diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/back/write.rs | 8 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/debuginfo/mod.rs | 8 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/intrinsic.rs | 84 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/llvm/ffi.rs | 2 |
4 files changed, 45 insertions, 57 deletions
diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs index a5c27d2282e..b1b692cc027 100644 --- a/compiler/rustc_codegen_llvm/src/back/write.rs +++ b/compiler/rustc_codegen_llvm/src/back/write.rs @@ -185,7 +185,13 @@ pub(crate) fn target_machine_factory( let reloc_model = to_llvm_relocation_model(sess.relocation_model()); let (opt_level, _) = to_llvm_opt_settings(optlvl); - let use_softfp = sess.opts.cg.soft_float; + let use_softfp = if sess.target.arch == "arm" && sess.target.abi == "eabihf" { + sess.opts.cg.soft_float + } else { + // `validate_commandline_args_with_session_available` has already warned about this being ignored. + // Let's make sure LLVM doesn't suddenly start using this flag on more targets. + false + }; let ffunction_sections = sess.opts.unstable_opts.function_sections.unwrap_or(sess.target.function_sections); diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs index f5d6fc6f080..842212ac05d 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs @@ -1,8 +1,8 @@ #![doc = include_str!("doc.md")] use std::cell::{OnceCell, RefCell}; -use std::iter; use std::ops::Range; +use std::{iter, ptr}; use libc::c_uint; use rustc_codegen_ssa::debuginfo::type_names; @@ -209,6 +209,12 @@ impl<'ll> DebugInfoBuilderMethods for Builder<'_, 'll, '_> { } } + fn clear_dbg_loc(&mut self) { + unsafe { + llvm::LLVMSetCurrentDebugLocation2(self.llbuilder, ptr::null()); + } + } + fn insert_reference_to_gdb_debug_scripts_section_global(&mut self) { gdb::insert_reference_to_gdb_debug_scripts_section_global(self) } diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index 05fb77a193a..15c519dfcb4 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -573,6 +573,8 @@ impl<'ll, 'tcx> IntrinsicCallMethods<'tcx> for Builder<'_, 'll, 'tcx> { span, ) { Ok(llval) => llval, + // If there was an error, just skip this invocation... we'll abort compilation anyway, + // but we can keep codegen'ing to find more errors. Err(()) => return Ok(()), } } @@ -1290,24 +1292,14 @@ fn generic_simd_intrinsic<'ll, 'tcx>( } if name == sym::simd_shuffle { - // Make sure this is actually an array or SIMD vector, since typeck only checks the length-suffixed - // version of this intrinsic. + // Make sure this is actually a SIMD vector. let idx_ty = args[2].layout.ty; - let n: u64 = match idx_ty.kind() { - ty::Array(ty, len) if matches!(ty.kind(), ty::Uint(ty::UintTy::U32)) => { - len.try_eval_target_usize(bx.cx.tcx, ty::ParamEnv::reveal_all()).unwrap_or_else( - || span_bug!(span, "could not evaluate shuffle index array length"), - ) - } - _ if idx_ty.is_simd() - && matches!( - idx_ty.simd_size_and_type(bx.cx.tcx).1.kind(), - ty::Uint(ty::UintTy::U32) - ) => - { - idx_ty.simd_size_and_type(bx.cx.tcx).0 - } - _ => return_error!(InvalidMonomorphization::SimdShuffle { span, name, ty: idx_ty }), + let n: u64 = if idx_ty.is_simd() + && matches!(idx_ty.simd_size_and_type(bx.cx.tcx).1.kind(), ty::Uint(ty::UintTy::U32)) + { + idx_ty.simd_size_and_type(bx.cx.tcx).0 + } else { + return_error!(InvalidMonomorphization::SimdShuffle { span, name, ty: idx_ty }) }; let (out_len, out_ty) = require_simd!(ret_ty, SimdReturn); @@ -1322,38 +1314,24 @@ fn generic_simd_intrinsic<'ll, 'tcx>( let total_len = u128::from(in_len) * 2; - let vector = args[2].immediate(); - - let indices: Option<Vec<_>> = (0..n) - .map(|i| { - let arg_idx = i; - let val = bx.const_get_elt(vector, i as u64); - match bx.const_to_opt_u128(val, true) { - None => { - bug!("typeck should have already ensured that these are const") - } - Some(idx) if idx >= total_len => { - bx.sess().dcx().emit_err(InvalidMonomorphization::SimdIndexOutOfBounds { - span, - name, - arg_idx, - total_len, - }); - None - } - Some(idx) => Some(bx.const_i32(idx as i32)), - } - }) - .collect(); - let Some(indices) = indices else { - return Ok(bx.const_null(llret_ty)); - }; + // Check that the indices are in-bounds. + let indices = args[2].immediate(); + for i in 0..n { + let val = bx.const_get_elt(indices, i as u64); + let idx = bx + .const_to_opt_u128(val, true) + .unwrap_or_else(|| bug!("typeck should have already ensured that these are const")); + if idx >= total_len { + return_error!(InvalidMonomorphization::SimdIndexOutOfBounds { + span, + name, + arg_idx: i, + total_len, + }); + } + } - return Ok(bx.shuffle_vector( - args[0].immediate(), - args[1].immediate(), - bx.const_vector(&indices), - )); + return Ok(bx.shuffle_vector(args[0].immediate(), args[1].immediate(), indices)); } if name == sym::simd_insert { @@ -1371,13 +1349,12 @@ fn generic_simd_intrinsic<'ll, 'tcx>( .const_to_opt_u128(args[1].immediate(), false) .expect("typeck should have ensure that this is a const"); if idx >= in_len.into() { - bx.sess().dcx().emit_err(InvalidMonomorphization::SimdIndexOutOfBounds { + return_error!(InvalidMonomorphization::SimdIndexOutOfBounds { span, name, arg_idx: 1, total_len: in_len.into(), }); - return Ok(bx.const_null(llret_ty)); } return Ok(bx.insert_element( args[0].immediate(), @@ -1394,13 +1371,12 @@ fn generic_simd_intrinsic<'ll, 'tcx>( .const_to_opt_u128(args[1].immediate(), false) .expect("typeck should have ensure that this is a const"); if idx >= in_len.into() { - bx.sess().dcx().emit_err(InvalidMonomorphization::SimdIndexOutOfBounds { + return_error!(InvalidMonomorphization::SimdIndexOutOfBounds { span, name, arg_idx: 1, total_len: in_len.into(), }); - return Ok(bx.const_null(llret_ty)); } return Ok(bx.extract_element(args[0].immediate(), bx.const_i32(idx as i32))); } @@ -2090,14 +2066,14 @@ fn generic_simd_intrinsic<'ll, 'tcx>( }; } - arith_red!(simd_reduce_add_ordered: vector_reduce_add, vector_reduce_fadd, true, add, 0.0); + arith_red!(simd_reduce_add_ordered: vector_reduce_add, vector_reduce_fadd, true, add, -0.0); arith_red!(simd_reduce_mul_ordered: vector_reduce_mul, vector_reduce_fmul, true, mul, 1.0); arith_red!( simd_reduce_add_unordered: vector_reduce_add, vector_reduce_fadd_reassoc, false, add, - 0.0 + -0.0 ); arith_red!( simd_reduce_mul_unordered: vector_reduce_mul, diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs index 3bf4d496408..e84ab0aa538 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs @@ -1041,7 +1041,7 @@ unsafe extern "C" { pub fn LLVMDisposeBuilder<'a>(Builder: &'a mut Builder<'a>); // Metadata - pub fn LLVMSetCurrentDebugLocation2<'a>(Builder: &Builder<'a>, Loc: &'a Metadata); + pub fn LLVMSetCurrentDebugLocation2<'a>(Builder: &Builder<'a>, Loc: *const Metadata); // Terminators pub fn LLVMBuildRetVoid<'a>(B: &Builder<'a>) -> &'a Value; |
