[lld] 6b30240 - Reland "[lld-link] Enable addrsig table in COFF lto"

[Zequan Wu via llvm-commits]

Author: Zequan Wu
Date: 2021-04-29T15:54:12-07:00
New Revision: 6b30240288fc6c0871ea92fcf77c944b0bdd43ad

URL: https://github.com/llvm/llvm-project/commit/6b30240288fc6c0871ea92fcf77c944b0bdd43ad
DIFF: https://github.com/llvm/llvm-project/commit/6b30240288fc6c0871ea92fcf77c944b0bdd43ad.diff

LOG: Reland "[lld-link] Enable addrsig table in COFF lto"

This reverts commit a78fa73bcf986cf5912d665ecd9620535f480607.

The commit cab48e2f0e00648ef0494ce114f4e00a3ded330f fixes the issue on eabd55b1b2c5e322c3b36cb44348f178692890c8.

Added: 
    

Modified: 
    lld/COFF/LTO.cpp

Removed: 
    


################################################################################
diff  --git a/lld/COFF/LTO.cpp b/lld/COFF/LTO.cpp
index a47f66ec7cf0..d117abf86f79 100644
--- a/lld/COFF/LTO.cpp
+++ b/lld/COFF/LTO.cpp
@@ -62,6 +62,7 @@ static std::string getThinLTOOutputFile(StringRef path) {
 static lto::Config createConfig() {
   lto::Config c;
   c.Options = initTargetOptionsFromCodeGenFlags();
+  c.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.