Reuse LLVMConstInBoundsGEP2

We have had LLVM 14 as our minimum for a bit now.

Author: workingjubilee

compiler/rustc_codegen_llvm/src/common.rs

@@ -290,7 +290,7 @@ impl<'ll, 'tcx> ConstMethods<'tcx> for CodegenCx<'ll, 'tcx> {
  }
  };
  let llval = unsafe {
- llvm::LLVMRustConstInBoundsGEP2(
+ llvm::LLVMConstInBoundsGEP2(
  self.type_i8(),
  self.const_bitcast(base_addr, self.type_i8p_ext(base_addr_space)),
  &self.const_usize(offset.bytes()),
@@ -320,7 +320,7 @@ impl<'ll, 'tcx> ConstMethods<'tcx> for CodegenCx<'ll, 'tcx> {
 
  fn const_ptr_byte_offset(&self, base_addr: Self::Value, offset: abi::Size) -> Self::Value {
  unsafe {
- llvm::LLVMRustConstInBoundsGEP2(
+ llvm::LLVMConstInBoundsGEP2(
  self.type_i8(),
  self.const_bitcast(base_addr, self.type_i8p()),
  &self.const_usize(offset.bytes()),

compiler/rustc_codegen_llvm/src/llvm/ffi.rs

@@ -1155,7 +1155,7 @@ extern "C" {
  pub fn LLVMConstVector(ScalarConstantVals: *const &Value, Size: c_uint) -> &Value;
 
  // Constant expressions
- pub fn LLVMRustConstInBoundsGEP2<'a>(
+ pub fn LLVMConstInBoundsGEP2<'a>(
  ty: &'a Type,
  ConstantVal: &'a Value,
  ConstantIndices: *const &'a Value,

compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp

@@ -1616,17 +1616,6 @@ extern "C" void LLVMRustSetLinkage(LLVMValueRef V,
  LLVMSetLinkage(V, fromRust(RustLinkage));
 }
 
-// FIXME: replace with LLVMConstInBoundsGEP2 when bumped minimal version to llvm-14
-extern "C" LLVMValueRef LLVMRustConstInBoundsGEP2(LLVMTypeRef Ty,
- LLVMValueRef ConstantVal,
- LLVMValueRef *ConstantIndices,
- unsigned NumIndices) {
- ArrayRef<Constant *> IdxList(unwrap<Constant>(ConstantIndices, NumIndices),
- NumIndices);
- Constant *Val = unwrap<Constant>(ConstantVal);
- return wrap(ConstantExpr::getInBoundsGetElementPtr(unwrap(Ty), Val, IdxList));
-}
-
 extern "C" bool LLVMRustConstIntGetZExtValue(LLVMValueRef CV, uint64_t *value) {
  auto C = unwrap<llvm::ConstantInt>(CV);
  if (C->getBitWidth() > 64)