, align 8
|
||||
|
||||
; Function Attrs: nounwind ssp uwtable
|
||||
define i32 @main() #0 {
|
||||
entry:
|
||||
%l.i2 = alloca i32, align 4
|
||||
tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !12, metadata !21), !dbg !22
|
||||
%0 = bitcast i32* %l.i2 to i8*, !dbg !24
|
||||
call void @llvm.lifetime.start(i64 4, i8* %0), !dbg !24
|
||||
tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !12, metadata !21), !dbg !24
|
||||
tail call void @llvm.dbg.value(metadata i32* %l.i2, i64 0, metadata !13, metadata !21), !dbg !26
|
||||
store i32* %l.i2, i32** @g, align 8, !dbg !27, !tbaa !28
|
||||
call void @llvm.lifetime.end(i64 4, i8* %0), !dbg !32
|
||||
ret i32 0, !dbg !33
|
||||
}
|
||||
|
||||
; Function Attrs: nounwind readnone
|
||||
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
|
||||
|
||||
; Function Attrs: nounwind
|
||||
declare void @llvm.lifetime.start(i64, i8* nocapture) #2
|
||||
|
||||
; Function Attrs: nounwind
|
||||
declare void @llvm.lifetime.end(i64, i8* nocapture) #2
|
||||
|
||||
attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="core2" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
||||
attributes #1 = { nounwind readnone }
|
||||
attributes #2 = { nounwind }
|
||||
|
||||
!llvm.dbg.cu = !{!0}
|
||||
!llvm.module.flags = !{!17, !18, !19}
|
||||
!llvm.ident = !{!20}
|
||||
|
||||
!0 = !MDCompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0 (trunk 235110) (llvm/trunk 235108)", isOptimized: true, runtimeVersion: 0, emissionKind: 1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !14, imports: !2)
|
||||
!1 = !MDFile(filename: "t.c", directory: "/path/to/dir")
|
||||
!2 = !{}
|
||||
!3 = !{!4, !8}
|
||||
!4 = !MDSubprogram(name: "main", scope: !1, file: !1, line: 9, type: !5, isLocal: false, isDefinition: true, scopeLine: 9, flags: DIFlagPrototyped, isOptimized: true, function: i32 ()* @main, variables: !2)
|
||||
!5 = !MDSubroutineType(types: !6)
|
||||
!6 = !{!7}
|
||||
!7 = !MDBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
|
||||
!8 = !MDSubprogram(name: "f", scope: !1, file: !1, line: 3, type: !9, isLocal: true, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, variables: !11)
|
||||
!9 = !MDSubroutineType(types: !10)
|
||||
!10 = !{!7, !7}
|
||||
!11 = !{!12, !13}
|
||||
!12 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "a", arg: 1, scope: !8, file: !1, line: 3, type: !7)
|
||||
!13 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "l", scope: !8, file: !1, line: 4, type: !7)
|
||||
!14 = !{!15}
|
||||
!15 = !MDGlobalVariable(name: "g", scope: !0, file: !1, line: 1, type: !16, isLocal: false, isDefinition: true, variable: i32** @g)
|
||||
!16 = !MDDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, align: 64)
|
||||
!17 = !{i32 2, !"Dwarf Version", i32 2}
|
||||
!18 = !{i32 2, !"Debug Info Version", i32 3}
|
||||
!19 = !{i32 1, !"PIC Level", i32 2}
|
||||
!20 = !{!"clang version 3.7.0 (trunk 235110) (llvm/trunk 235108)"}
|
||||
!21 = !MDExpression()
|
||||
!22 = !MDLocation(line: 3, column: 49, scope: !8, inlinedAt: !23)
|
||||
!23 = distinct !MDLocation(line: 10, column: 3, scope: !4)
|
||||
!24 = !MDLocation(line: 3, column: 49, scope: !8, inlinedAt: !25)
|
||||
!25 = distinct !MDLocation(line: 11, column: 3, scope: !4)
|
||||
!26 = !MDLocation(line: 4, column: 7, scope: !8, inlinedAt: !25)
|
||||
!27 = !MDLocation(line: 5, column: 5, scope: !8, inlinedAt: !25)
|
||||
!28 = !{!29, !29, i64 0}
|
||||
!29 = !{!"any pointer", !30, i64 0}
|
||||
!30 = !{!"omnipotent char", !31, i64 0}
|
||||
!31 = !{!"Simple C/C++ TBAA"}
|
||||
!32 = !MDLocation(line: 11, column: 3, scope: !4)
|
||||
!33 = !MDLocation(line: 12, column: 3, scope: !4)
|
||||
Loading…
Reference in New Issue
Block a user