r327136 - [OPENMP] Fix the address of the original variable in task reductions.

[Alexey Bataev via cfe-commits]

Author: abataev
Date: Fri Mar  9 07:20:30 2018
New Revision: 327136

URL: http://llvm.org/viewvc/llvm-project?rev=327136&view=rev
Log:
[OPENMP] Fix the address of the original variable in task reductions.

If initialization of the task reductions requires pointer to original
variable, which is stored in the threadprivate storage, we used the
address of this pointer instead.

Modified:
    cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp
    cfe/trunk/test/OpenMP/taskloop_reduction_codegen.cpp

Modified: cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp?rev=327136&r1=327135&r2=327136&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp Fri Mar  9 07:20:30 2018
@@ -5422,6 +5422,9 @@ static llvm::Value *emitReduceInitFuncti
         CGM.getOpenMPRuntime().getAddrOfArtificialThreadPrivate(
             CGF, CGM.getContext().VoidPtrTy,
             generateUniqueName(CGM, "reduction", RCG.getRefExpr(N)));
+    SharedAddr = CGF.EmitLoadOfPointer(
+        SharedAddr,
+        CGM.getContext().VoidPtrTy.castAs<PointerType>()->getTypePtr());
     SharedLVal = CGF.MakeAddrLValue(SharedAddr, CGM.getContext().VoidPtrTy);
   } else {
     SharedLVal = CGF.MakeNaturalAlignAddrLValue(

Modified: cfe/trunk/test/OpenMP/taskloop_reduction_codegen.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/taskloop_reduction_codegen.cpp?rev=327136&r1=327135&r2=327136&view=diff
==============================================================================
--- cfe/trunk/test/OpenMP/taskloop_reduction_codegen.cpp (original)
+++ cfe/trunk/test/OpenMP/taskloop_reduction_codegen.cpp Fri Mar  9 07:20:30 2018
@@ -164,7 +164,9 @@ sum = 0.0;
 
 // CHECK: define internal void @[[RED_INIT2]](i8*)
 // CHECK: call i8* @__kmpc_threadprivate_cached(
-// CHECK: call i8* @__kmpc_threadprivate_cached(
+// CHECK: [[ORIG_PTR_ADDR:%.+]] = call i8* @__kmpc_threadprivate_cached(
+// CHECK: [[ORIG_PTR_REF:%.+]] = bitcast i8* [[ORIG_PTR_ADDR]] to i8**
+// CHECK: load i8*, i8** [[ORIG_PTR_REF]],
 // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(
 // CHECK: ret void