1 // Copyright 2013 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 #![allow(dead_code)] // FFI wrappers
14 use llvm::{CallConv, AtomicBinOp, AtomicOrdering, AsmDialect, AttrBuilder};
15 use llvm::{Opcode, IntPredicate, RealPredicate, False};
16 use llvm::{ValueRef, BasicBlockRef, BuilderRef, ModuleRef};
19 use trans::machine::llalign_of_pref;
20 use trans::type_::Type;
21 use util::nodemap::FnvHashMap;
22 use libc::{c_uint, c_char};
24 use std::ffi::CString;
25 use syntax::codemap::Span;
27 pub struct Builder<'a, 'tcx: 'a> {
28 pub llbuilder: BuilderRef,
29 pub ccx: &'a CrateContext<'a, 'tcx>,
32 // This is a really awful way to get a zero-length c-string, but better (and a
33 // lot more efficient) than doing str::as_c_str("", ...) every time.
34 pub fn noname() -> *const c_char {
35 static CNULL: c_char = 0;
36 &CNULL as *const c_char
39 impl<'a, 'tcx> Builder<'a, 'tcx> {
40 pub fn new(ccx: &'a CrateContext<'a, 'tcx>) -> Builder<'a, 'tcx> {
42 llbuilder: ccx.raw_builder(),
47 pub fn count_insn(&self, category: &str) {
48 if self.ccx.sess().trans_stats() {
49 self.ccx.stats().n_llvm_insns.set(self.ccx
54 self.ccx.count_llvm_insn();
55 if self.ccx.sess().count_llvm_insns() {
56 base::with_insn_ctxt(|v| {
57 let mut h = self.ccx.stats().llvm_insns.borrow_mut();
59 // Build version of path with cycles removed.
61 // Pass 1: scan table mapping str -> rightmost pos.
62 let mut mm = FnvHashMap::new();
70 // Pass 2: concat strings for each elt, skipping
71 // forwards over any cycles by advancing to rightmost
72 // occurrence of each element in path.
73 let mut s = String::from_str(".");
85 let n = match h.get(&s) {
94 pub fn position_before(&self, insn: ValueRef) {
96 llvm::LLVMPositionBuilderBefore(self.llbuilder, insn);
100 pub fn position_at_end(&self, llbb: BasicBlockRef) {
102 llvm::LLVMPositionBuilderAtEnd(self.llbuilder, llbb);
106 pub fn ret_void(&self) {
107 self.count_insn("retvoid");
109 llvm::LLVMBuildRetVoid(self.llbuilder);
113 pub fn ret(&self, v: ValueRef) {
114 self.count_insn("ret");
116 llvm::LLVMBuildRet(self.llbuilder, v);
120 pub fn aggregate_ret(&self, ret_vals: &[ValueRef]) {
122 llvm::LLVMBuildAggregateRet(self.llbuilder,
124 ret_vals.len() as c_uint);
128 pub fn br(&self, dest: BasicBlockRef) {
129 self.count_insn("br");
131 llvm::LLVMBuildBr(self.llbuilder, dest);
135 pub fn cond_br(&self, cond: ValueRef, then_llbb: BasicBlockRef, else_llbb: BasicBlockRef) {
136 self.count_insn("condbr");
138 llvm::LLVMBuildCondBr(self.llbuilder, cond, then_llbb, else_llbb);
142 pub fn switch(&self, v: ValueRef, else_llbb: BasicBlockRef, num_cases: uint) -> ValueRef {
144 llvm::LLVMBuildSwitch(self.llbuilder, v, else_llbb, num_cases as c_uint)
148 pub fn indirect_br(&self, addr: ValueRef, num_dests: uint) {
149 self.count_insn("indirectbr");
151 llvm::LLVMBuildIndirectBr(self.llbuilder, addr, num_dests as c_uint);
159 catch: BasicBlockRef,
160 attributes: Option<AttrBuilder>)
162 self.count_insn("invoke");
164 debug!("Invoke {} with args ({})",
165 self.ccx.tn().val_to_string(llfn),
167 .map(|&v| self.ccx.tn().val_to_string(v))
168 .collect::<Vec<String>>()
172 let v = llvm::LLVMBuildInvoke(self.llbuilder,
175 args.len() as c_uint,
180 Some(a) => a.apply_callsite(v),
187 pub fn unreachable(&self) {
188 self.count_insn("unreachable");
190 llvm::LLVMBuildUnreachable(self.llbuilder);
195 pub fn add(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
196 self.count_insn("add");
198 llvm::LLVMBuildAdd(self.llbuilder, lhs, rhs, noname())
202 pub fn nswadd(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
203 self.count_insn("nswadd");
205 llvm::LLVMBuildNSWAdd(self.llbuilder, lhs, rhs, noname())
209 pub fn nuwadd(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
210 self.count_insn("nuwadd");
212 llvm::LLVMBuildNUWAdd(self.llbuilder, lhs, rhs, noname())
216 pub fn fadd(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
217 self.count_insn("fadd");
219 llvm::LLVMBuildFAdd(self.llbuilder, lhs, rhs, noname())
223 pub fn sub(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
224 self.count_insn("sub");
226 llvm::LLVMBuildSub(self.llbuilder, lhs, rhs, noname())
230 pub fn nswsub(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
231 self.count_insn("nwsub");
233 llvm::LLVMBuildNSWSub(self.llbuilder, lhs, rhs, noname())
237 pub fn nuwsub(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
238 self.count_insn("nuwsub");
240 llvm::LLVMBuildNUWSub(self.llbuilder, lhs, rhs, noname())
244 pub fn fsub(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
245 self.count_insn("sub");
247 llvm::LLVMBuildFSub(self.llbuilder, lhs, rhs, noname())
251 pub fn mul(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
252 self.count_insn("mul");
254 llvm::LLVMBuildMul(self.llbuilder, lhs, rhs, noname())
258 pub fn nswmul(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
259 self.count_insn("nswmul");
261 llvm::LLVMBuildNSWMul(self.llbuilder, lhs, rhs, noname())
265 pub fn nuwmul(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
266 self.count_insn("nuwmul");
268 llvm::LLVMBuildNUWMul(self.llbuilder, lhs, rhs, noname())
272 pub fn fmul(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
273 self.count_insn("fmul");
275 llvm::LLVMBuildFMul(self.llbuilder, lhs, rhs, noname())
279 pub fn udiv(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
280 self.count_insn("udiv");
282 llvm::LLVMBuildUDiv(self.llbuilder, lhs, rhs, noname())
286 pub fn sdiv(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
287 self.count_insn("sdiv");
289 llvm::LLVMBuildSDiv(self.llbuilder, lhs, rhs, noname())
293 pub fn exactsdiv(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
294 self.count_insn("exactsdiv");
296 llvm::LLVMBuildExactSDiv(self.llbuilder, lhs, rhs, noname())
300 pub fn fdiv(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
301 self.count_insn("fdiv");
303 llvm::LLVMBuildFDiv(self.llbuilder, lhs, rhs, noname())
307 pub fn urem(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
308 self.count_insn("urem");
310 llvm::LLVMBuildURem(self.llbuilder, lhs, rhs, noname())
314 pub fn srem(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
315 self.count_insn("srem");
317 llvm::LLVMBuildSRem(self.llbuilder, lhs, rhs, noname())
321 pub fn frem(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
322 self.count_insn("frem");
324 llvm::LLVMBuildFRem(self.llbuilder, lhs, rhs, noname())
328 pub fn shl(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
329 self.count_insn("shl");
331 llvm::LLVMBuildShl(self.llbuilder, lhs, rhs, noname())
335 pub fn lshr(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
336 self.count_insn("lshr");
338 llvm::LLVMBuildLShr(self.llbuilder, lhs, rhs, noname())
342 pub fn ashr(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
343 self.count_insn("ashr");
345 llvm::LLVMBuildAShr(self.llbuilder, lhs, rhs, noname())
349 pub fn and(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
350 self.count_insn("and");
352 llvm::LLVMBuildAnd(self.llbuilder, lhs, rhs, noname())
356 pub fn or(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
357 self.count_insn("or");
359 llvm::LLVMBuildOr(self.llbuilder, lhs, rhs, noname())
363 pub fn xor(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
364 self.count_insn("xor");
366 llvm::LLVMBuildXor(self.llbuilder, lhs, rhs, noname())
370 pub fn binop(&self, op: Opcode, lhs: ValueRef, rhs: ValueRef)
372 self.count_insn("binop");
374 llvm::LLVMBuildBinOp(self.llbuilder, op, lhs, rhs, noname())
378 pub fn neg(&self, v: ValueRef) -> ValueRef {
379 self.count_insn("neg");
381 llvm::LLVMBuildNeg(self.llbuilder, v, noname())
385 pub fn nswneg(&self, v: ValueRef) -> ValueRef {
386 self.count_insn("nswneg");
388 llvm::LLVMBuildNSWNeg(self.llbuilder, v, noname())
392 pub fn nuwneg(&self, v: ValueRef) -> ValueRef {
393 self.count_insn("nuwneg");
395 llvm::LLVMBuildNUWNeg(self.llbuilder, v, noname())
398 pub fn fneg(&self, v: ValueRef) -> ValueRef {
399 self.count_insn("fneg");
401 llvm::LLVMBuildFNeg(self.llbuilder, v, noname())
405 pub fn not(&self, v: ValueRef) -> ValueRef {
406 self.count_insn("not");
408 llvm::LLVMBuildNot(self.llbuilder, v, noname())
413 pub fn malloc(&self, ty: Type) -> ValueRef {
414 self.count_insn("malloc");
416 llvm::LLVMBuildMalloc(self.llbuilder, ty.to_ref(), noname())
420 pub fn array_malloc(&self, ty: Type, val: ValueRef) -> ValueRef {
421 self.count_insn("arraymalloc");
423 llvm::LLVMBuildArrayMalloc(self.llbuilder, ty.to_ref(), val, noname())
427 pub fn alloca(&self, ty: Type, name: &str) -> ValueRef {
428 self.count_insn("alloca");
431 llvm::LLVMBuildAlloca(self.llbuilder, ty.to_ref(), noname())
433 let name = CString::from_slice(name.as_bytes());
434 llvm::LLVMBuildAlloca(self.llbuilder, ty.to_ref(),
440 pub fn array_alloca(&self, ty: Type, val: ValueRef) -> ValueRef {
441 self.count_insn("arrayalloca");
443 llvm::LLVMBuildArrayAlloca(self.llbuilder, ty.to_ref(), val, noname())
447 pub fn free(&self, ptr: ValueRef) {
448 self.count_insn("free");
450 llvm::LLVMBuildFree(self.llbuilder, ptr);
454 pub fn load(&self, ptr: ValueRef) -> ValueRef {
455 self.count_insn("load");
457 llvm::LLVMBuildLoad(self.llbuilder, ptr, noname())
461 pub fn volatile_load(&self, ptr: ValueRef) -> ValueRef {
462 self.count_insn("load.volatile");
464 let insn = llvm::LLVMBuildLoad(self.llbuilder, ptr, noname());
465 llvm::LLVMSetVolatile(insn, llvm::True);
470 pub fn atomic_load(&self, ptr: ValueRef, order: AtomicOrdering) -> ValueRef {
471 self.count_insn("load.atomic");
473 let ty = Type::from_ref(llvm::LLVMTypeOf(ptr));
474 let align = llalign_of_pref(self.ccx, ty.element_type());
475 llvm::LLVMBuildAtomicLoad(self.llbuilder, ptr, noname(), order,
481 pub fn load_range_assert(&self, ptr: ValueRef, lo: u64,
482 hi: u64, signed: llvm::Bool) -> ValueRef {
483 let value = self.load(ptr);
486 let t = llvm::LLVMGetElementType(llvm::LLVMTypeOf(ptr));
487 let min = llvm::LLVMConstInt(t, lo, signed);
488 let max = llvm::LLVMConstInt(t, hi, signed);
492 llvm::LLVMSetMetadata(value, llvm::MD_range as c_uint,
493 llvm::LLVMMDNodeInContext(self.ccx.llcx(),
501 pub fn store(&self, val: ValueRef, ptr: ValueRef) {
502 debug!("Store {} -> {}",
503 self.ccx.tn().val_to_string(val),
504 self.ccx.tn().val_to_string(ptr));
505 assert!(!self.llbuilder.is_null());
506 self.count_insn("store");
508 llvm::LLVMBuildStore(self.llbuilder, val, ptr);
512 pub fn volatile_store(&self, val: ValueRef, ptr: ValueRef) {
513 debug!("Store {} -> {}",
514 self.ccx.tn().val_to_string(val),
515 self.ccx.tn().val_to_string(ptr));
516 assert!(!self.llbuilder.is_null());
517 self.count_insn("store.volatile");
519 let insn = llvm::LLVMBuildStore(self.llbuilder, val, ptr);
520 llvm::LLVMSetVolatile(insn, llvm::True);
524 pub fn atomic_store(&self, val: ValueRef, ptr: ValueRef, order: AtomicOrdering) {
525 debug!("Store {} -> {}",
526 self.ccx.tn().val_to_string(val),
527 self.ccx.tn().val_to_string(ptr));
528 self.count_insn("store.atomic");
530 let ty = Type::from_ref(llvm::LLVMTypeOf(ptr));
531 let align = llalign_of_pref(self.ccx, ty.element_type());
532 llvm::LLVMBuildAtomicStore(self.llbuilder, val, ptr, order, align as c_uint);
536 pub fn gep(&self, ptr: ValueRef, indices: &[ValueRef]) -> ValueRef {
537 self.count_insn("gep");
539 llvm::LLVMBuildGEP(self.llbuilder, ptr, indices.as_ptr(),
540 indices.len() as c_uint, noname())
544 // Simple wrapper around GEP that takes an array of ints and wraps them
547 pub fn gepi(&self, base: ValueRef, ixs: &[uint]) -> ValueRef {
548 // Small vector optimization. This should catch 100% of the cases that
551 let mut small_vec = [ C_i32(self.ccx, 0); 16 ];
552 for (small_vec_e, &ix) in small_vec.iter_mut().zip(ixs.iter()) {
553 *small_vec_e = C_i32(self.ccx, ix as i32);
555 self.inbounds_gep(base, &small_vec[..ixs.len()])
557 let v = ixs.iter().map(|i| C_i32(self.ccx, *i as i32)).collect::<Vec<ValueRef>>();
558 self.count_insn("gepi");
559 self.inbounds_gep(base, &v[])
563 pub fn inbounds_gep(&self, ptr: ValueRef, indices: &[ValueRef]) -> ValueRef {
564 self.count_insn("inboundsgep");
566 llvm::LLVMBuildInBoundsGEP(
567 self.llbuilder, ptr, indices.as_ptr(), indices.len() as c_uint, noname())
571 pub fn struct_gep(&self, ptr: ValueRef, idx: uint) -> ValueRef {
572 self.count_insn("structgep");
574 llvm::LLVMBuildStructGEP(self.llbuilder, ptr, idx as c_uint, noname())
578 pub fn global_string(&self, _str: *const c_char) -> ValueRef {
579 self.count_insn("globalstring");
581 llvm::LLVMBuildGlobalString(self.llbuilder, _str, noname())
585 pub fn global_string_ptr(&self, _str: *const c_char) -> ValueRef {
586 self.count_insn("globalstringptr");
588 llvm::LLVMBuildGlobalStringPtr(self.llbuilder, _str, noname())
593 pub fn trunc(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
594 self.count_insn("trunc");
596 llvm::LLVMBuildTrunc(self.llbuilder, val, dest_ty.to_ref(), noname())
600 pub fn zext(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
601 self.count_insn("zext");
603 llvm::LLVMBuildZExt(self.llbuilder, val, dest_ty.to_ref(), noname())
607 pub fn sext(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
608 self.count_insn("sext");
610 llvm::LLVMBuildSExt(self.llbuilder, val, dest_ty.to_ref(), noname())
614 pub fn fptoui(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
615 self.count_insn("fptoui");
617 llvm::LLVMBuildFPToUI(self.llbuilder, val, dest_ty.to_ref(), noname())
621 pub fn fptosi(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
622 self.count_insn("fptosi");
624 llvm::LLVMBuildFPToSI(self.llbuilder, val, dest_ty.to_ref(),noname())
628 pub fn uitofp(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
629 self.count_insn("uitofp");
631 llvm::LLVMBuildUIToFP(self.llbuilder, val, dest_ty.to_ref(), noname())
635 pub fn sitofp(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
636 self.count_insn("sitofp");
638 llvm::LLVMBuildSIToFP(self.llbuilder, val, dest_ty.to_ref(), noname())
642 pub fn fptrunc(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
643 self.count_insn("fptrunc");
645 llvm::LLVMBuildFPTrunc(self.llbuilder, val, dest_ty.to_ref(), noname())
649 pub fn fpext(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
650 self.count_insn("fpext");
652 llvm::LLVMBuildFPExt(self.llbuilder, val, dest_ty.to_ref(), noname())
656 pub fn ptrtoint(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
657 self.count_insn("ptrtoint");
659 llvm::LLVMBuildPtrToInt(self.llbuilder, val, dest_ty.to_ref(), noname())
663 pub fn inttoptr(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
664 self.count_insn("inttoptr");
666 llvm::LLVMBuildIntToPtr(self.llbuilder, val, dest_ty.to_ref(), noname())
670 pub fn bitcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
671 self.count_insn("bitcast");
673 llvm::LLVMBuildBitCast(self.llbuilder, val, dest_ty.to_ref(), noname())
677 pub fn zext_or_bitcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
678 self.count_insn("zextorbitcast");
680 llvm::LLVMBuildZExtOrBitCast(self.llbuilder, val, dest_ty.to_ref(), noname())
684 pub fn sext_or_bitcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
685 self.count_insn("sextorbitcast");
687 llvm::LLVMBuildSExtOrBitCast(self.llbuilder, val, dest_ty.to_ref(), noname())
691 pub fn trunc_or_bitcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
692 self.count_insn("truncorbitcast");
694 llvm::LLVMBuildTruncOrBitCast(self.llbuilder, val, dest_ty.to_ref(), noname())
698 pub fn cast(&self, op: Opcode, val: ValueRef, dest_ty: Type) -> ValueRef {
699 self.count_insn("cast");
701 llvm::LLVMBuildCast(self.llbuilder, op, val, dest_ty.to_ref(), noname())
705 pub fn pointercast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
706 self.count_insn("pointercast");
708 llvm::LLVMBuildPointerCast(self.llbuilder, val, dest_ty.to_ref(), noname())
712 pub fn intcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
713 self.count_insn("intcast");
715 llvm::LLVMBuildIntCast(self.llbuilder, val, dest_ty.to_ref(), noname())
719 pub fn fpcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
720 self.count_insn("fpcast");
722 llvm::LLVMBuildFPCast(self.llbuilder, val, dest_ty.to_ref(), noname())
728 pub fn icmp(&self, op: IntPredicate, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
729 self.count_insn("icmp");
731 llvm::LLVMBuildICmp(self.llbuilder, op as c_uint, lhs, rhs, noname())
735 pub fn fcmp(&self, op: RealPredicate, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
736 self.count_insn("fcmp");
738 llvm::LLVMBuildFCmp(self.llbuilder, op as c_uint, lhs, rhs, noname())
742 /* Miscellaneous instructions */
743 pub fn empty_phi(&self, ty: Type) -> ValueRef {
744 self.count_insn("emptyphi");
746 llvm::LLVMBuildPhi(self.llbuilder, ty.to_ref(), noname())
750 pub fn phi(&self, ty: Type, vals: &[ValueRef], bbs: &[BasicBlockRef]) -> ValueRef {
751 assert_eq!(vals.len(), bbs.len());
752 let phi = self.empty_phi(ty);
753 self.count_insn("addincoming");
755 llvm::LLVMAddIncoming(phi, vals.as_ptr(),
757 vals.len() as c_uint);
762 pub fn add_span_comment(&self, sp: Span, text: &str) {
763 if self.ccx.sess().asm_comments() {
764 let s = format!("{} ({})",
766 self.ccx.sess().codemap().span_to_string(sp));
768 self.add_comment(&s[]);
772 pub fn add_comment(&self, text: &str) {
773 if self.ccx.sess().asm_comments() {
774 let sanitized = text.replace("$", "");
775 let comment_text = format!("{} {}", "#",
776 sanitized.replace("\n", "\n\t# "));
777 self.count_insn("inlineasm");
778 let comment_text = CString::from_vec(comment_text.into_bytes());
780 llvm::LLVMConstInlineAsm(Type::func(&[], &Type::void(self.ccx)).to_ref(),
781 comment_text.as_ptr(), noname(), False,
784 self.call(asm, &[], None);
788 pub fn inline_asm_call(&self, asm: *const c_char, cons: *const c_char,
789 inputs: &[ValueRef], output: Type,
790 volatile: bool, alignstack: bool,
791 dia: AsmDialect) -> ValueRef {
792 self.count_insn("inlineasm");
794 let volatile = if volatile { llvm::True }
795 else { llvm::False };
796 let alignstack = if alignstack { llvm::True }
797 else { llvm::False };
799 let argtys = inputs.iter().map(|v| {
800 debug!("Asm Input Type: {}", self.ccx.tn().val_to_string(*v));
802 }).collect::<Vec<_>>();
804 debug!("Asm Output Type: {}", self.ccx.tn().type_to_string(output));
805 let fty = Type::func(&argtys[], &output);
807 let v = llvm::LLVMInlineAsm(
808 fty.to_ref(), asm, cons, volatile, alignstack, dia as c_uint);
809 self.call(v, inputs, None)
813 pub fn call(&self, llfn: ValueRef, args: &[ValueRef],
814 attributes: Option<AttrBuilder>) -> ValueRef {
815 self.count_insn("call");
817 debug!("Call {} with args ({})",
818 self.ccx.tn().val_to_string(llfn),
820 .map(|&v| self.ccx.tn().val_to_string(v))
821 .collect::<Vec<String>>()
825 let v = llvm::LLVMBuildCall(self.llbuilder, llfn, args.as_ptr(),
826 args.len() as c_uint, noname());
828 Some(a) => a.apply_callsite(v),
835 pub fn call_with_conv(&self, llfn: ValueRef, args: &[ValueRef],
836 conv: CallConv, attributes: Option<AttrBuilder>) -> ValueRef {
837 self.count_insn("callwithconv");
838 let v = self.call(llfn, args, attributes);
839 llvm::SetInstructionCallConv(v, conv);
843 pub fn select(&self, cond: ValueRef, then_val: ValueRef, else_val: ValueRef) -> ValueRef {
844 self.count_insn("select");
846 llvm::LLVMBuildSelect(self.llbuilder, cond, then_val, else_val, noname())
850 pub fn va_arg(&self, list: ValueRef, ty: Type) -> ValueRef {
851 self.count_insn("vaarg");
853 llvm::LLVMBuildVAArg(self.llbuilder, list, ty.to_ref(), noname())
857 pub fn extract_element(&self, vec: ValueRef, idx: ValueRef) -> ValueRef {
858 self.count_insn("extractelement");
860 llvm::LLVMBuildExtractElement(self.llbuilder, vec, idx, noname())
864 pub fn insert_element(&self, vec: ValueRef, elt: ValueRef, idx: ValueRef) -> ValueRef {
865 self.count_insn("insertelement");
867 llvm::LLVMBuildInsertElement(self.llbuilder, vec, elt, idx, noname())
871 pub fn shuffle_vector(&self, v1: ValueRef, v2: ValueRef, mask: ValueRef) -> ValueRef {
872 self.count_insn("shufflevector");
874 llvm::LLVMBuildShuffleVector(self.llbuilder, v1, v2, mask, noname())
878 pub fn vector_splat(&self, num_elts: uint, elt: ValueRef) -> ValueRef {
880 let elt_ty = val_ty(elt);
881 let undef = llvm::LLVMGetUndef(Type::vector(&elt_ty, num_elts as u64).to_ref());
882 let vec = self.insert_element(undef, elt, C_i32(self.ccx, 0));
883 let vec_i32_ty = Type::vector(&Type::i32(self.ccx), num_elts as u64);
884 self.shuffle_vector(vec, undef, C_null(vec_i32_ty))
888 pub fn extract_value(&self, agg_val: ValueRef, idx: uint) -> ValueRef {
889 self.count_insn("extractvalue");
891 llvm::LLVMBuildExtractValue(self.llbuilder, agg_val, idx as c_uint, noname())
895 pub fn insert_value(&self, agg_val: ValueRef, elt: ValueRef,
896 idx: uint) -> ValueRef {
897 self.count_insn("insertvalue");
899 llvm::LLVMBuildInsertValue(self.llbuilder, agg_val, elt, idx as c_uint,
904 pub fn is_null(&self, val: ValueRef) -> ValueRef {
905 self.count_insn("isnull");
907 llvm::LLVMBuildIsNull(self.llbuilder, val, noname())
911 pub fn is_not_null(&self, val: ValueRef) -> ValueRef {
912 self.count_insn("isnotnull");
914 llvm::LLVMBuildIsNotNull(self.llbuilder, val, noname())
918 pub fn ptrdiff(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
919 self.count_insn("ptrdiff");
921 llvm::LLVMBuildPtrDiff(self.llbuilder, lhs, rhs, noname())
927 let bb: BasicBlockRef = llvm::LLVMGetInsertBlock(self.llbuilder);
928 let fn_: ValueRef = llvm::LLVMGetBasicBlockParent(bb);
929 let m: ModuleRef = llvm::LLVMGetGlobalParent(fn_);
930 let p = "llvm.trap\0".as_ptr();
931 let t: ValueRef = llvm::LLVMGetNamedFunction(m, p as *const _);
932 assert!((t as int != 0));
933 let args: &[ValueRef] = &[];
934 self.count_insn("trap");
936 self.llbuilder, t, args.as_ptr(), args.len() as c_uint, noname());
940 pub fn landing_pad(&self, ty: Type, pers_fn: ValueRef, num_clauses: uint) -> ValueRef {
941 self.count_insn("landingpad");
943 llvm::LLVMBuildLandingPad(
944 self.llbuilder, ty.to_ref(), pers_fn, num_clauses as c_uint, noname())
948 pub fn set_cleanup(&self, landing_pad: ValueRef) {
949 self.count_insn("setcleanup");
951 llvm::LLVMSetCleanup(landing_pad, llvm::True);
955 pub fn resume(&self, exn: ValueRef) -> ValueRef {
956 self.count_insn("resume");
958 llvm::LLVMBuildResume(self.llbuilder, exn)
963 pub fn atomic_cmpxchg(&self, dst: ValueRef,
964 cmp: ValueRef, src: ValueRef,
965 order: AtomicOrdering,
966 failure_order: AtomicOrdering) -> ValueRef {
968 llvm::LLVMBuildAtomicCmpXchg(self.llbuilder, dst, cmp, src,
969 order, failure_order)
972 pub fn atomic_rmw(&self, op: AtomicBinOp,
973 dst: ValueRef, src: ValueRef,
974 order: AtomicOrdering) -> ValueRef {
976 llvm::LLVMBuildAtomicRMW(self.llbuilder, op, dst, src, order, False)
980 pub fn atomic_fence(&self, order: AtomicOrdering) {
982 llvm::LLVMBuildAtomicFence(self.llbuilder, order);