From dd5d86d992eb129ecd0bb013d2db2d6a0e8d2605 Mon Sep 17 00:00:00 2001
From: Chandler Carruth <chandlerc@gmail.com>
Date: Wed, 2 Oct 2013 15:42:23 +0000
Subject: Remove the very substantial, largely unmaintained legacy PGO
 infrastructure.

This was essentially work toward PGO based on a design that had several
flaws, partially dating from a time when LLVM had a different
architecture, and with an effort to modernize it abandoned without being
completed. Since then, it has bitrotted for several years further. The
result is nearly unusable, and isn't helping any of the modern PGO
efforts. Instead, it is getting in the way, adding confusion about PGO
in LLVM and distracting everyone with maintenance on essentially dead
code. Removing it paves the way for modern efforts around PGO.

Among other effects, this removes the last of the runtime libraries from
LLVM. Those are being developed in the separate 'compiler-rt' project
now, with somewhat different licensing specifically more approriate for
runtimes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191835 91177308-0d34-0410-b5e6-96231b3b80d8
---
 Makefile | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index fee675d3f2..e3672b76b4 100644
--- a/Makefile
+++ b/Makefile
@@ -15,7 +15,7 @@ LEVEL := .
 #   3. Build IR, which builds the Intrinsics.inc file used by libs.
 #   4. Build libs, which are needed by llvm-config.
 #   5. Build llvm-config, which determines inter-lib dependencies for tools.
-#   6. Build tools, runtime, docs.
+#   6. Build tools and docs.
 #
 # When cross-compiling, there are some things (tablegen) that need to
 # be build for the build system first.
@@ -31,7 +31,7 @@ ifeq ($(BUILD_DIRS_ONLY),1)
   OPTIONAL_DIRS := tools/clang/utils/TableGen
 else
   DIRS := lib/Support lib/TableGen utils lib/IR lib tools/llvm-shlib \
-          tools/llvm-config tools runtime docs unittests
+          tools/llvm-config tools docs unittests
   OPTIONAL_DIRS := projects bindings
 endif
 
@@ -52,17 +52,17 @@ ifneq ($(ENABLE_DOCS),1)
 endif
 
 ifeq ($(MAKECMDGOALS),libs-only)
-  DIRS := $(filter-out tools runtime docs, $(DIRS))
+  DIRS := $(filter-out tools docs, $(DIRS))
   OPTIONAL_DIRS :=
 endif
 
 ifeq ($(MAKECMDGOALS),install-libs)
-  DIRS := $(filter-out tools runtime docs, $(DIRS))
+  DIRS := $(filter-out tools docs, $(DIRS))
   OPTIONAL_DIRS := $(filter bindings, $(OPTIONAL_DIRS))
 endif
 
 ifeq ($(MAKECMDGOALS),tools-only)
-  DIRS := $(filter-out runtime docs, $(DIRS))
+  DIRS := $(filter-out docs, $(DIRS))
   OPTIONAL_DIRS :=
 endif
 
@@ -72,7 +72,7 @@ ifeq ($(MAKECMDGOALS),install-clang)
           tools/clang/tools/c-index-test \
           tools/clang/include/clang-c \
           tools/clang/runtime tools/clang/docs \
-          tools/lto runtime
+          tools/lto
   OPTIONAL_DIRS :=
   NO_INSTALL = 1
 endif
@@ -84,7 +84,7 @@ ifeq ($(MAKECMDGOALS),clang-only)
 endif
 
 ifeq ($(MAKECMDGOALS),unittests)
-  DIRS := $(filter-out tools runtime docs, $(DIRS)) utils unittests
+  DIRS := $(filter-out tools docs, $(DIRS)) utils unittests
   OPTIONAL_DIRS :=
 endif
 
-- 
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