diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/MemorySSA.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/MemorySSA.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/MemorySSA.cpp b/llvm/lib/Transforms/Utils/MemorySSA.cpp index d13cfe35470..0aed1334571 100644 --- a/llvm/lib/Transforms/Utils/MemorySSA.cpp +++ b/llvm/lib/Transforms/Utils/MemorySSA.cpp @@ -54,6 +54,16 @@ INITIALIZE_PASS_DEPENDENCY(AAResultsWrapperPass) 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 @@ void MemoryAccess::dump() const { 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) { |
