rust-lang/rust
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

wrap LLVMSetMetadata

Browse Source
This commit is contained in:
Luv-Ray
2024-09-19 18:45:23 +08:00
parent b7c5656713
commit 632342a135
2 changed files with 22 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
compiler/rustc_codegen_llvm/src/builder.rs
View File

@@ -678,22 +678,20 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
unsafe {
let llty = self.cx.val_ty(load);
let v = [
let md = [
llvm::LLVMValueAsMetadata(self.cx.const_uint_big(llty, range.start)),
llvm::LLVMValueAsMetadata(self.cx.const_uint_big(llty, range.end.wrapping_add(1))),
];
let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, v.as_ptr(), v.len());
let md = llvm::LLVMMetadataAsValue(&self.llcx, md);
llvm::LLVMSetMetadata(load, llvm::MD_range as c_uint, md);
let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, md.as_ptr(), md.len());
self.set_metadata(load, llvm::MD_range as c_uint, md);
}
}
fn nonnull_metadata(&mut self, load: &'ll Value) {
unsafe {
let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0);
let md = llvm::LLVMMetadataAsValue(&self.llcx, md);
llvm::LLVMSetMetadata(load, llvm::MD_nonnull as c_uint, md);
self.set_metadata(load, llvm::MD_nonnull as c_uint, md);
}
}
@@ -742,9 +740,8 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
//
// [1]: https://llvm.org/docs/LangRef.html#store-instruction
let one = llvm::LLVMValueAsMetadata(self.cx.const_i32(1));
let node = llvm::LLVMMDNodeInContext2(self.cx.llcx, &one, 1);
let node = llvm::LLVMMetadataAsValue(&self.llcx, node);
llvm::LLVMSetMetadata(store, llvm::MD_nontemporal as c_uint, node);
let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, &one, 1);
self.set_metadata(store, llvm::MD_nontemporal as c_uint, md);
}
}
store
@@ -1209,8 +1206,7 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
fn set_invariant_load(&mut self, load: &'ll Value) {
unsafe {
let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0);
let md = llvm::LLVMMetadataAsValue(&self.llcx, md);
llvm::LLVMSetMetadata(load, llvm::MD_invariant_load as c_uint, md);
self.set_metadata(load, llvm::MD_invariant_load as c_uint, md);
}
}
@@ -1339,26 +1335,23 @@ impl<'a, 'll, 'tcx> Builder<'a, 'll, 'tcx> {
fn align_metadata(&mut self, load: &'ll Value, align: Align) {
unsafe {
let v = [llvm::LLVMValueAsMetadata(self.cx.const_u64(align.bytes()))];
let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, v.as_ptr(), v.len());
let md = llvm::LLVMMetadataAsValue(&self.llcx, md);
llvm::LLVMSetMetadata(load, llvm::MD_align as c_uint, md);
let md = [llvm::LLVMValueAsMetadata(self.cx.const_u64(align.bytes()))];
let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, md.as_ptr(), md.len());
self.set_metadata(load, llvm::MD_align as c_uint, md);
}
}
fn noundef_metadata(&mut self, load: &'ll Value) {
unsafe {
let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0);
let md = llvm::LLVMMetadataAsValue(&self.llcx, md);
llvm::LLVMSetMetadata(load, llvm::MD_noundef as c_uint, md);
self.set_metadata(load, llvm::MD_noundef as c_uint, md);
}
}
pub(crate) fn set_unpredictable(&mut self, inst: &'ll Value) {
unsafe {
let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0);
let md = llvm::LLVMMetadataAsValue(&self.llcx, md);
llvm::LLVMSetMetadata(inst, llvm::MD_unpredictable as c_uint, md);
self.set_metadata(inst, llvm::MD_unpredictable as c_uint, md);
}
}