Drop llvm/clang patches which are no longer necessary.

1 files changed, 0 insertions, 31 deletions

diff --git a/contrib/llvm/patches/patch-04-add-llvm-gvn-option.diff b/contrib/llvm/patches/patch-04-add-llvm-gvn-option.diff
deleted file mode 100644
index 5f31623..0000000
--- a/contrib/llvm/patches/patch-04-add-llvm-gvn-option.diff
+++ /dev/null
@@ -1,31 +0,0 @@
-Add an llvm option to enable/disable running the global value numbering
-optimization pass.  Disabling this pass helps to minimize the size of
-boot2.
-
-Introduced here: http://svnweb.freebsd.org/changeset/base/274968
-
-Index: lib/Transforms/IPO/PassManagerBuilder.cpp
-===================================================================
---- lib/Transforms/IPO/PassManagerBuilder.cpp
-+++ lib/Transforms/IPO/PassManagerBuilder.cpp
-@@ -78,6 +78,10 @@ static cl::opt<bool>
- EnableMLSM("mlsm", cl::init(true), cl::Hidden,
-            cl::desc("Enable motion of merged load and store"));
- 
-+static cl::opt<bool> EnableGVN("enable-gvn",
-+  cl::init(true), cl::Hidden,
-+  cl::desc("Run the global value numbering pass"));
-+
- PassManagerBuilder::PassManagerBuilder() {
-     OptLevel = 2;
-     SizeLevel = 0;
-@@ -244,7 +248,8 @@ void PassManagerBuilder::populateModulePassManager
-   if (OptLevel > 1) {
-     if (EnableMLSM)
-       MPM.add(createMergedLoadStoreMotionPass()); // Merge ld/st in diamonds
--    MPM.add(createGVNPass(DisableGVNLoadPRE));  // Remove redundancies
-+    if (EnableGVN)
-+      MPM.add(createGVNPass(DisableGVNLoadPRE));  // Remove redundancies
-   }
-   MPM.add(createMemCpyOptPass());             // Remove memcpy / form memset
-   MPM.add(createSCCPPass());                  // Constant prop with SCCP