Add a llvm.copysign intrinsic

[oota-llvm.git] / lib / CodeGen / MachineFunctionPass.cpp

diff --git a/lib/CodeGen/MachineFunctionPass.cpp b/lib/CodeGen/MachineFunctionPass.cpp
index d8a7c552802216f58378028659eda82170a69175..674cc80a006ca64b07ce612e3b0494fdd721c3f6 100644 (file)
--- a/lib/CodeGen/MachineFunctionPass.cpp
+++ b/lib/CodeGen/MachineFunctionPass.cpp
@@ -11,16 +11,18 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/IR/Function.h"
 #include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/Analysis/ScalarEvolution.h"
-#include "llvm/Analysis/IVUsers.h"
-#include "llvm/Analysis/LiveValues.h"
-#include "llvm/Analysis/LoopDependenceAnalysis.h"
-#include "llvm/Analysis/MemoryDependenceAnalysis.h"
 #include "llvm/CodeGen/MachineFunctionAnalysis.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
+#include "llvm/CodeGen/Passes.h"
 using namespace llvm;
 
+Pass *MachineFunctionPass::createPrinterPass(raw_ostream &O,
+                                             const std::string &Banner) const {
+  return createMachineFunctionPrinterPass(O, Banner);
+}
+
 bool MachineFunctionPass::runOnFunction(Function &F) {
   // Do not codegen any 'available_externally' functions at all, they have
   // definitions outside the translation unit.
@@ -33,18 +35,22 @@ bool MachineFunctionPass::runOnFunction(Function &F) {
 
 void MachineFunctionPass::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.addRequired<MachineFunctionAnalysis>();
+  AU.addPreserved<MachineFunctionAnalysis>();
 
   // MachineFunctionPass preserves all LLVM IR passes, but there's no
   // high-level way to express this. Instead, just list a bunch of
-  // passes explicitly.
+  // passes explicitly. This does not include setPreservesCFG,
+  // because CodeGen overloads that to mean preserving the MachineBasicBlock
+  // CFG in addition to the LLVM IR CFG.
   AU.addPreserved<AliasAnalysis>();
-  AU.addPreserved<ScalarEvolution>();
-  AU.addPreserved<IVUsers>();
-  AU.addPreserved<LoopDependenceAnalysis>();
-  AU.addPreserved<MemoryDependenceAnalysis>();
-  AU.addPreserved<LiveValues>();
-  AU.addPreserved<MachineFunctionAnalysis>();
-  AU.setPreservesCFG();
+  AU.addPreserved("scalar-evolution");
+  AU.addPreserved("iv-users");
+  AU.addPreserved("memdep");
+  AU.addPreserved("live-values");
+  AU.addPreserved("domtree");
+  AU.addPreserved("domfrontier");
+  AU.addPreserved("loops");
+  AU.addPreserved("lda");
 
   FunctionPass::getAnalysisUsage(AU);
 }