[llvm] r260313 - Add C binding for AllocaInst::getAllocatedType

[Amaury Sechet via llvm-commits]

Author: deadalnix
Date: Tue Feb  9 16:50:53 2016
New Revision: 260313

URL: http://llvm.org/viewvc/llvm-project?rev=260313&view=rev
Log:
Add C binding for AllocaInst::getAllocatedType

Summary:
Comes with an awesome test.

Depends on D16912

Reviewers: bogner, chandlerc, echristo, dblaikie, joker.eph, Wallbraker

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D16942

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

Modified: llvm/trunk/include/llvm-c/Core.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm-c/Core.h?rev=260313&r1=260312&r2=260313&view=diff
==============================================================================
--- llvm/trunk/include/llvm-c/Core.h (original)
+++ llvm/trunk/include/llvm-c/Core.h Tue Feb  9 16:50:53 2016
@@ -2506,6 +2506,24 @@ LLVMBasicBlockRef LLVMGetSwitchDefaultDe
  */
 
 /**
+ * @defgroup LLVMCCoreValueInstructionAlloca Allocas
+ *
+ * Functions in this group only apply to instructions that map to
+ * llvm::AllocaInst instances.
+ *
+ * @{
+ */
+
+/**
+ * Obtain the type that is being allocated by the alloca instruction.
+ */
+LLVMTypeRef LLVMGetAllocatedType(LLVMValueRef Alloca);
+
+/**
+ * @}
+ */
+
+/**
  * @defgroup LLVMCCoreValueInstructionPHINode PHI Nodes
  *
  * Functions in this group only apply to instructions that map to

Modified: llvm/trunk/lib/IR/Core.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Core.cpp?rev=260313&r1=260312&r2=260313&view=diff
==============================================================================
--- llvm/trunk/lib/IR/Core.cpp (original)
+++ llvm/trunk/lib/IR/Core.cpp Tue Feb  9 16:50:53 2016
@@ -2134,6 +2134,12 @@ LLVMBasicBlockRef LLVMGetSwitchDefaultDe
   return wrap(unwrap<SwitchInst>(Switch)->getDefaultDest());
 }
 
+/*--.. Operations on alloca instructions (only) ............................--*/
+
+LLVMTypeRef LLVMGetAllocatedType(LLVMValueRef Alloca) {
+  return wrap(unwrap<AllocaInst>(Alloca)->getAllocatedType());
+}
+
 /*--.. Operations on phi nodes .............................................--*/
 
 void LLVMAddIncoming(LLVMValueRef PhiNode, LLVMValueRef *IncomingValues,

Modified: llvm/trunk/tools/llvm-c-test/echo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-c-test/echo.cpp?rev=260313&r1=260312&r2=260313&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-c-test/echo.cpp (original)
+++ llvm/trunk/tools/llvm-c-test/echo.cpp Tue Feb  9 16:50:53 2016
@@ -306,7 +306,8 @@ struct FunCloner {
         break;
       }
       case LLVMAlloca: {
-        LLVMTypeRef Ty = LLVMGetElementType(LLVMTypeOf(Src));
+        LLVMContextRef Ctx = LLVMGetModuleContext(get_module(Builder));
+        LLVMTypeRef Ty = clone_type(LLVMGetAllocatedType(Src), Ctx);
         Dst = LLVMBuildAlloca(Builder, Ty, Name);
         break;
       }