[MemorySSA] Reinstate the legacy printer and verifier.
Differential Revision: http://reviews.llvm.org/D22058
llvm-svn: 274679
diff --git a/llvm/lib/Transforms/Utils/MemorySSA.cpp b/llvm/lib/Transforms/Utils/MemorySSA.cpp
index d13cfe3..0aed133 100644
--- a/llvm/lib/Transforms/Utils/MemorySSA.cpp
+++ b/llvm/lib/Transforms/Utils/MemorySSA.cpp
@@ -54,6 +54,16 @@
INITIALIZE_PASS_END(MemorySSAWrapperPass, "memoryssa", "Memory SSA", false,
true)
+INITIALIZE_PASS_BEGIN(MemorySSAPrinterLegacyPass, "print-memoryssa",
+ "Memory SSA Printer", false, false)
+INITIALIZE_PASS_DEPENDENCY(MemorySSAWrapperPass)
+INITIALIZE_PASS_END(MemorySSAPrinterLegacyPass, "print-memoryssa",
+ "Memory SSA Printer", false, false)
+
+static cl::opt<bool>
+ VerifyMemorySSA("verify-memoryssa", cl::init(false), cl::Hidden,
+ cl::desc("Verify MemorySSA in legacy printer pass."));
+
namespace llvm {
/// \brief An assembly annotator class to print Memory SSA information in
/// comments.
@@ -894,6 +904,26 @@
dbgs() << "\n";
}
+char MemorySSAPrinterLegacyPass::ID = 0;
+
+MemorySSAPrinterLegacyPass::MemorySSAPrinterLegacyPass() : FunctionPass(ID) {
+ initializeMemorySSAPrinterLegacyPassPass(*PassRegistry::getPassRegistry());
+}
+
+void MemorySSAPrinterLegacyPass::getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.setPreservesAll();
+ AU.addRequired<MemorySSAWrapperPass>();
+ AU.addPreserved<MemorySSAWrapperPass>();
+}
+
+bool MemorySSAPrinterLegacyPass::runOnFunction(Function &F) {
+ auto &MSSA = getAnalysis<MemorySSAWrapperPass>().getMSSA();
+ MSSA.print(dbgs());
+ if (VerifyMemorySSA)
+ MSSA.verifyMemorySSA();
+ return false;
+}
+
char MemorySSAAnalysis::PassID;
MemorySSA MemorySSAAnalysis::run(Function &F, AnalysisManager<Function> &AM) {