Don't use deprecated llvm::Type::getVectorNumElements()

Use llvm::VectorType::getNumElements() instead by casting to the
expected subtype.

Bug: b/152339534
Change-Id: I29d2b8d60872f6f4eff4ae2bb38d1738515d11dc
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/44068
Presubmit-Ready: Nicolas Capens <nicolascapens@google.com>
Tested-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>

src/Reactor/LLVMReactor.cpp

diff --git a/src/Reactor/LLVMReactor.cpp b/src/Reactor/LLVMReactor.cpp
index 6e184b8..82e5cdc 100644
--- a/src/Reactor/LLVMReactor.cpp
+++ b/src/Reactor/LLVMReactor.cpp
@@ -420,7 +420,7 @@
 	ASSERT(offsets->getType()->isVectorTy());
 	ASSERT(mask->getType()->isVectorTy());
 
-	auto numEls = mask->getType()->getVectorNumElements();
+	auto numEls = llvm::cast<llvm::VectorType>(mask->getType())->getNumElements();
 	auto i1Ty = ::llvm::Type::getInt1Ty(jit->context);
 	auto i32Ty = ::llvm::Type::getInt32Ty(jit->context);
 	auto i8Ty = ::llvm::Type::getInt8Ty(jit->context);
@@ -445,13 +445,13 @@
 	ASSERT(offsets->getType()->isVectorTy());
 	ASSERT(mask->getType()->isVectorTy());
 
-	auto numEls = mask->getType()->getVectorNumElements();
+	auto numEls = llvm::cast<llvm::VectorType>(mask->getType())->getNumElements();
 	auto i1Ty = ::llvm::Type::getInt1Ty(jit->context);
 	auto i32Ty = ::llvm::Type::getInt32Ty(jit->context);
 	auto i8Ty = ::llvm::Type::getInt8Ty(jit->context);
 	auto i8PtrTy = i8Ty->getPointerTo();
 	auto elVecTy = val->getType();
-	auto elTy = elVecTy->getVectorElementType();
+	auto elTy = llvm::cast<llvm::VectorType>(elVecTy)->getElementType();
 	auto elPtrTy = elTy->getPointerTo();
 	auto elPtrVecTy = ::llvm::VectorType::get(elPtrTy, numEls);
 	auto i8Base = jit->builder->CreatePointerCast(base, i8PtrTy);
@@ -1133,7 +1133,7 @@
 	ASSERT(V(ptr)->getType()->isPointerTy());
 	ASSERT(V(mask)->getType()->isVectorTy());
 
-	auto numEls = V(mask)->getType()->getVectorNumElements();
+	auto numEls = llvm::cast<llvm::VectorType>(V(mask)->getType())->getNumElements();
 	auto i1Ty = ::llvm::Type::getInt1Ty(jit->context);
 	auto i32Ty = ::llvm::Type::getInt32Ty(jit->context);
 	auto elVecTy = ::llvm::VectorType::get(T(elTy), numEls);
@@ -1153,7 +1153,7 @@
 	ASSERT(V(val)->getType()->isVectorTy());
 	ASSERT(V(mask)->getType()->isVectorTy());
 
-	auto numEls = V(mask)->getType()->getVectorNumElements();
+	auto numEls = llvm::cast<llvm::VectorType>(V(mask)->getType())->getNumElements();
 	auto i1Ty = ::llvm::Type::getInt1Ty(jit->context);
 	auto i32Ty = ::llvm::Type::getInt32Ty(jit->context);
 	auto elVecTy = V(val)->getType();