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Switch to the LLVMBuildGEPWithNoWrapFlags API

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This API allows us to set the nuw flag as well.
This commit is contained in:
Nikita Popov
2025-02-19 10:55:36 +01:00
parent 3b022d8cee
commit 5e9d8a7d55
3 changed files with 36 additions and 12 deletions
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8
compiler/rustc_codegen_llvm/src/builder.rs
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@@ -32,7 +32,7 @@ use crate::abi::FnAbiLlvmExt;
use crate::attributes;
use crate::common::Funclet;
use crate::context::{CodegenCx, SimpleCx};
use crate::llvm::{self, AtomicOrdering, AtomicRmwBinOp, BasicBlock, False, Metadata, True};
use crate::llvm::{self, AtomicOrdering, AtomicRmwBinOp, BasicBlock, False, GEPNoWrapFlags, Metadata, True};
use crate::type_::Type;
use crate::type_of::LayoutLlvmExt;
use crate::value::Value;
@@ -908,13 +908,14 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
fn gep(&mut self, ty: &'ll Type, ptr: &'ll Value, indices: &[&'ll Value]) -> &'ll Value {
unsafe {
llvm::LLVMBuildGEP2(
llvm::LLVMBuildGEPWithNoWrapFlags(
self.llbuilder,
ty,
ptr,
indices.as_ptr(),
indices.len() as c_uint,
UNNAMED,
GEPNoWrapFlags::default(),
)
}
}
@@ -926,13 +927,14 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
indices: &[&'ll Value],
) -> &'ll Value {
unsafe {
llvm::LLVMBuildInBoundsGEP2(
llvm::LLVMBuildGEPWithNoWrapFlags(
self.llbuilder,
ty,
ptr,
indices.as_ptr(),
indices.len() as c_uint,
UNNAMED,
GEPNoWrapFlags::InBounds,
)
}
}