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() -> *const c_char {
35 static cnull: c_char = 0;
36 &cnull as *const c_char
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 debug!("Invoke {} with args ({})",
164 self.ccx.tn.val_to_str(llfn),
166 .map(|&v| self.ccx.tn.val_to_str(v))
167 .collect::<Vec<String>>()
171 let v = llvm::LLVMBuildInvoke(self.llbuilder,
174 args.len() as c_uint,
178 for &(idx, attr) in attributes.iter() {
179 llvm::LLVMAddCallSiteAttribute(v, idx as c_uint, attr);
185 pub fn unreachable(&self) {
186 self.count_insn("unreachable");
188 llvm::LLVMBuildUnreachable(self.llbuilder);
193 pub fn add(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
194 self.count_insn("add");
196 llvm::LLVMBuildAdd(self.llbuilder, lhs, rhs, noname())
200 pub fn nswadd(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
201 self.count_insn("nswadd");
203 llvm::LLVMBuildNSWAdd(self.llbuilder, lhs, rhs, noname())
207 pub fn nuwadd(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
208 self.count_insn("nuwadd");
210 llvm::LLVMBuildNUWAdd(self.llbuilder, lhs, rhs, noname())
214 pub fn fadd(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
215 self.count_insn("fadd");
217 llvm::LLVMBuildFAdd(self.llbuilder, lhs, rhs, noname())
221 pub fn sub(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
222 self.count_insn("sub");
224 llvm::LLVMBuildSub(self.llbuilder, lhs, rhs, noname())
228 pub fn nswsub(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
229 self.count_insn("nwsub");
231 llvm::LLVMBuildNSWSub(self.llbuilder, lhs, rhs, noname())
235 pub fn nuwsub(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
236 self.count_insn("nuwsub");
238 llvm::LLVMBuildNUWSub(self.llbuilder, lhs, rhs, noname())
242 pub fn fsub(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
243 self.count_insn("sub");
245 llvm::LLVMBuildFSub(self.llbuilder, lhs, rhs, noname())
249 pub fn mul(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
250 self.count_insn("mul");
252 llvm::LLVMBuildMul(self.llbuilder, lhs, rhs, noname())
256 pub fn nswmul(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
257 self.count_insn("nswmul");
259 llvm::LLVMBuildNSWMul(self.llbuilder, lhs, rhs, noname())
263 pub fn nuwmul(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
264 self.count_insn("nuwmul");
266 llvm::LLVMBuildNUWMul(self.llbuilder, lhs, rhs, noname())
270 pub fn fmul(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
271 self.count_insn("fmul");
273 llvm::LLVMBuildFMul(self.llbuilder, lhs, rhs, noname())
277 pub fn udiv(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
278 self.count_insn("udiv");
280 llvm::LLVMBuildUDiv(self.llbuilder, lhs, rhs, noname())
284 pub fn sdiv(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
285 self.count_insn("sdiv");
287 llvm::LLVMBuildSDiv(self.llbuilder, lhs, rhs, noname())
291 pub fn exactsdiv(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
292 self.count_insn("exactsdiv");
294 llvm::LLVMBuildExactSDiv(self.llbuilder, lhs, rhs, noname())
298 pub fn fdiv(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
299 self.count_insn("fdiv");
301 llvm::LLVMBuildFDiv(self.llbuilder, lhs, rhs, noname())
305 pub fn urem(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
306 self.count_insn("urem");
308 llvm::LLVMBuildURem(self.llbuilder, lhs, rhs, noname())
312 pub fn srem(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
313 self.count_insn("srem");
315 llvm::LLVMBuildSRem(self.llbuilder, lhs, rhs, noname())
319 pub fn frem(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
320 self.count_insn("frem");
322 llvm::LLVMBuildFRem(self.llbuilder, lhs, rhs, noname())
326 pub fn shl(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
327 self.count_insn("shl");
329 llvm::LLVMBuildShl(self.llbuilder, lhs, rhs, noname())
333 pub fn lshr(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
334 self.count_insn("lshr");
336 llvm::LLVMBuildLShr(self.llbuilder, lhs, rhs, noname())
340 pub fn ashr(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
341 self.count_insn("ashr");
343 llvm::LLVMBuildAShr(self.llbuilder, lhs, rhs, noname())
347 pub fn and(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
348 self.count_insn("and");
350 llvm::LLVMBuildAnd(self.llbuilder, lhs, rhs, noname())
354 pub fn or(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
355 self.count_insn("or");
357 llvm::LLVMBuildOr(self.llbuilder, lhs, rhs, noname())
361 pub fn xor(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
362 self.count_insn("xor");
364 llvm::LLVMBuildXor(self.llbuilder, lhs, rhs, noname())
368 pub fn binop(&self, op: Opcode, lhs: ValueRef, rhs: ValueRef)
370 self.count_insn("binop");
372 llvm::LLVMBuildBinOp(self.llbuilder, op, lhs, rhs, noname())
376 pub fn neg(&self, v: ValueRef) -> ValueRef {
377 self.count_insn("neg");
379 llvm::LLVMBuildNeg(self.llbuilder, v, noname())
383 pub fn nswneg(&self, v: ValueRef) -> ValueRef {
384 self.count_insn("nswneg");
386 llvm::LLVMBuildNSWNeg(self.llbuilder, v, noname())
390 pub fn nuwneg(&self, v: ValueRef) -> ValueRef {
391 self.count_insn("nuwneg");
393 llvm::LLVMBuildNUWNeg(self.llbuilder, v, noname())
396 pub fn fneg(&self, v: ValueRef) -> ValueRef {
397 self.count_insn("fneg");
399 llvm::LLVMBuildFNeg(self.llbuilder, v, noname())
403 pub fn not(&self, v: ValueRef) -> ValueRef {
404 self.count_insn("not");
406 llvm::LLVMBuildNot(self.llbuilder, v, noname())
411 pub fn malloc(&self, ty: Type) -> ValueRef {
412 self.count_insn("malloc");
414 llvm::LLVMBuildMalloc(self.llbuilder, ty.to_ref(), noname())
418 pub fn array_malloc(&self, ty: Type, val: ValueRef) -> ValueRef {
419 self.count_insn("arraymalloc");
421 llvm::LLVMBuildArrayMalloc(self.llbuilder, ty.to_ref(), val, noname())
425 pub fn alloca(&self, ty: Type, name: &str) -> ValueRef {
426 self.count_insn("alloca");
429 llvm::LLVMBuildAlloca(self.llbuilder, ty.to_ref(), noname())
431 name.with_c_str(|c| {
432 llvm::LLVMBuildAlloca(self.llbuilder, ty.to_ref(), c)
438 pub fn array_alloca(&self, ty: Type, val: ValueRef) -> ValueRef {
439 self.count_insn("arrayalloca");
441 llvm::LLVMBuildArrayAlloca(self.llbuilder, ty.to_ref(), val, noname())
445 pub fn free(&self, ptr: ValueRef) {
446 self.count_insn("free");
448 llvm::LLVMBuildFree(self.llbuilder, ptr);
452 pub fn load(&self, ptr: ValueRef) -> ValueRef {
453 self.count_insn("load");
455 llvm::LLVMBuildLoad(self.llbuilder, ptr, noname())
459 pub fn volatile_load(&self, ptr: ValueRef) -> ValueRef {
460 self.count_insn("load.volatile");
462 let insn = llvm::LLVMBuildLoad(self.llbuilder, ptr, noname());
463 llvm::LLVMSetVolatile(insn, lib::llvm::True);
468 pub fn atomic_load(&self, ptr: ValueRef, order: AtomicOrdering) -> ValueRef {
469 self.count_insn("load.atomic");
471 let ty = Type::from_ref(llvm::LLVMTypeOf(ptr));
472 let align = llalign_of_pref(self.ccx, ty.element_type());
473 llvm::LLVMBuildAtomicLoad(self.llbuilder, ptr, noname(), order,
479 pub fn load_range_assert(&self, ptr: ValueRef, lo: c_ulonglong,
480 hi: c_ulonglong, signed: lib::llvm::Bool) -> ValueRef {
481 let value = self.load(ptr);
484 let t = llvm::LLVMGetElementType(llvm::LLVMTypeOf(ptr));
485 let min = llvm::LLVMConstInt(t, lo, signed);
486 let max = llvm::LLVMConstInt(t, hi, signed);
490 llvm::LLVMSetMetadata(value, lib::llvm::MD_range as c_uint,
491 llvm::LLVMMDNodeInContext(self.ccx.llcx,
492 v.as_ptr(), v.len() as c_uint));
498 pub fn store(&self, val: ValueRef, ptr: ValueRef) {
499 debug!("Store {} -> {}",
500 self.ccx.tn.val_to_str(val),
501 self.ccx.tn.val_to_str(ptr));
502 assert!(self.llbuilder.is_not_null());
503 self.count_insn("store");
505 llvm::LLVMBuildStore(self.llbuilder, val, ptr);
509 pub fn volatile_store(&self, val: ValueRef, ptr: ValueRef) {
510 debug!("Store {} -> {}",
511 self.ccx.tn.val_to_str(val),
512 self.ccx.tn.val_to_str(ptr));
513 assert!(self.llbuilder.is_not_null());
514 self.count_insn("store.volatile");
516 let insn = llvm::LLVMBuildStore(self.llbuilder, val, ptr);
517 llvm::LLVMSetVolatile(insn, lib::llvm::True);
521 pub fn atomic_store(&self, val: ValueRef, ptr: ValueRef, order: AtomicOrdering) {
522 debug!("Store {} -> {}",
523 self.ccx.tn.val_to_str(val),
524 self.ccx.tn.val_to_str(ptr));
525 self.count_insn("store.atomic");
527 let ty = Type::from_ref(llvm::LLVMTypeOf(ptr));
528 let align = llalign_of_pref(self.ccx, ty.element_type());
529 llvm::LLVMBuildAtomicStore(self.llbuilder, val, ptr, order, align as c_uint);
533 pub fn gep(&self, ptr: ValueRef, indices: &[ValueRef]) -> ValueRef {
534 self.count_insn("gep");
536 llvm::LLVMBuildGEP(self.llbuilder, ptr, indices.as_ptr(),
537 indices.len() as c_uint, noname())
541 // Simple wrapper around GEP that takes an array of ints and wraps them
544 pub fn gepi(&self, base: ValueRef, ixs: &[uint]) -> ValueRef {
545 // Small vector optimization. This should catch 100% of the cases that
548 let mut small_vec = [ C_i32(self.ccx, 0), ..16 ];
549 for (small_vec_e, &ix) in small_vec.mut_iter().zip(ixs.iter()) {
550 *small_vec_e = C_i32(self.ccx, ix as i32);
552 self.inbounds_gep(base, small_vec.slice(0, ixs.len()))
554 let v = ixs.iter().map(|i| C_i32(self.ccx, *i as i32)).collect::<Vec<ValueRef>>();
555 self.count_insn("gepi");
556 self.inbounds_gep(base, v.as_slice())
560 pub fn inbounds_gep(&self, ptr: ValueRef, indices: &[ValueRef]) -> ValueRef {
561 self.count_insn("inboundsgep");
563 llvm::LLVMBuildInBoundsGEP(
564 self.llbuilder, ptr, indices.as_ptr(), indices.len() as c_uint, noname())
568 pub fn struct_gep(&self, ptr: ValueRef, idx: uint) -> ValueRef {
569 self.count_insn("structgep");
571 llvm::LLVMBuildStructGEP(self.llbuilder, ptr, idx as c_uint, noname())
575 pub fn global_string(&self, _str: *const c_char) -> ValueRef {
576 self.count_insn("globalstring");
578 llvm::LLVMBuildGlobalString(self.llbuilder, _str, noname())
582 pub fn global_string_ptr(&self, _str: *const c_char) -> ValueRef {
583 self.count_insn("globalstringptr");
585 llvm::LLVMBuildGlobalStringPtr(self.llbuilder, _str, noname())
590 pub fn trunc(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
591 self.count_insn("trunc");
593 llvm::LLVMBuildTrunc(self.llbuilder, val, dest_ty.to_ref(), noname())
597 pub fn zext(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
598 self.count_insn("zext");
600 llvm::LLVMBuildZExt(self.llbuilder, val, dest_ty.to_ref(), noname())
604 pub fn sext(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
605 self.count_insn("sext");
607 llvm::LLVMBuildSExt(self.llbuilder, val, dest_ty.to_ref(), noname())
611 pub fn fptoui(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
612 self.count_insn("fptoui");
614 llvm::LLVMBuildFPToUI(self.llbuilder, val, dest_ty.to_ref(), noname())
618 pub fn fptosi(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
619 self.count_insn("fptosi");
621 llvm::LLVMBuildFPToSI(self.llbuilder, val, dest_ty.to_ref(),noname())
625 pub fn uitofp(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
626 self.count_insn("uitofp");
628 llvm::LLVMBuildUIToFP(self.llbuilder, val, dest_ty.to_ref(), noname())
632 pub fn sitofp(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
633 self.count_insn("sitofp");
635 llvm::LLVMBuildSIToFP(self.llbuilder, val, dest_ty.to_ref(), noname())
639 pub fn fptrunc(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
640 self.count_insn("fptrunc");
642 llvm::LLVMBuildFPTrunc(self.llbuilder, val, dest_ty.to_ref(), noname())
646 pub fn fpext(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
647 self.count_insn("fpext");
649 llvm::LLVMBuildFPExt(self.llbuilder, val, dest_ty.to_ref(), noname())
653 pub fn ptrtoint(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
654 self.count_insn("ptrtoint");
656 llvm::LLVMBuildPtrToInt(self.llbuilder, val, dest_ty.to_ref(), noname())
660 pub fn inttoptr(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
661 self.count_insn("inttoptr");
663 llvm::LLVMBuildIntToPtr(self.llbuilder, val, dest_ty.to_ref(), noname())
667 pub fn bitcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
668 self.count_insn("bitcast");
670 llvm::LLVMBuildBitCast(self.llbuilder, val, dest_ty.to_ref(), noname())
674 pub fn zext_or_bitcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
675 self.count_insn("zextorbitcast");
677 llvm::LLVMBuildZExtOrBitCast(self.llbuilder, val, dest_ty.to_ref(), noname())
681 pub fn sext_or_bitcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
682 self.count_insn("sextorbitcast");
684 llvm::LLVMBuildSExtOrBitCast(self.llbuilder, val, dest_ty.to_ref(), noname())
688 pub fn trunc_or_bitcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
689 self.count_insn("truncorbitcast");
691 llvm::LLVMBuildTruncOrBitCast(self.llbuilder, val, dest_ty.to_ref(), noname())
695 pub fn cast(&self, op: Opcode, val: ValueRef, dest_ty: Type) -> ValueRef {
696 self.count_insn("cast");
698 llvm::LLVMBuildCast(self.llbuilder, op, val, dest_ty.to_ref(), noname())
702 pub fn pointercast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
703 self.count_insn("pointercast");
705 llvm::LLVMBuildPointerCast(self.llbuilder, val, dest_ty.to_ref(), noname())
709 pub fn intcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
710 self.count_insn("intcast");
712 llvm::LLVMBuildIntCast(self.llbuilder, val, dest_ty.to_ref(), noname())
716 pub fn fpcast(&self, val: ValueRef, dest_ty: Type) -> ValueRef {
717 self.count_insn("fpcast");
719 llvm::LLVMBuildFPCast(self.llbuilder, val, dest_ty.to_ref(), noname())
725 pub fn icmp(&self, op: IntPredicate, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
726 self.count_insn("icmp");
728 llvm::LLVMBuildICmp(self.llbuilder, op as c_uint, lhs, rhs, noname())
732 pub fn fcmp(&self, op: RealPredicate, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
733 self.count_insn("fcmp");
735 llvm::LLVMBuildFCmp(self.llbuilder, op as c_uint, lhs, rhs, noname())
739 /* Miscellaneous instructions */
740 pub fn empty_phi(&self, ty: Type) -> ValueRef {
741 self.count_insn("emptyphi");
743 llvm::LLVMBuildPhi(self.llbuilder, ty.to_ref(), noname())
747 pub fn phi(&self, ty: Type, vals: &[ValueRef], bbs: &[BasicBlockRef]) -> ValueRef {
748 assert_eq!(vals.len(), bbs.len());
749 let phi = self.empty_phi(ty);
750 self.count_insn("addincoming");
752 llvm::LLVMAddIncoming(phi, vals.as_ptr(),
754 vals.len() as c_uint);
759 pub fn add_span_comment(&self, sp: Span, text: &str) {
760 if self.ccx.sess().asm_comments() {
761 let s = format!("{} ({})",
763 self.ccx.sess().codemap().span_to_str(sp));
764 debug!("{}", s.as_slice());
765 self.add_comment(s.as_slice());
769 pub fn add_comment(&self, text: &str) {
770 if self.ccx.sess().asm_comments() {
771 let sanitized = text.replace("$", "");
772 let comment_text = format!("{} {}", "#",
773 sanitized.replace("\n", "\n\t# "));
774 self.count_insn("inlineasm");
775 let asm = comment_text.as_slice().with_c_str(|c| {
777 llvm::LLVMConstInlineAsm(Type::func([], &Type::void(self.ccx)).to_ref(),
778 c, noname(), False, False)
781 self.call(asm, [], []);
785 pub fn inline_asm_call(&self, asm: *const c_char, cons: *const c_char,
786 inputs: &[ValueRef], output: Type,
787 volatile: bool, alignstack: bool,
788 dia: AsmDialect) -> ValueRef {
789 self.count_insn("inlineasm");
791 let volatile = if volatile { lib::llvm::True }
792 else { lib::llvm::False };
793 let alignstack = if alignstack { lib::llvm::True }
794 else { lib::llvm::False };
796 let argtys = inputs.iter().map(|v| {
797 debug!("Asm Input Type: {:?}", self.ccx.tn.val_to_str(*v));
799 }).collect::<Vec<_>>();
801 debug!("Asm Output Type: {:?}", self.ccx.tn.type_to_str(output));
802 let fty = Type::func(argtys.as_slice(), &output);
804 let v = llvm::LLVMInlineAsm(
805 fty.to_ref(), asm, cons, volatile, alignstack, dia as c_uint);
806 self.call(v, inputs, [])
810 pub fn call(&self, llfn: ValueRef, args: &[ValueRef],
811 attributes: &[(uint, u64)]) -> ValueRef {
812 self.count_insn("call");
814 debug!("Call {} with args ({})",
815 self.ccx.tn.val_to_str(llfn),
817 .map(|&v| self.ccx.tn.val_to_str(v))
818 .collect::<Vec<String>>()
822 let v = llvm::LLVMBuildCall(self.llbuilder, llfn, args.as_ptr(),
823 args.len() as c_uint, noname());
824 for &(idx, attr) in attributes.iter() {
825 llvm::LLVMAddCallSiteAttribute(v, idx as c_uint, attr);
831 pub fn call_with_conv(&self, llfn: ValueRef, args: &[ValueRef],
832 conv: CallConv, attributes: &[(uint, u64)]) -> ValueRef {
833 self.count_insn("callwithconv");
834 let v = self.call(llfn, args, attributes);
835 lib::llvm::SetInstructionCallConv(v, conv);
839 pub fn select(&self, cond: ValueRef, then_val: ValueRef, else_val: ValueRef) -> ValueRef {
840 self.count_insn("select");
842 llvm::LLVMBuildSelect(self.llbuilder, cond, then_val, else_val, noname())
846 pub fn va_arg(&self, list: ValueRef, ty: Type) -> ValueRef {
847 self.count_insn("vaarg");
849 llvm::LLVMBuildVAArg(self.llbuilder, list, ty.to_ref(), noname())
853 pub fn extract_element(&self, vec: ValueRef, idx: ValueRef) -> ValueRef {
854 self.count_insn("extractelement");
856 llvm::LLVMBuildExtractElement(self.llbuilder, vec, idx, noname())
860 pub fn insert_element(&self, vec: ValueRef, elt: ValueRef, idx: ValueRef) -> ValueRef {
861 self.count_insn("insertelement");
863 llvm::LLVMBuildInsertElement(self.llbuilder, vec, elt, idx, noname())
867 pub fn shuffle_vector(&self, v1: ValueRef, v2: ValueRef, mask: ValueRef) -> ValueRef {
868 self.count_insn("shufflevector");
870 llvm::LLVMBuildShuffleVector(self.llbuilder, v1, v2, mask, noname())
874 pub fn vector_splat(&self, num_elts: uint, elt: ValueRef) -> ValueRef {
876 let elt_ty = val_ty(elt);
877 let undef = llvm::LLVMGetUndef(Type::vector(&elt_ty, num_elts as u64).to_ref());
878 let vec = self.insert_element(undef, elt, C_i32(self.ccx, 0));
879 let vec_i32_ty = Type::vector(&Type::i32(self.ccx), num_elts as u64);
880 self.shuffle_vector(vec, undef, C_null(vec_i32_ty))
884 pub fn extract_value(&self, agg_val: ValueRef, idx: uint) -> ValueRef {
885 self.count_insn("extractvalue");
887 llvm::LLVMBuildExtractValue(self.llbuilder, agg_val, idx as c_uint, noname())
891 pub fn insert_value(&self, agg_val: ValueRef, elt: ValueRef,
892 idx: uint) -> ValueRef {
893 self.count_insn("insertvalue");
895 llvm::LLVMBuildInsertValue(self.llbuilder, agg_val, elt, idx as c_uint,
900 pub fn is_null(&self, val: ValueRef) -> ValueRef {
901 self.count_insn("isnull");
903 llvm::LLVMBuildIsNull(self.llbuilder, val, noname())
907 pub fn is_not_null(&self, val: ValueRef) -> ValueRef {
908 self.count_insn("isnotnull");
910 llvm::LLVMBuildIsNotNull(self.llbuilder, val, noname())
914 pub fn ptrdiff(&self, lhs: ValueRef, rhs: ValueRef) -> ValueRef {
915 self.count_insn("ptrdiff");
917 llvm::LLVMBuildPtrDiff(self.llbuilder, lhs, rhs, noname())
923 let bb: BasicBlockRef = llvm::LLVMGetInsertBlock(self.llbuilder);
924 let fn_: ValueRef = llvm::LLVMGetBasicBlockParent(bb);
925 let m: ModuleRef = llvm::LLVMGetGlobalParent(fn_);
926 let t: ValueRef = "llvm.trap".with_c_str(|buf| {
927 llvm::LLVMGetNamedFunction(m, buf)
929 assert!((t as int != 0));
930 let args: &[ValueRef] = [];
931 self.count_insn("trap");
933 self.llbuilder, t, args.as_ptr(), args.len() as c_uint, noname());
937 pub fn landing_pad(&self, ty: Type, pers_fn: ValueRef, num_clauses: uint) -> ValueRef {
938 self.count_insn("landingpad");
940 llvm::LLVMBuildLandingPad(
941 self.llbuilder, ty.to_ref(), pers_fn, num_clauses as c_uint, noname())
945 pub fn set_cleanup(&self, landing_pad: ValueRef) {
946 self.count_insn("setcleanup");
948 llvm::LLVMSetCleanup(landing_pad, lib::llvm::True);
952 pub fn resume(&self, exn: ValueRef) -> ValueRef {
953 self.count_insn("resume");
955 llvm::LLVMBuildResume(self.llbuilder, exn)
960 pub fn atomic_cmpxchg(&self, dst: ValueRef,
961 cmp: ValueRef, src: ValueRef,
962 order: AtomicOrdering,
963 failure_order: AtomicOrdering) -> ValueRef {
965 llvm::LLVMBuildAtomicCmpXchg(self.llbuilder, dst, cmp, src,
966 order, failure_order)
969 pub fn atomic_rmw(&self, op: AtomicBinOp,
970 dst: ValueRef, src: ValueRef,
971 order: AtomicOrdering) -> ValueRef {
973 llvm::LLVMBuildAtomicRMW(self.llbuilder, op, dst, src, order, False)
977 pub fn atomic_fence(&self, order: AtomicOrdering) {
979 llvm::LLVMBuildAtomicFence(self.llbuilder, order);