[LLVM-C] Add binding to look up intrinsic by name

Summary: Add a binding to Function::lookupIntrinsicID so clients don't have to go searching the ID table themselves.

Reviewers: whitequark, deadalnix

Reviewed By: whitequark

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D59697

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@356948 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm-c/Core.h b/include/llvm-c/Core.h
index 9c52189..393250f 100644 (file)
--- a/include/llvm-c/Core.h
+++ b/include/llvm-c/Core.h
@@ -2403,6 +2403,13 @@ LLVMValueRef LLVMGetPersonalityFn(LLVMValueRef Fn);
 void LLVMSetPersonalityFn(LLVMValueRef Fn, LLVMValueRef PersonalityFn);
 
 /**
+ * Obtain the intrinsic ID number which matches the given function name.
+ *
+ * @see llvm::Function::lookupIntrinsicID()
+ */
+unsigned LLVMLookupIntrinsicID(const char *Name, size_t NameLen);
+
+/**
  * Obtain the ID number from a function instance.
  *
  * @see llvm::Function::getIntrinsicID()

diff --git a/lib/IR/Core.cpp b/lib/IR/Core.cpp
index 1b8ad48..aa6bc54 100644 (file)
--- a/lib/IR/Core.cpp
+++ b/lib/IR/Core.cpp
@@ -2329,6 +2329,10 @@ const char *LLVMIntrinsicCopyOverloadedName(unsigned ID,
   return strdup(Str.c_str());
 }
 
+unsigned LLVMLookupIntrinsicID(const char *Name, size_t NameLen) {
+  return Function::lookupIntrinsicID({Name, NameLen});
+}
+
 LLVMBool LLVMIntrinsicIsOverloaded(unsigned ID) {
   auto IID = llvm_map_to_intrinsic_id(ID);
   return llvm::Intrinsic::isOverloaded(IID);