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
15 use lib::llvm::{CallConv, AtomicBinOp, AtomicOrdering, AsmDialect};
16 use lib::llvm::{Opcode, IntPredicate, RealPredicate, False};
17 use lib::llvm::{ValueRef, BasicBlockRef, BuilderRef, ModuleRef};
18 use middle::trans::base;
19 use middle::trans::common::*;
20 use middle::trans::machine::llalign_of_pref;
21 use middle::trans::type_::Type;
22 use std::collections::HashMap;
23 use libc::{c_uint, c_ulonglong, c_char};
24 use std::string::String;
25 use syntax::codemap::Span;
27 pub struct Builder<'a> {
28 pub llbuilder: BuilderRef,
29 pub ccx: &'a CrateContext,
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() -> *c_char {
35 static cnull: c_char = 0;
39 impl<'a> Builder<'a> {
40 pub fn new(ccx: &'a CrateContext) -> Builder<'a> {
42 llbuilder: ccx.builder.b,
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 if self.ccx.sess().count_llvm_insns() {
55 base::with_insn_ctxt(|v| {
56 let mut h = self.ccx.stats.llvm_insns.borrow_mut();
58 // Build version of path with cycles removed.
60 // Pass 1: scan table mapping str -> rightmost pos.
61 let mut mm = HashMap::new();
69 // Pass 2: concat strings for each elt, skipping
70 // forwards over any cycles by advancing to rightmost
71 // occurrence of each element in path.
72 let mut s = String::from_str(".");
84 let n = match h.find(&s) {
93 pub fn position_before(&self, insn: ValueRef) {
95 llvm::LLVMPositionBuilderBefore(self.llbuilder, insn);
99 pub fn position_at_end(&self, llbb: BasicBlockRef) {
101 llvm::LLVMPositionBuilderAtEnd(self.llbuilder, llbb);
105 pub fn ret_void(&self) {
106 self.count_insn("retvoid");
108 llvm::LLVMBuildRetVoid(self.llbuilder);
112 pub fn ret(&self, v: ValueRef) {
113 self.count_insn("ret");
115 llvm::LLVMBuildRet(self.llbuilder, v);
119 pub fn aggregate_ret(&self, ret_vals: &[ValueRef]) {
121 llvm::LLVMBuildAggregateRet(self.llbuilder,
123 ret_vals.len() as c_uint);
127 pub fn br(&self, dest: BasicBlockRef) {
128 self.count_insn("br");
130 llvm::LLVMBuildBr(self.llbuilder, dest);
134 pub fn cond_br(&self, cond: ValueRef, then_llbb: BasicBlockRef, else_llbb: BasicBlockRef) {
135 self.count_insn("condbr");
137 llvm::LLVMBuildCondBr(self.llbuilder, cond, then_llbb, else_llbb);
141 pub fn switch(&self, v: ValueRef, else_llbb: BasicBlockRef, num_cases: uint) -> ValueRef {
143 llvm::LLVMBuildSwitch(self.llbuilder, v, else_llbb, num_cases as c_uint)
147 pub fn indirect_br(&self, addr: ValueRef, num_dests: uint) {
148 self.count_insn("indirectbr");
150 llvm::LLVMBuildIndirectBr(self.llbuilder, addr, num_dests as c_uint);
158 catch: BasicBlockRef,
159 attributes: &[(uint, u64)])
161 self.count_insn("invoke");
163 let v = llvm::LLVMBuildInvoke(self.llbuilder,
166 args.len() as c_uint,
170 for &(idx, attr) in attributes.iter() {
171 llvm::LLVMAddCallSiteAttribute(v, idx as c_uint, attr);
177 pub fn unreachable(&self) {
178 self.count_insn("unreachable");
180 llvm::LLVMBuildUnreachable(self.llbuilder);
185 pub fn add(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
186 self.count_insn("add");
188 llvm::LLVMBuildAdd(self.llbuilder, lhs, rhs, noname())
192 pub fn nswadd(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
193 self.count_insn("nswadd");
195 llvm::LLVMBuildNSWAdd(self.llbuilder, lhs, rhs, noname())
199 pub fn nuwadd(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
200 self.count_insn("nuwadd");
202 llvm::LLVMBuildNUWAdd(self.llbuilder, lhs, rhs, noname())
206 pub fn fadd(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
207 self.count_insn("fadd");
209 llvm::LLVMBuildFAdd(self.llbuilder, lhs, rhs, noname())
213 pub fn sub(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
214 self.count_insn("sub");
216 llvm::LLVMBuildSub(self.llbuilder, lhs, rhs, noname())
220 pub fn nswsub(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
221 self.count_insn("nwsub");
223 llvm::LLVMBuildNSWSub(self.llbuilder, lhs, rhs, noname())
227 pub fn nuwsub(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
228 self.count_insn("nuwsub");
230 llvm::LLVMBuildNUWSub(self.llbuilder, lhs, rhs, noname())
234 pub fn fsub(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
235 self.count_insn("sub");
237 llvm::LLVMBuildFSub(self.llbuilder, lhs, rhs, noname())
241 pub fn mul(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
242 self.count_insn("mul");
244 llvm::LLVMBuildMul(self.llbuilder, lhs, rhs, noname())
248 pub fn nswmul(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
249 self.count_insn("nswmul");
251 llvm::LLVMBuildNSWMul(self.llbuilder, lhs, rhs, noname())
255 pub fn nuwmul(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
256 self.count_insn("nuwmul");
258 llvm::LLVMBuildNUWMul(self.llbuilder, lhs, rhs, noname())
262 pub fn fmul(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
263 self.count_insn("fmul");
265 llvm::LLVMBuildFMul(self.llbuilder, lhs, rhs, noname())
269 pub fn udiv(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
270 self.count_insn("udiv");
272 llvm::LLVMBuildUDiv(self.llbuilder, lhs, rhs, noname())
276 pub fn sdiv(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
277 self.count_insn("sdiv");
279 llvm::LLVMBuildSDiv(self.llbuilder, lhs, rhs, noname())
283 pub fn exactsdiv(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
284 self.count_insn("exactsdiv");
286 llvm::LLVMBuildExactSDiv(self.llbuilder, lhs, rhs, noname())
290 pub fn fdiv(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
291 self.count_insn("fdiv");
293 llvm::LLVMBuildFDiv(self.llbuilder, lhs, rhs, noname())
297 pub fn urem(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
298 self.count_insn("urem");
300 llvm::LLVMBuildURem(self.llbuilder, lhs, rhs, noname())
304 pub fn srem(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
305 self.count_insn("srem");
307 llvm::LLVMBuildSRem(self.llbuilder, lhs, rhs, noname())
311 pub fn frem(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
312 self.count_insn("frem");
314 llvm::LLVMBuildFRem(self.llbuilder, lhs, rhs, noname())
318 pub fn shl(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
319 self.count_insn("shl");
321 llvm::LLVMBuildShl(self.llbuilder, lhs, rhs, noname())
325 pub fn lshr(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
326 self.count_insn("lshr");
328 llvm::LLVMBuildLShr(self.llbuilder, lhs, rhs, noname())
332 pub fn ashr(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
333 self.count_insn("ashr");
335 llvm::LLVMBuildAShr(self.llbuilder, lhs, rhs, noname())
339 pub fn and(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
340 self.count_insn("and");
342 llvm::LLVMBuildAnd(self.llbuilder, lhs, rhs, noname())
346 pub fn or(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
347 self.count_insn("or");
349 llvm::LLVMBuildOr(self.llbuilder, lhs, rhs, noname())
353 pub fn xor(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
354 self.count_insn("xor");
356 llvm::LLVMBuildXor(self.llbuilder, lhs, rhs, noname())
360 pub fn binop(&self, op: Opcode, lhs: ValueRef, rhs: ValueRef)
362 self.count_insn("binop");
364 llvm::LLVMBuildBinOp(self.llbuilder, op, lhs, rhs, noname())
368 pub fn neg(&self, v: ValueRef) -> ValueRef {
369 self.count_insn("neg");
371 llvm::LLVMBuildNeg(self.llbuilder, v, noname())
375 pub fn nswneg(&self, v: ValueRef) -> ValueRef {
376 self.count_insn("nswneg");
378 llvm::LLVMBuildNSWNeg(self.llbuilder, v, noname())
382 pub fn nuwneg(&self, v: ValueRef) -> ValueRef {
383 self.count_insn("nuwneg");
385 llvm::LLVMBuildNUWNeg(self.llbuilder, v, noname())
388 pub fn fneg(&self, v: ValueRef) -> ValueRef {
389 self.count_insn("fneg");
391 llvm::LLVMBuildFNeg(self.llbuilder, v, noname())
395 pub fn not(&self, v: ValueRef) -> ValueRef {
396 self.count_insn("not");
398 llvm::LLVMBuildNot(self.llbuilder, v, noname())
403 pub fn malloc(&self, ty: Type) -> ValueRef {
404 self.count_insn("malloc");
406 llvm::LLVMBuildMalloc(self.llbuilder, ty.to_ref(), noname())
410 pub fn array_malloc(&self, ty: Type, val: ValueRef) -> ValueRef {
411 self.count_insn("arraymalloc");
413 llvm::LLVMBuildArrayMalloc(self.llbuilder, ty.to_ref(), val, noname())
417 pub fn alloca(&self, ty: Type, name: &str) -> ValueRef {
418 self.count_insn("alloca");
421 llvm::LLVMBuildAlloca(self.llbuilder, ty.to_ref(), noname())
423 name.with_c_str(|c| {
424 llvm::LLVMBuildAlloca(self.llbuilder, ty.to_ref(), c)
430 pub fn array_alloca(&self, ty: Type, val: ValueRef) -> ValueRef {
431 self.count_insn("arrayalloca");
433 llvm::LLVMBuildArrayAlloca(self.llbuilder, ty.to_ref(), val, noname())
437 pub fn free(&self, ptr: ValueRef) {
438 self.count_insn("free");
440 llvm::LLVMBuildFree(self.llbuilder, ptr);
444 pub fn load(&self, ptr: ValueRef) -> ValueRef {
445 self.count_insn("load");
447 llvm::LLVMBuildLoad(self.llbuilder, ptr, noname())
451 pub fn volatile_load(&self, ptr: ValueRef) -> ValueRef {
452 self.count_insn("load.volatile");
454 let insn = llvm::LLVMBuildLoad(self.llbuilder, ptr, noname());
455 llvm::LLVMSetVolatile(insn, lib::llvm::True);
460 pub fn atomic_load(&self, ptr: ValueRef, order: AtomicOrdering) -> ValueRef {
461 self.count_insn("load.atomic");
463 let ty = Type::from_ref(llvm::LLVMTypeOf(ptr));
464 let align = llalign_of_pref(self.ccx, ty.element_type());
465 llvm::LLVMBuildAtomicLoad(self.llbuilder, ptr, noname(), order,
471 pub fn load_range_assert(&self, ptr: ValueRef, lo: c_ulonglong,
472 hi: c_ulonglong, signed: lib::llvm::Bool) -> ValueRef {
473 let value = self.load(ptr);
476 let t = llvm::LLVMGetElementType(llvm::LLVMTypeOf(ptr));
477 let min = llvm::LLVMConstInt(t, lo, signed);
478 let max = llvm::LLVMConstInt(t, hi, signed);
482 llvm::LLVMSetMetadata(value, lib::llvm::MD_range as c_uint,
483 llvm::LLVMMDNodeInContext(self.ccx.llcx,
484 v.as_ptr(), v.len() as c_uint));
490 pub fn store(&self, val: ValueRef, ptr: ValueRef) {
491 debug!("Store {} -> {}",
492 self.ccx.tn.val_to_str(val),
493 self.ccx.tn.val_to_str(ptr));
494 assert!(self.llbuilder.is_not_null());
495 self.count_insn("store");
497 llvm::LLVMBuildStore(self.llbuilder, val, ptr);
501 pub fn volatile_store(&self, val: ValueRef, ptr: ValueRef) {
502 debug!("Store {} -> {}",
503 self.ccx.tn.val_to_str(val),
504 self.ccx.tn.val_to_str(ptr));
505 assert!(self.llbuilder.is_not_null());
506 self.count_insn("store.volatile");
508 let insn = llvm::LLVMBuildStore(self.llbuilder, val, ptr);
509 llvm::LLVMSetVolatile(insn, lib::llvm::True);
513 pub fn atomic_store(&self, val: ValueRef, ptr: ValueRef, order: AtomicOrdering) {
514 debug!("Store {} -> {}",
515 self.ccx.tn.val_to_str(val),
516 self.ccx.tn.val_to_str(ptr));
517 self.count_insn("store.atomic");
519 let ty = Type::from_ref(llvm::LLVMTypeOf(ptr));
520 let align = llalign_of_pref(self.ccx, ty.element_type());
521 llvm::LLVMBuildAtomicStore(self.llbuilder, val, ptr, order, align as c_uint);
525 pub fn gep(&self, ptr: ValueRef, indices: &[ValueRef]) -> ValueRef {
526 self.count_insn("gep");
528 llvm::LLVMBuildGEP(self.llbuilder, ptr, indices.as_ptr(),
529 indices.len() as c_uint, noname())
533 // Simple wrapper around GEP that takes an array of ints and wraps them
536 pub fn gepi(&self, base: ValueRef, ixs: &[uint]) -> ValueRef {
537 // Small vector optimization. This should catch 100% of the cases that
540 let mut small_vec = [ C_i32(self.ccx, 0), ..16 ];
541 for (small_vec_e, &ix) in small_vec.mut_iter().zip(ixs.iter()) {
542 *small_vec_e = C_i32(self.ccx, ix as i32);
544 self.inbounds_gep(base, small_vec.slice(0, ixs.len()))
546 let v = ixs.iter().map(|i| C_i32(self.ccx, *i as i32)).collect::<Vec<ValueRef>>();
547 self.count_insn("gepi");
548 self.inbounds_gep(base, v.as_slice())
552 pub fn inbounds_gep(&self, ptr: ValueRef, indices: &[ValueRef]) -> ValueRef {
553 self.count_insn("inboundsgep");
555 llvm::LLVMBuildInBoundsGEP(
556 self.llbuilder, ptr, indices.as_ptr(), indices.len() as c_uint, noname())
560 pub fn struct_gep(&self, ptr: ValueRef, idx: uint) -> ValueRef {
561 self.count_insn("structgep");
563 llvm::LLVMBuildStructGEP(self.llbuilder, ptr, idx as c_uint, noname())
567 pub fn global_string(&self, _str: *c_char) -> ValueRef {
568 self.count_insn("globalstring");
570 llvm::LLVMBuildGlobalString(self.llbuilder, _str, noname())
574 pub fn global_string_ptr(&self, _str: *c_char) -> ValueRef {
575 self.count_insn("globalstringptr");
577 llvm::LLVMBuildGlobalStringPtr(self.llbuilder, _str, noname())
582 pub fn trunc(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
583 self.count_insn("trunc");
585 llvm::LLVMBuildTrunc(self.llbuilder, val, dest_ty.to_ref(), noname())
589 pub fn zext(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
590 self.count_insn("zext");
592 llvm::LLVMBuildZExt(self.llbuilder, val, dest_ty.to_ref(), noname())
596 pub fn sext(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
597 self.count_insn("sext");
599 llvm::LLVMBuildSExt(self.llbuilder, val, dest_ty.to_ref(), noname())
603 pub fn fptoui(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
604 self.count_insn("fptoui");
606 llvm::LLVMBuildFPToUI(self.llbuilder, val, dest_ty.to_ref(), noname())
610 pub fn fptosi(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
611 self.count_insn("fptosi");
613 llvm::LLVMBuildFPToSI(self.llbuilder, val, dest_ty.to_ref(),noname())
617 pub fn uitofp(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
618 self.count_insn("uitofp");
620 llvm::LLVMBuildUIToFP(self.llbuilder, val, dest_ty.to_ref(), noname())
624 pub fn sitofp(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
625 self.count_insn("sitofp");
627 llvm::LLVMBuildSIToFP(self.llbuilder, val, dest_ty.to_ref(), noname())
631 pub fn fptrunc(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
632 self.count_insn("fptrunc");
634 llvm::LLVMBuildFPTrunc(self.llbuilder, val, dest_ty.to_ref(), noname())
638 pub fn fpext(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
639 self.count_insn("fpext");
641 llvm::LLVMBuildFPExt(self.llbuilder, val, dest_ty.to_ref(), noname())
645 pub fn ptrtoint(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
646 self.count_insn("ptrtoint");
648 llvm::LLVMBuildPtrToInt(self.llbuilder, val, dest_ty.to_ref(), noname())
652 pub fn inttoptr(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
653 self.count_insn("inttoptr");
655 llvm::LLVMBuildIntToPtr(self.llbuilder, val, dest_ty.to_ref(), noname())
659 pub fn bitcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
660 self.count_insn("bitcast");
662 llvm::LLVMBuildBitCast(self.llbuilder, val, dest_ty.to_ref(), noname())
666 pub fn zext_or_bitcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
667 self.count_insn("zextorbitcast");
669 llvm::LLVMBuildZExtOrBitCast(self.llbuilder, val, dest_ty.to_ref(), noname())
673 pub fn sext_or_bitcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
674 self.count_insn("sextorbitcast");
676 llvm::LLVMBuildSExtOrBitCast(self.llbuilder, val, dest_ty.to_ref(), noname())
680 pub fn trunc_or_bitcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
681 self.count_insn("truncorbitcast");
683 llvm::LLVMBuildTruncOrBitCast(self.llbuilder, val, dest_ty.to_ref(), noname())
687 pub fn cast(&self, op: Opcode, val: ValueRef, dest_ty: Type) -> ValueRef {
688 self.count_insn("cast");
690 llvm::LLVMBuildCast(self.llbuilder, op, val, dest_ty.to_ref(), noname())
694 pub fn pointercast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
695 self.count_insn("pointercast");
697 llvm::LLVMBuildPointerCast(self.llbuilder, val, dest_ty.to_ref(), noname())
701 pub fn intcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
702 self.count_insn("intcast");
704 llvm::LLVMBuildIntCast(self.llbuilder, val, dest_ty.to_ref(), noname())
708 pub fn fpcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
709 self.count_insn("fpcast");
711 llvm::LLVMBuildFPCast(self.llbuilder, val, dest_ty.to_ref(), noname())
717 pub fn icmp(&self, op: IntPredicate, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
718 self.count_insn("icmp");
720 llvm::LLVMBuildICmp(self.llbuilder, op as c_uint, lhs, rhs, noname())
724 pub fn fcmp(&self, op: RealPredicate, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
725 self.count_insn("fcmp");
727 llvm::LLVMBuildFCmp(self.llbuilder, op as c_uint, lhs, rhs, noname())
731 /* Miscellaneous instructions */
732 pub fn empty_phi(&self, ty: Type) -> ValueRef {
733 self.count_insn("emptyphi");
735 llvm::LLVMBuildPhi(self.llbuilder, ty.to_ref(), noname())
739 pub fn phi(&self, ty: Type, vals: &[ValueRef], bbs: &[BasicBlockRef]) -> ValueRef {
740 assert_eq!(vals.len(), bbs.len());
741 let phi = self.empty_phi(ty);
742 self.count_insn("addincoming");
744 llvm::LLVMAddIncoming(phi, vals.as_ptr(),
746 vals.len() as c_uint);
751 pub fn add_span_comment(&self, sp: Span, text: &str) {
752 if self.ccx.sess().asm_comments() {
753 let s = format!("{} ({})",
755 self.ccx.sess().codemap().span_to_str(sp));
756 debug!("{}", s.as_slice());
757 self.add_comment(s.as_slice());
761 pub fn add_comment(&self, text: &str) {
762 if self.ccx.sess().asm_comments() {
763 let sanitized = text.replace("$", "");
764 let comment_text = format!("{} {}", "#",
765 sanitized.replace("\n", "\n\t# "));
766 self.count_insn("inlineasm");
767 let asm = comment_text.as_slice().with_c_str(|c| {
769 llvm::LLVMConstInlineAsm(Type::func([], &Type::void(self.ccx)).to_ref(),
770 c, noname(), False, False)
773 self.call(asm, [], []);
777 pub fn inline_asm_call(&self, asm: *c_char, cons: *c_char,
778 inputs: &[ValueRef], output: Type,
779 volatile: bool, alignstack: bool,
780 dia: AsmDialect) -> ValueRef {
781 self.count_insn("inlineasm");
783 let volatile = if volatile { lib::llvm::True }
784 else { lib::llvm::False };
785 let alignstack = if alignstack { lib::llvm::True }
786 else { lib::llvm::False };
788 let argtys = inputs.iter().map(|v| {
789 debug!("Asm Input Type: {:?}", self.ccx.tn.val_to_str(*v));
791 }).collect::<Vec<_>>();
793 debug!("Asm Output Type: {:?}", self.ccx.tn.type_to_str(output));
794 let fty = Type::func(argtys.as_slice(), &output);
796 let v = llvm::LLVMInlineAsm(
797 fty.to_ref(), asm, cons, volatile, alignstack, dia as c_uint);
798 self.call(v, inputs, [])
802 pub fn call(&self, llfn: ValueRef, args: &[ValueRef],
803 attributes: &[(uint, u64)]) -> ValueRef {
804 self.count_insn("call");
806 debug!("Call {} with args ({})",
807 self.ccx.tn.val_to_str(llfn),
809 .map(|&v| self.ccx.tn.val_to_str(v))
810 .collect::<Vec<String>>()
814 let v = llvm::LLVMBuildCall(self.llbuilder, llfn, args.as_ptr(),
815 args.len() as c_uint, noname());
816 for &(idx, attr) in attributes.iter() {
817 llvm::LLVMAddCallSiteAttribute(v, idx as c_uint, attr);
823 pub fn call_with_conv(&self, llfn: ValueRef, args: &[ValueRef],
824 conv: CallConv, attributes: &[(uint, u64)]) -> ValueRef {
825 self.count_insn("callwithconv");
826 let v = self.call(llfn, args, attributes);
827 lib::llvm::SetInstructionCallConv(v, conv);
831 pub fn select(&self, cond: ValueRef, then_val: ValueRef, else_val: ValueRef) -> ValueRef {
832 self.count_insn("select");
834 llvm::LLVMBuildSelect(self.llbuilder, cond, then_val, else_val, noname())
838 pub fn va_arg(&self, list: ValueRef, ty: Type) -> ValueRef {
839 self.count_insn("vaarg");
841 llvm::LLVMBuildVAArg(self.llbuilder, list, ty.to_ref(), noname())
845 pub fn extract_element(&self, vec: ValueRef, idx: ValueRef) -> ValueRef {
846 self.count_insn("extractelement");
848 llvm::LLVMBuildExtractElement(self.llbuilder, vec, idx, noname())
852 pub fn insert_element(&self, vec: ValueRef, elt: ValueRef, idx: ValueRef) -> ValueRef {
853 self.count_insn("insertelement");
855 llvm::LLVMBuildInsertElement(self.llbuilder, vec, elt, idx, noname())
859 pub fn shuffle_vector(&self, v1: ValueRef, v2: ValueRef, mask: ValueRef) -> ValueRef {
860 self.count_insn("shufflevector");
862 llvm::LLVMBuildShuffleVector(self.llbuilder, v1, v2, mask, noname())
866 pub fn vector_splat(&self, num_elts: uint, elt: ValueRef) -> ValueRef {
868 let elt_ty = val_ty(elt);
869 let undef = llvm::LLVMGetUndef(Type::vector(&elt_ty, num_elts as u64).to_ref());
870 let vec = self.insert_element(undef, elt, C_i32(self.ccx, 0));
871 let vec_i32_ty = Type::vector(&Type::i32(self.ccx), num_elts as u64);
872 self.shuffle_vector(vec, undef, C_null(vec_i32_ty))
876 pub fn extract_value(&self, agg_val: ValueRef, idx: uint) -> ValueRef {
877 self.count_insn("extractvalue");
879 llvm::LLVMBuildExtractValue(self.llbuilder, agg_val, idx as c_uint, noname())
883 pub fn insert_value(&self, agg_val: ValueRef, elt: ValueRef,
884 idx: uint) -> ValueRef {
885 self.count_insn("insertvalue");
887 llvm::LLVMBuildInsertValue(self.llbuilder, agg_val, elt, idx as c_uint,
892 pub fn is_null(&self, val: ValueRef) -> ValueRef {
893 self.count_insn("isnull");
895 llvm::LLVMBuildIsNull(self.llbuilder, val, noname())
899 pub fn is_not_null(&self, val: ValueRef) -> ValueRef {
900 self.count_insn("isnotnull");
902 llvm::LLVMBuildIsNotNull(self.llbuilder, val, noname())
906 pub fn ptrdiff(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
907 self.count_insn("ptrdiff");
909 llvm::LLVMBuildPtrDiff(self.llbuilder, lhs, rhs, noname())
915 let bb: BasicBlockRef = llvm::LLVMGetInsertBlock(self.llbuilder);
916 let fn_: ValueRef = llvm::LLVMGetBasicBlockParent(bb);
917 let m: ModuleRef = llvm::LLVMGetGlobalParent(fn_);
918 let t: ValueRef = "llvm.trap".with_c_str(|buf| {
919 llvm::LLVMGetNamedFunction(m, buf)
921 assert!((t as int != 0));
922 let args: &[ValueRef] = [];
923 self.count_insn("trap");
925 self.llbuilder, t, args.as_ptr(), args.len() as c_uint, noname());
929 pub fn landing_pad(&self, ty: Type, pers_fn: ValueRef, num_clauses: uint) -> ValueRef {
930 self.count_insn("landingpad");
932 llvm::LLVMBuildLandingPad(
933 self.llbuilder, ty.to_ref(), pers_fn, num_clauses as c_uint, noname())
937 pub fn set_cleanup(&self, landing_pad: ValueRef) {
938 self.count_insn("setcleanup");
940 llvm::LLVMSetCleanup(landing_pad, lib::llvm::True);
944 pub fn resume(&self, exn: ValueRef) -> ValueRef {
945 self.count_insn("resume");
947 llvm::LLVMBuildResume(self.llbuilder, exn)
952 pub fn atomic_cmpxchg(&self, dst: ValueRef,
953 cmp: ValueRef, src: ValueRef,
954 order: AtomicOrdering,
955 failure_order: AtomicOrdering) -> ValueRef {
957 llvm::LLVMBuildAtomicCmpXchg(self.llbuilder, dst, cmp, src,
958 order, failure_order)
961 pub fn atomic_rmw(&self, op: AtomicBinOp,
962 dst: ValueRef, src: ValueRef,
963 order: AtomicOrdering) -> ValueRef {
965 llvm::LLVMBuildAtomicRMW(self.llbuilder, op, dst, src, order, False)
969 pub fn atomic_fence(&self, order: AtomicOrdering) {
971 llvm::LLVMBuildAtomicFence(self.llbuilder, order);