Merge pull request #36312 from aschwaighofer/enable_update_extend_frame_pointer_entry_x86_64

aschwaighofer · web-flow · commit 07823ab4a9bd · 2021-03-10T05:08:55.000-08:00
IRGen: Enable update of extended frame pointer entry on x86_64
diff --git a/lib/IRGen/SwiftTargetInfo.cpp b/lib/IRGen/SwiftTargetInfo.cpp
@@ -94,6 +94,8 @@ static void configureX86_64(IRGenModule &IGM, const llvm::Triple &triple,
   // x86-64 only has 48 effective bits of address space and reserves the high
   // half for the kernel.
   target.SwiftRetainIgnoresNegativeValues = true;
+
+  target.UsableSwiftAsyncContextAddrIntrinsic = true;
 }
 
 /// Configures target-specific information for 32-bit x86 platforms.

Original file line number	Diff line number	Diff line change
`@@ -94,6 +94,8 @@ static void configureX86_64(IRGenModule &IGM, const llvm::Triple &triple,`
`94`	`94`	`// x86-64 only has 48 effective bits of address space and reserves the high`
`95`	`95`	`// half for the kernel.`
`96`	`96`	`target.SwiftRetainIgnoresNegativeValues = true;`
	`97`	`+`
	`98`	`+ target.UsableSwiftAsyncContextAddrIntrinsic = true;`
`97`	`99`	`}`
`98`	`100`
`99`	`101`	`/// Configures target-specific information for 32-bit x86 platforms.`