Give gccld more guts
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9835 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/gccld/GenerateCode.cpp b/tools/gccld/GenerateCode.cpp
index 26b115f..bf32400 100644
--- a/tools/gccld/GenerateCode.cpp
+++ b/tools/gccld/GenerateCode.cpp
@@ -16,6 +16,7 @@
#include "gccld.h"
#include "llvm/Module.h"
#include "llvm/PassManager.h"
+#include "llvm/Analysis/LoadValueNumbering.h"
#include "llvm/Bytecode/WriteBytecodePass.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Transforms/IPO.h"
@@ -84,6 +85,13 @@
if (!DisableInline)
Passes.add(createFunctionInliningPass()); // Inline small functions
+ // Run a few AA driven optimizations here and now, to cleanup the code.
+ // Eventually we should put an IP AA in place here.
+
+ Passes.add(createLICMPass()); // Hoist loop invariants
+ Passes.add(createLoadValueNumberingPass()); // GVN for load instructions
+ Passes.add(createGCSEPass()); // Remove common subexprs
+
// The FuncResolve pass may leave cruft around if functions were prototyped
// differently than they were defined. Remove this cruft.
Passes.add(createInstructionCombiningPass());
diff --git a/tools/gccld/Makefile b/tools/gccld/Makefile
index 920fb4d..5060934 100644
--- a/tools/gccld/Makefile
+++ b/tools/gccld/Makefile
@@ -1,4 +1,4 @@
-##===- tools/gccld/Makefile ------------------------------*- Makefile -*-===##
+##===- tools/gccld/Makefile --------------------------------*- Makefile -*-===##
#
# The LLVM Compiler Infrastructure
#
@@ -6,10 +6,11 @@
# the University of Illinois Open Source License. See LICENSE.TXT for details.
#
##===----------------------------------------------------------------------===##
+
LEVEL = ../..
TOOLNAME = gccld
-USEDLIBS = ipo.a analysis.a transforms.a ipa.a scalaropts.a transformutils.a \
+USEDLIBS = ipo.a transforms.a scalaropts.a analysis.a ipa.a transformutils.a \
target.a bcreader bcwriter vmcore support.a
include $(LEVEL)/Makefile.common