bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Replace LLVMConstInBoundsGEP with LLVMConstInBoundsGEP2*

Browse source 
A custom reimplementation of LLVMConstInBoundsGEP2 is used, since the
LLVM contains a declaration of LLVMConstInBoundsGEP2 but not the
implementation.
This commit is contained in:
Tomasz Miąsko 2021-07-31 00:00:00 +00:00
parent 77e5e17231
commit 8e0df32ad6
3 changed files with 16 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

6
compiler/rustc_codegen_llvm/src/common.rs
View file

@ -268,7 +268,8 @@ impl ConstMethods<'tcx> for CodegenCx<'ll, 'tcx> {
}
};
let llval = unsafe {
llvm::LLVMConstInBoundsGEP(
llvm::LLVMRustConstInBoundsGEP2(
self.type_i8(),
self.const_bitcast(base_addr, self.type_i8p_ext(base_addr_space)),
&self.const_usize(offset.bytes()),
1,
@ -303,7 +304,8 @@ impl ConstMethods<'tcx> for CodegenCx<'ll, 'tcx> {
let base_addr = self.static_addr_of(init, alloc.align, None);
let llval = unsafe {
llvm::LLVMConstInBoundsGEP(
llvm::LLVMRustConstInBoundsGEP2(
self.type_i8(),
self.const_bitcast(base_addr, self.type_i8p()),
&self.const_usize(offset.bytes()),
1,

3
compiler/rustc_codegen_llvm/src/llvm/ffi.rs
View file

@ -1011,7 +1011,8 @@ extern "C" {
pub fn LLVMConstVector(ScalarConstantVals: *const &Value, Size: c_uint) -> &Value;
// Constant expressions
pub fn LLVMConstInBoundsGEP(
pub fn LLVMRustConstInBoundsGEP2(
ty: &'a Type,
ConstantVal: &'a Value,
ConstantIndices: *const &'a Value,
NumIndices: c_uint,