diff options
Diffstat (limited to 'lib/VMCore')
| -rw-r--r-- | lib/VMCore/AutoUpgrade.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/VMCore/AutoUpgrade.cpp b/lib/VMCore/AutoUpgrade.cpp index 4f4daeba4d..f76d0d254d 100644 --- a/lib/VMCore/AutoUpgrade.cpp +++ b/lib/VMCore/AutoUpgrade.cpp @@ -78,6 +78,13 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) { NewFn = F; return true; } + } else if (Name.compare(5, 9, "arm.neon.", 9) == 0) { + if (Name.compare(14, 7, "vmovls.", 7) == 0 || + Name.compare(14, 7, "vmovlu.", 7) == 0) { + // Calls to these are transformed into IR without intrinsics. + NewFn = 0; + return true; + } } break; case 'b': @@ -320,6 +327,28 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) { assert(F && "CallInst has no function associated with it."); if (!NewFn) { + // Get the Function's name. + const std::string& Name = F->getName(); + + // Upgrade ARM NEON intrinsics. + if (Name.compare(5, 9, "arm.neon.", 9) == 0) { + Instruction *NewI; + if (Name.compare(14, 7, "vmovls.", 7) == 0) { + NewI = new SExtInst(CI->getArgOperand(0), CI->getType(), + "upgraded." + CI->getName(), CI); + } else if (Name.compare(14, 7, "vmovlu.", 7) == 0) { + NewI = new ZExtInst(CI->getArgOperand(0), CI->getType(), + "upgraded." + CI->getName(), CI); + } else { + llvm_unreachable("Unknown arm.neon function for CallInst upgrade."); + } + // Replace any uses of the old CallInst. + if (!CI->use_empty()) + CI->replaceAllUsesWith(NewI); + CI->eraseFromParent(); + return; + } + bool isLoadH = false, isLoadL = false, isMovL = false; bool isMovSD = false, isShufPD = false; bool isUnpckhPD = false, isUnpcklPD = false; |