[libc-commits] [PATCH] D153232: [libc] Disable atomic optimizations for `libc` AMDGPU builds

Joseph Huber via Phabricator via libc-commits libc-commits at lists.llvm.org
Mon Jun 19 01:26:07 PDT 2023


This revision was automatically updated to reflect the committed changes.
Closed by commit rG5a8fc419379f: [libc] Disable atomic optimizations for `libc` AMDGPU builds (authored by jhuber6).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D153232/new/

https://reviews.llvm.org/D153232

Files:
  libc/startup/gpu/amdgpu/CMakeLists.txt


Index: libc/startup/gpu/amdgpu/CMakeLists.txt
===================================================================
--- libc/startup/gpu/amdgpu/CMakeLists.txt
+++ libc/startup/gpu/amdgpu/CMakeLists.txt
@@ -26,4 +26,7 @@
   "--target=${LIBC_GPU_TARGET_TRIPLE}"
   "-flto"
   "-Wl,-mllvm,-amdgpu-lower-global-ctor-dtor=0"
+  # FIXME: This pass causes builds to take ~10x longer. Disable until the
+  # performance problems have been addressed.
+  "-Wl,-mllvm,-amdgpu-atomic-optimizations=0"
 )


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D153232.532561.patch
Type: text/x-patch
Size: 490 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/libc-commits/attachments/20230619/97ae111d/attachment.bin>


More information about the libc-commits mailing list