EmitAsyncFramePushPopMetadata is currently only supported on MachO

aschwaighofer · aschwaighofer · commit 1c1d95a814f5 · 2024-11-08T09:21:56.000-08:00
The LLVM pass that emits the sections is hard code for MachOS sections
diff --git a/lib/IRGen/IRGenSIL.cpp b/lib/IRGen/IRGenSIL.cpp
@@ -2599,7 +2599,8 @@ void IRGenSILFunction::emitSILFunction() {
                              LinkEntity::forSILFunction(CurSILFn),
                              getAsyncContextLayout(*this).getSize());
 
-    if (IGM.getOptions().EmitAsyncFramePushPopMetadata) {
+    if (IGM.getOptions().EmitAsyncFramePushPopMetadata &&
+        IGM.TargetInfo.OutputObjectFormat  == llvm::Triple::MachO) {
       CurFn->addFnAttr("async_entry");
       CurFn->addFnAttr(llvm::Attribute::NoInline);
     }

Original file line number	Diff line number	Diff line change
`@@ -2599,7 +2599,8 @@ void IRGenSILFunction::emitSILFunction() {`
`2599`	`2599`	`LinkEntity::forSILFunction(CurSILFn),`
`2600`	`2600`	`getAsyncContextLayout(*this).getSize());`
`2601`	`2601`
`2602`		`- if (IGM.getOptions().EmitAsyncFramePushPopMetadata) {`
	`2602`	`+ if (IGM.getOptions().EmitAsyncFramePushPopMetadata &&`
	`2603`	`+ IGM.TargetInfo.OutputObjectFormat == llvm::Triple::MachO) {`
`2603`	`2604`	`CurFn->addFnAttr("async_entry");`
`2604`	`2605`	`CurFn->addFnAttr(llvm::Attribute::NoInline);`
`2605`	`2606`	`}`