================
@@ -46,16 +46,23 @@ std::string BitcodeCompiler::getThinLTOOutputFile(StringRef
path) {
lto::Config BitcodeCompiler::createConfig() {
lto::Config c;
- c.Options = initTargetOptionsFromCodeGenFlags();
- c.Options.EmitAddrsig = true;
+ bool emitAsm = ctx.config.emit == EmitKind::ASM;
+ c.ModifyTargetOptions = [emitAsm](TargetOptions &options) {
+ options.EmitAddrsig = true;
+ // Always emit a section per function/datum with LTO. LLVM LTO should get
+ // most of the benefit of linker GC, but there are still opportunities for
+ // ICF.
+ options.FunctionSections = true;
+ options.DataSections = true;
+
+ if (emitAsm) {
----------------
nikic wrote:
braces
https://github.com/llvm/llvm-project/pull/179509
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