Basic support for volatile loads and stores. Stores the volatile

qualifier in the lvalue, and changes lvalue loads/stores to honor 
the volatile flag.  Places which need some further attention are marked 
with FIXMEs.

Patch by Cédric Venet.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52264 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/CodeGen/CGDecl.cpp b/lib/CodeGen/CGDecl.cpp
index fe58ca05fe..2d30ed5746 100644
--- a/lib/CodeGen/CGDecl.cpp
+++ b/lib/CodeGen/CGDecl.cpp
@@ -208,7 +208,7 @@ void CodeGenFunction::EmitParmDecl(const ParmVarDecl &D, llvm::Value *Arg) {
                                      AllocaInsertPt);
       
       // Store the initial value into the alloca.
-      Builder.CreateStore(Arg, DeclPtr);
+      Builder.CreateStore(Arg, DeclPtr,Ty.isVolatileQualified());
     } else {
       // Otherwise, if this is an aggregate, just use the input pointer.
       DeclPtr = Arg;