SplitDWARFInlining = false;
}
- if (const Arg *A = Args.getLastArg(options::OPT_g_Group)) {
- if (checkDebugInfoOption(A, Args, D, TC)) {
- // If the last option explicitly specified a debug-info level, use it.
- if (A->getOption().matches(options::OPT_gN_Group)) {
- DebugInfoKind = DebugLevelToInfoKind(*A);
- // If you say "-gsplit-dwarf -gline-tables-only", -gsplit-dwarf loses.
- // But -gsplit-dwarf is not a g_group option, hence we have to check the
- // order explicitly. If -gsplit-dwarf wins, we fix DebugInfoKind later.
- // This gets a bit more complicated if you've disabled inline info in
- // the skeleton CUs (SplitDWARFInlining) - then there's value in
- // composing split-dwarf and line-tables-only, so let those compose
- // naturally in that case. And if you just turned off debug info,
- // (-gsplit-dwarf -g0) - do that.
- if (DwarfFission != DwarfFissionKind::None) {
- if (A->getIndex() > SplitDWARFArg->getIndex()) {
- if (DebugInfoKind == codegenoptions::NoDebugInfo ||
- DebugInfoKind == codegenoptions::DebugDirectivesOnly ||
- (DebugInfoKind == codegenoptions::DebugLineTablesOnly &&
- SplitDWARFInlining))
- DwarfFission = DwarfFissionKind::None;
- } else if (SplitDWARFInlining)
- DebugInfoKind = codegenoptions::NoDebugInfo;
- }
- } else {
- // For any other 'g' option, use Limited.
- DebugInfoKind = codegenoptions::LimitedDebugInfo;
- }
- } else {
- DebugInfoKind = codegenoptions::LimitedDebugInfo;
+ if (const Arg *A =
+ Args.getLastArg(options::OPT_g_Group, options::OPT_gsplit_dwarf,
+ options::OPT_gsplit_dwarf_EQ)) {
+ DebugInfoKind = codegenoptions::LimitedDebugInfo;
+
+ // If the last option explicitly specified a debug-info level, use it.
+ if (checkDebugInfoOption(A, Args, D, TC) &&
+ A->getOption().matches(options::OPT_gN_Group)) {
+ DebugInfoKind = DebugLevelToInfoKind(*A);
+ // For -g0 or -gline-tables-only, drop -gsplit-dwarf. This gets a bit more
+ // complicated if you've disabled inline info in the skeleton CUs
+ // (SplitDWARFInlining) - then there's value in composing split-dwarf and
+ // line-tables-only, so let those compose naturally in that case.
+ if (DebugInfoKind == codegenoptions::NoDebugInfo ||
+ DebugInfoKind == codegenoptions::DebugDirectivesOnly ||
+ (DebugInfoKind == codegenoptions::DebugLineTablesOnly &&
+ SplitDWARFInlining))
+ DwarfFission = DwarfFissionKind::None;
}
}
}
}
- // -gsplit-dwarf should turn on -g and enable the backend dwarf
- // splitting and extraction.
+ // -gsplit-dwarf enables the backend dwarf splitting and extraction.
if (T.isOSBinFormatELF()) {
if (!SplitDWARFInlining)
CmdArgs.push_back("-fno-split-dwarf-inlining");
if (DwarfFission != DwarfFissionKind::None) {
- if (DebugInfoKind == codegenoptions::NoDebugInfo)
- DebugInfoKind = codegenoptions::LimitedDebugInfo;
-
if (DwarfFission == DwarfFissionKind::Single)
CmdArgs.push_back("-enable-split-dwarf=single");
else
// RUN: FileCheck -check-prefix=CHECK-SPLIT-WITH-GMLT < %t %s
//
// CHECK-SPLIT-WITH-GMLT: "-enable-split-dwarf"
-// CHECK-SPLIT-WITH-GMLT: "-debug-info-kind=line-tables-only"
+// CHECK-SPLIT-WITH-GMLT: "-debug-info-kind=limited"
// CHECK-SPLIT-WITH-GMLT: "-split-dwarf-file"
// RUN: %clang -target x86_64-unknown-linux-gnu -gsplit-dwarf -fno-split-dwarf-inlining -S -### %s 2> %t
// RUN: %clang -target x86_64-unknown-linux-gnu -gsplit-dwarf -g0 -S -### %s 2> %t
// RUN: FileCheck -check-prefix=CHECK-G0-OVER-SPLIT < %t %s
+// RUN: %clang -target x86_64-unknown-linux-gnu -gsplit-dwarf=split -g0 -S -### %s 2> %t
+// RUN: FileCheck -check-prefix=CHECK-G0-OVER-SPLIT < %t %s
//
// CHECK-G0-OVER-SPLIT-NOT: "-enable-split-dwarf"
// CHECK-G0-OVER-SPLIT-NOT: "-debug-info-kind
// RUN: %clang -target x86_64-unknown-linux-gnu -g0 -gsplit-dwarf -S -### %s 2> %t
// RUN: FileCheck -check-prefix=CHECK-SPLIT-OVER-G0 < %t %s
+// RUN: %clang -target x86_64-unknown-linux-gnu -g0 -gsplit-dwarf=split -S -### %s 2> %t
+// RUN: FileCheck -check-prefix=CHECK-SPLIT-OVER-G0 < %t %s
//
// CHECK-SPLIT-OVER-G0: "-enable-split-dwarf" "-debug-info-kind=limited"
// CHECK-SPLIT-OVER-G0: "-split-dwarf-file"