diff options
Diffstat (limited to 'llvm/lib/VMCore/AutoUpgrade.cpp')
| -rw-r--r-- | llvm/lib/VMCore/AutoUpgrade.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/llvm/lib/VMCore/AutoUpgrade.cpp b/llvm/lib/VMCore/AutoUpgrade.cpp index 1defd20728f..8febce18c03 100644 --- a/llvm/lib/VMCore/AutoUpgrade.cpp +++ b/llvm/lib/VMCore/AutoUpgrade.cpp @@ -52,6 +52,22 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) { switch (Name[0]) { default: break; + case 'a': { + if (Name.startswith("arm.neon.vclz")) { + Type* args[2] = { + F->arg_begin()->getType(), + Type::getInt1Ty(F->getContext()) + }; + // Can't use Intrinsic::getDeclaration here as it adds a ".i1" to + // the end of the name. Change name from llvm.arm.neon.vclz.* to + // llvm.ctlz.* + FunctionType* fType = FunctionType::get(F->getReturnType(), args, false); + NewFn = Function::Create(fType, F->getLinkage(), + "llvm.ctlz." + Name.substr(14), F->getParent()); + return true; + } + break; + } case 'c': { if (Name.startswith("ctlz.") && F->arg_size() == 1) { F->setName(Name + ".old"); @@ -295,6 +311,15 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) { CI->eraseFromParent(); return; + case Intrinsic::arm_neon_vclz: { + // Change name from llvm.arm.neon.vclz.* to llvm.ctlz.* + CI->replaceAllUsesWith(Builder.CreateCall2(NewFn, CI->getArgOperand(0), + Builder.getFalse(), + "llvm.ctlz." + Name.substr(14))); + CI->eraseFromParent(); + return; + } + case Intrinsic::x86_xop_vfrcz_ss: case Intrinsic::x86_xop_vfrcz_sd: CI->replaceAllUsesWith(Builder.CreateCall(NewFn, CI->getArgOperand(1), |
