================
@@ -43,50 +43,72 @@ static std::string getThinLTOOutputFile(Ctx &ctx, StringRef
modulePath) {
ctx.arg.thinLTOPrefixReplaceNew);
}
+static std::shared_ptr<MemoryBuffer> getBBSectionsMemoryBuffer(Ctx &ctx) {
+ if (ctx.arg.ltoBasicBlockSections.empty() ||
+ ctx.arg.ltoBasicBlockSections == "all" ||
+ ctx.arg.ltoBasicBlockSections == "none")
+ return nullptr;
+
+ if (ctx.arg.ltoBasicBlockSections == "labels") {
+ Warn(ctx)
+ << "'--lto-basic-block-sections=labels' is deprecated; Please use "
+ "'--lto-basic-block-address-map' instead";
+ return nullptr;
+ }
+
+ ErrorOr<std::unique_ptr<MemoryBuffer>> mbOrErr =
+ MemoryBuffer::getFile(ctx.arg.ltoBasicBlockSections.str());
+ if (!mbOrErr) {
+ ErrAlways(ctx) << "cannot open " << ctx.arg.ltoBasicBlockSections << ":"
+ << mbOrErr.getError().message();
+ }
+ return std::move(*mbOrErr);
+}
+
static lto::Config createConfig(Ctx &ctx) {
lto::Config c;
----------------
MaskRay wrote:
delete the blank line between c and mbPtr
In lld/ELF, a blank line is added mainly when:
There's a logical break between the declaration block and subsequent code.
Multiple declarations form a cohesive group that sets up state before a
distinct block of logic begins.
Most cases don't apply.
https://github.com/llvm/llvm-project/pull/179509
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