[llvm-commits] [llvm] r153238 - in /llvm/trunk: include/llvm-c/Core.h lib/VMCore/Core.cpp

[Chris Lattner]

Author: lattner
Date: Wed Mar 21 22:54:15 2012
New Revision: 153238

URL: http://llvm.org/viewvc/llvm-project?rev=153238&view=rev
Log:
add load/store volatility control to the C API, patch by Yiannis Tsiouris!

Modified:
    llvm/trunk/include/llvm-c/Core.h
    llvm/trunk/lib/VMCore/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=153238&r1=153237&r2=153238&view=diff
==============================================================================
--- llvm/trunk/include/llvm-c/Core.h (original)
+++ llvm/trunk/include/llvm-c/Core.h Wed Mar 21 22:54:15 2012
@@ -2398,6 +2398,8 @@
                                    const char *Name);
 LLVMValueRef LLVMBuildGlobalStringPtr(LLVMBuilderRef B, const char *Str,
                                       const char *Name);
+LLVMBool LLVMGetVolatile(LLVMValueRef MemoryAccessInst);
+void LLVMSetVolatile(LLVMValueRef MemoryAccessInst, LLVMBool IsVolatile);
 
 /* Casts */
 LLVMValueRef LLVMBuildTrunc(LLVMBuilderRef, LLVMValueRef Val,

Modified: llvm/trunk/lib/VMCore/Core.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/Core.cpp?rev=153238&r1=153237&r2=153238&view=diff
==============================================================================
--- llvm/trunk/lib/VMCore/Core.cpp (original)
+++ llvm/trunk/lib/VMCore/Core.cpp Wed Mar 21 22:54:15 2012
@@ -2066,6 +2066,20 @@
   return wrap(unwrap(B)->CreateGlobalStringPtr(Str, Name));
 }
 
+LLVMBool LLVMGetVolatile(LLVMValueRef MemAccessInst) {
+  Value *P = unwrap<Value>(MemAccessInst);
+  if (LoadInst *LI = dyn_cast<LoadInst>(P))
+    return LI->isVolatile();
+  return cast<StoreInst>(P)->isVolatile();
+}
+
+void LLVMSetVolatile(LLVMValueRef MemAccessInst, LLVMBool isVolatile) {
+  Value *P = unwrap<Value>(MemAccessInst);
+  if (LoadInst *LI = dyn_cast<LoadInst>(P))
+    return LI->setVolatile(isVolatile);
+  return cast<StoreInst>(P)->setVolatile(isVolatile);
+}
+
 /*--.. Casts ...............................................................--*/
 
 LLVMValueRef LLVMBuildTrunc(LLVMBuilderRef B, LLVMValueRef Val,