[OPENMP50]Fix scoring of contexts with and without user provided scores.

The context selector with user provided score must have higher score
than the context selector without user provided score.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@374224 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/CGOpenMPRuntime.cpp

@@ -11187,7 +11187,7 @@ static bool greaterCtxScore(ASTContext &Ctx, const Expr *LHS, const Expr *RHS) {
     return false;
   llvm::APSInt LHSVal = LHS->EvaluateKnownConstInt(Ctx);
   llvm::APSInt RHSVal = RHS->EvaluateKnownConstInt(Ctx);
-  return llvm::APSInt::compareValues(LHSVal, RHSVal) <= 0;
+  return llvm::APSInt::compareValues(LHSVal, RHSVal) >= 0;
 }
 
 namespace {
@@ -11250,7 +11250,7 @@ static const FunctionDecl *getDeclareVariantFunction(ASTContext &Ctx,
     }
     // If the attribute matches the context, find the attribute with the highest
     // score.
-    if (SelectedAttr && (!TopMostAttr || Comparer(TopMostAttr, SelectedAttr)))
+    if (SelectedAttr && (!TopMostAttr || !Comparer(TopMostAttr, SelectedAttr)))
       TopMostAttr = SelectedAttr;
   }
   if (!TopMostAttr)

test/OpenMP/declare_variant_implementation_vendor_codegen.cpp

@@ -8,11 +8,11 @@
 // CHECK-DAG: @_ZN16SpecSpecialFuncs6MethodEv = {{.*}}alias i32 (%struct.SpecSpecialFuncs*), i32 (%struct.SpecSpecialFuncs*)* @_ZN16SpecSpecialFuncs7method_Ev
 // CHECK-DAG: @_ZN16SpecSpecialFuncs6methodEv = linkonce_odr {{.*}}alias i32 (%struct.SpecSpecialFuncs*), i32 (%struct.SpecSpecialFuncs*)* @_ZN16SpecSpecialFuncs7method_Ev
 // CHECK-DAG: @_ZN12SpecialFuncs6methodEv = linkonce_odr {{.*}}alias i32 (%struct.SpecialFuncs*), i32 (%struct.SpecialFuncs*)* @_ZN12SpecialFuncs7method_Ev
-// CHECK-DAG: @_Z5prio_v = {{.*}}alias i32 (), i32 ()* @_Z4priov
+// CHECK-DAG: @_Z5prio_v = {{.*}}alias i32 (), i32 ()* @_Z5prio1v
 // CHECK-DAG: @_ZL6prio1_v = internal alias i32 (), i32 ()* @_ZL5prio2v
 // CHECK-DAG: @_Z4callv = {{.*}}alias i32 (), i32 ()* @_Z4testv
 // CHECK-DAG: @_ZL9stat_usedv = internal alias i32 (), i32 ()* @_ZL10stat_used_v
-// CHECK-DAG: @_ZN12SpecialFuncs6MethodEv =  {{.*}}alias i32 (%struct.SpecialFuncs*), i32 (%struct.SpecialFuncs*)* @_ZN12SpecialFuncs7method_Ev
+// CHECK-DAG: @_ZN12SpecialFuncs6MethodEv = {{.*}}alias i32 (%struct.SpecialFuncs*), i32 (%struct.SpecialFuncs*)* @_ZN12SpecialFuncs7method_Ev
 // CHECK-DAG: @fn_linkage = {{.*}}alias i32 (), i32 ()* @_Z18fn_linkage_variantv
 // CHECK-DAG: @_Z11fn_linkage1v = {{.*}}alias i32 (), i32 ()* @fn_linkage_variant1
 // CHECK-DAG: declare {{.*}}i32 @_Z5bazzzv()