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1 | //===-- IR/Statepoint.cpp -- gc.statepoint utilities --- -----------------===// |
2 | // | |
3 | // The LLVM Compiler Infrastructure | |
4 | // | |
5 | // This file is distributed under the University of Illinois Open Source | |
6 | // License. See LICENSE.TXT for details. | |
7 | // | |
8 | //===----------------------------------------------------------------------===// | |
9 | // | |
10 | // | |
11 | //===----------------------------------------------------------------------===// | |
12 | ||
13 | #include "llvm/IR/Function.h" | |
14 | #include "llvm/IR/Constant.h" | |
15 | #include "llvm/IR/Constants.h" | |
16 | #include "llvm/IR/Statepoint.h" | |
17 | #include "llvm/Support/CommandLine.h" | |
18 | ||
19 | using namespace std; | |
20 | using namespace llvm; | |
21 | ||
22 | bool llvm::isStatepoint(const ImmutableCallSite &CS) { | |
23 | const Function *F = CS.getCalledFunction(); | |
24 | return (F && F->getIntrinsicID() == Intrinsic::experimental_gc_statepoint); | |
25 | } | |
26 | bool llvm::isStatepoint(const Instruction *inst) { | |
27 | if (isa<InvokeInst>(inst) || isa<CallInst>(inst)) { | |
28 | ImmutableCallSite CS(inst); | |
29 | return isStatepoint(CS); | |
30 | } | |
31 | return false; | |
32 | } | |
33 | bool llvm::isStatepoint(const Instruction &inst) { | |
34 | return isStatepoint(&inst); | |
35 | } | |
36 | ||
37 | bool llvm::isGCRelocate(const ImmutableCallSite &CS) { | |
38 | return isGCRelocate(CS.getInstruction()); | |
39 | } | |
40 | bool llvm::isGCRelocate(const Instruction *inst) { | |
41 | if (const CallInst *call = dyn_cast<CallInst>(inst)) { | |
42 | if (const Function *F = call->getCalledFunction()) { | |
43 | return F->getIntrinsicID() == Intrinsic::experimental_gc_relocate; | |
44 | } | |
45 | } | |
46 | return false; | |
47 | } | |
48 | ||
49 | bool llvm::isGCResult(const ImmutableCallSite &CS) { | |
50 | return isGCResult(CS.getInstruction()); | |
51 | } | |
52 | bool llvm::isGCResult(const Instruction *inst) { | |
53 | if (const CallInst *call = dyn_cast<CallInst>(inst)) { | |
54 | if (Function *F = call->getCalledFunction()) { | |
55 | return (F->getIntrinsicID() == Intrinsic::experimental_gc_result_int || | |
56 | F->getIntrinsicID() == Intrinsic::experimental_gc_result_float || | |
57 | F->getIntrinsicID() == Intrinsic::experimental_gc_result_ptr); | |
58 | } | |
59 | } | |
60 | return false; | |
61 | } |