[cfe-commits] r114502 - in /cfe/trunk: lib/CodeGen/CGBuiltin.cpp test/CodeGen/atomic.c

Chris Lattner sabre at nondot.org
Tue Sep 21 16:35:30 PDT 2010


Author: lattner
Date: Tue Sep 21 18:35:30 2010
New Revision: 114502

URL: http://llvm.org/viewvc/llvm-project?rev=114502&view=rev
Log:
same bug as before, this time with __sync_val_compare_and_swap.

Modified:
    cfe/trunk/lib/CodeGen/CGBuiltin.cpp
    cfe/trunk/test/CodeGen/atomic.c

Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=114502&r1=114501&r2=114502&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Tue Sep 21 18:35:30 2010
@@ -35,7 +35,7 @@
   Value *C[5] = { LoadLoad ? True : False,
                   LoadStore ? True : False,
                   StoreLoad ? True : False,
-                  StoreStore  ? True : False,
+                  StoreStore ? True : False,
                   Device ? True : False };
   CGF.Builder.CreateCall(CGF.CGM.getIntrinsic(Intrinsic::memory_barrier),
                          C, C + 5);
@@ -788,16 +788,18 @@
   case Builtin::BI__sync_val_compare_and_swap_4:
   case Builtin::BI__sync_val_compare_and_swap_8:
   case Builtin::BI__sync_val_compare_and_swap_16: {
+    llvm::Value *DestPtr = CGF.EmitScalarExpr(E->getArg(0));
+    unsigned AddrSpace =
+      cast<llvm::PointerType>(DestPtr->getType())->getAddressSpace();;
     const llvm::Type *ValueType =
       llvm::IntegerType::get(CGF.getLLVMContext(),
                              CGF.getContext().getTypeSize(E->getType()));
-    const llvm::Type *PtrType = ValueType->getPointerTo();
+    const llvm::Type *PtrType = ValueType->getPointerTo(AddrSpace);
     const llvm::Type *IntrinsicTypes[2] = { ValueType, PtrType };
     Value *AtomF = CGM.getIntrinsic(Intrinsic::atomic_cmp_swap,
                                     IntrinsicTypes, 2);
 
-    Value *Args[3] = { Builder.CreateBitCast(CGF.EmitScalarExpr(E->getArg(0)),
-                                             PtrType),
+    Value *Args[3] = { Builder.CreateBitCast(DestPtr, PtrType),
                        EmitCastToInt(CGF, ValueType,
                                      CGF.EmitScalarExpr(E->getArg(1))),
                        EmitCastToInt(CGF, ValueType,

Modified: cfe/trunk/test/CodeGen/atomic.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/atomic.c?rev=114502&r1=114501&r2=114502&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/atomic.c (original)
+++ cfe/trunk/test/CodeGen/atomic.c Tue Sep 21 18:35:30 2010
@@ -134,7 +134,13 @@
 void addrspace(int  __attribute__((address_space(256))) * P) {
   __sync_bool_compare_and_swap(P, 0, 1);
   // CHECK: call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 true)
-  // CHECK: call i32 @llvm.atomic.cmp.swap.i32.p256i32(i32 addrspace(256)* %tmp, i32 0, i32 1)
+  // CHECK: call i32 @llvm.atomic.cmp.swap.i32.p256i32(i32 addrspace(256)*{{.*}}, i32 0, i32 1)
+  // CHECK: call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 true)
+  
+  
+  __sync_val_compare_and_swap(P, 0, 1);
+  // CHECK: call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 true)
+  // CHECK: call i32 @llvm.atomic.cmp.swap.i32.p256i32(i32 addrspace(256)*{{.*}}, i32 0, i32 1)
   // CHECK: call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 true)
 }
 





More information about the cfe-commits mailing list