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Pass PlaceRef rather than Bx::Value to codegen_intrinsic_call

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This commit is contained in:
bjorn3
2025-05-22 14:15:41 +00:00
parent c83358beb5
commit 6016f84e71
5 changed files with 38 additions and 45 deletions
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50
compiler/rustc_codegen_llvm/src/intrinsic.rs
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@@ -167,7 +167,7 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> {
instance: ty::Instance<'tcx>,
fn_abi: &FnAbi<'tcx, Ty<'tcx>>,
args: &[OperandRef<'tcx, &'ll Value>],
llresult: &'ll Value,
result: PlaceRef<'tcx, &'ll Value>,
span: Span,
) -> Result<(), ty::Instance<'tcx>> {
let tcx = self.tcx;
@@ -184,7 +184,6 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> {
let name = tcx.item_name(def_id);
let llret_ty = self.layout_of(ret_ty).llvm_type(self);
let result = PlaceRef::new_sized(llresult, fn_abi.ret.layout);
let simple = get_simple_intrinsic(self, name);
let llval = match name {
@@ -255,7 +254,7 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> {
args[0].immediate(),
args[1].immediate(),
args[2].immediate(),
llresult,
result,
);
return Ok(());
}
@@ -688,20 +687,19 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> {
}
}
fn catch_unwind_intrinsic<'ll>(
bx: &mut Builder<'_, 'll, '_>,
fn catch_unwind_intrinsic<'ll, 'tcx>(
bx: &mut Builder<'_, 'll, 'tcx>,
try_func: &'ll Value,
data: &'ll Value,
catch_func: &'ll Value,
dest: &'ll Value,
dest: PlaceRef<'tcx, &'ll Value>,
) {
if bx.sess().panic_strategy() == PanicStrategy::Abort {
let try_func_ty = bx.type_func(&[bx.type_ptr()], bx.type_void());
bx.call(try_func_ty, None, None, try_func, &[data], None, None);
// Return 0 unconditionally from the intrinsic call;
// we can never unwind.
let ret_align = bx.tcx().data_layout.i32_align.abi;
bx.store(bx.const_i32(0), dest, ret_align);
OperandValue::Immediate(bx.const_i32(0)).store(bx, dest);
} else if wants_msvc_seh(bx.sess()) {
codegen_msvc_try(bx, try_func, data, catch_func, dest);
} else if wants_wasm_eh(bx.sess()) {
@@ -720,12 +718,12 @@ fn catch_unwind_intrinsic<'ll>(
// instructions are meant to work for all targets, as of the time of this
// writing, however, LLVM does not recommend the usage of these new instructions
// as the old ones are still more optimized.
fn codegen_msvc_try<'ll>(
bx: &mut Builder<'_, 'll, '_>,
fn codegen_msvc_try<'ll, 'tcx>(
bx: &mut Builder<'_, 'll, 'tcx>,
try_func: &'ll Value,
data: &'ll Value,
catch_func: &'ll Value,
dest: &'ll Value,
dest: PlaceRef<'tcx, &'ll Value>,
) {
let (llty, llfn) = get_rust_try_fn(bx, &mut |mut bx| {
bx.set_personality_fn(bx.eh_personality());
@@ -865,17 +863,16 @@ fn codegen_msvc_try<'ll>(
// Note that no invoke is used here because by definition this function
// can't panic (that's what it's catching).
let ret = bx.call(llty, None, None, llfn, &[try_func, data, catch_func], None, None);
let i32_align = bx.tcx().data_layout.i32_align.abi;
bx.store(ret, dest, i32_align);
OperandValue::Immediate(ret).store(bx, dest);
}
// WASM's definition of the `rust_try` function.
fn codegen_wasm_try<'ll>(
bx: &mut Builder<'_, 'll, '_>,
fn codegen_wasm_try<'ll, 'tcx>(
bx: &mut Builder<'_, 'll, 'tcx>,
try_func: &'ll Value,
data: &'ll Value,
catch_func: &'ll Value,
dest: &'ll Value,
dest: PlaceRef<'tcx, &'ll Value>,
) {
let (llty, llfn) = get_rust_try_fn(bx, &mut |mut bx| {
bx.set_personality_fn(bx.eh_personality());
@@ -939,8 +936,7 @@ fn codegen_wasm_try<'ll>(
// Note that no invoke is used here because by definition this function
// can't panic (that's what it's catching).
let ret = bx.call(llty, None, None, llfn, &[try_func, data, catch_func], None, None);
let i32_align = bx.tcx().data_layout.i32_align.abi;
bx.store(ret, dest, i32_align);
OperandValue::Immediate(ret).store(bx, dest);
}
// Definition of the standard `try` function for Rust using the GNU-like model
@@ -954,12 +950,12 @@ fn codegen_wasm_try<'ll>(
// function calling it, and that function may already have other personality
// functions in play. By calling a shim we're guaranteed that our shim will have
// the right personality function.
fn codegen_gnu_try<'ll>(
bx: &mut Builder<'_, 'll, '_>,
fn codegen_gnu_try<'ll, 'tcx>(
bx: &mut Builder<'_, 'll, 'tcx>,
try_func: &'ll Value,
data: &'ll Value,
catch_func: &'ll Value,
dest: &'ll Value,
dest: PlaceRef<'tcx, &'ll Value>,
) {
let (llty, llfn) = get_rust_try_fn(bx, &mut |mut bx| {
// Codegens the shims described above:
@@ -1006,19 +1002,18 @@ fn codegen_gnu_try<'ll>(
// Note that no invoke is used here because by definition this function
// can't panic (that's what it's catching).
let ret = bx.call(llty, None, None, llfn, &[try_func, data, catch_func], None, None);
let i32_align = bx.tcx().data_layout.i32_align.abi;
bx.store(ret, dest, i32_align);
OperandValue::Immediate(ret).store(bx, dest);
}
// Variant of codegen_gnu_try used for emscripten where Rust panics are
// implemented using C++ exceptions. Here we use exceptions of a specific type
// (`struct rust_panic`) to represent Rust panics.
fn codegen_emcc_try<'ll>(
bx: &mut Builder<'_, 'll, '_>,
fn codegen_emcc_try<'ll, 'tcx>(
bx: &mut Builder<'_, 'll, 'tcx>,
try_func: &'ll Value,
data: &'ll Value,
catch_func: &'ll Value,
dest: &'ll Value,
dest: PlaceRef<'tcx, &'ll Value>,
) {
let (llty, llfn) = get_rust_try_fn(bx, &mut |mut bx| {
// Codegens the shims described above:
@@ -1089,8 +1084,7 @@ fn codegen_emcc_try<'ll>(
// Note that no invoke is used here because by definition this function
// can't panic (that's what it's catching).
let ret = bx.call(llty, None, None, llfn, &[try_func, data, catch_func], None, None);
let i32_align = bx.tcx().data_layout.i32_align.abi;
bx.store(ret, dest, i32_align);
OperandValue::Immediate(ret).store(bx, dest);
}
// Helper function to give a Block to a closure to codegen a shim function.