[llvm] r343363 - [LLVM-C] Add an accessor for the "value type" of a global

[Robert Widmann via llvm-commits]

Author: codafi
Date: Fri Sep 28 13:54:29 2018
New Revision: 343363

URL: http://llvm.org/viewvc/llvm-project?rev=343363&view=rev
Log:
[LLVM-C] Add an accessor for the "value type" of a global

Summary: Before this, there was no reasonable way to retrieve the type of a global value (most notably, a function) that was created with  the C API.

Reviewers: whitequark, deadalnix

Reviewed By: whitequark

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D52659

Modified:
    llvm/trunk/include/llvm-c/Core.h
    llvm/trunk/lib/IR/Core.cpp

Modified: llvm/trunk/include/llvm-c/Core.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm-c/Core.h?rev=343363&r1=343362&r2=343363&view=diff
==============================================================================
--- llvm/trunk/include/llvm-c/Core.h (original)
+++ llvm/trunk/include/llvm-c/Core.h Fri Sep 28 13:54:29 2018
@@ -2104,6 +2104,14 @@ void LLVMSetDLLStorageClass(LLVMValueRef
 LLVMUnnamedAddr LLVMGetUnnamedAddress(LLVMValueRef Global);
 void LLVMSetUnnamedAddress(LLVMValueRef Global, LLVMUnnamedAddr UnnamedAddr);
 
+/**
+ * Returns the "value type" of a global value.  This differs from the formal
+ * type of a global value which is always a pointer type.
+ *
+ * @see llvm::GlobalValue::getValueType()
+ */
+LLVMTypeRef LLVMGlobalGetValueType(LLVMValueRef Global);
+
 /** Deprecated: Use LLVMGetUnnamedAddress instead. */
 LLVMBool LLVMHasUnnamedAddr(LLVMValueRef Global);
 /** Deprecated: Use LLVMSetUnnamedAddress instead. */

Modified: llvm/trunk/lib/IR/Core.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Core.cpp?rev=343363&r1=343362&r2=343363&view=diff
==============================================================================
--- llvm/trunk/lib/IR/Core.cpp (original)
+++ llvm/trunk/lib/IR/Core.cpp Fri Sep 28 13:54:29 2018
@@ -1876,6 +1876,10 @@ void LLVMSetUnnamedAddr(LLVMValueRef Glo
                      : GlobalValue::UnnamedAddr::None);
 }
 
+LLVMTypeRef LLVMGlobalGetValueType(LLVMValueRef Global) {
+  return wrap(unwrap<GlobalValue>(Global)->getValueType());
+}
+
 /*--.. Operations on global variables, load and store instructions .........--*/
 
 unsigned LLVMGetAlignment(LLVMValueRef V) {