clang fix for LLVM API change: isKnownNonNull -> isKnownNonZero

Differential Revision: https://reviews.llvm.org/D37628 llvm-svn: 312870
llvm · Sep 9, 2017 · 9211cee · 9211cee
1 parent 404f106
commit 9211cee
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Showing 2 changed files with 6 additions and 4 deletions.
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
@@ -3055,7 +3055,8 @@ static void emitWriteback(CodeGenFunction &CGF,
 
   // If the argument wasn't provably non-null, we need to null check
   // before doing the store.
-  bool provablyNonNull = llvm::isKnownNonNull(srcAddr.getPointer());
+  bool provablyNonNull = llvm::isKnownNonZero(srcAddr.getPointer(),
+                                              CGF.CGM.getDataLayout());
   if (!provablyNonNull) {
     llvm::BasicBlock *writebackBB = CGF.createBasicBlock("icr.writeback");
     contBB = CGF.createBasicBlock("icr.done");
@@ -3195,7 +3196,8 @@ static void emitWritebackArg(CodeGenFunction &CGF, CallArgList &args,
   // If the address is *not* known to be non-null, we need to switch.
   llvm::Value *finalArgument;
 
-  bool provablyNonNull = llvm::isKnownNonNull(srcAddr.getPointer());
+  bool provablyNonNull = llvm::isKnownNonZero(srcAddr.getPointer(),
+                                              CGF.CGM.getDataLayout());
   if (provablyNonNull) {
     finalArgument = temp.getPointer();
   } else {

diff --git a/clang/test/CodeGenCXX/microsoft-abi-dynamic-cast.cpp b/clang/test/CodeGenCXX/microsoft-abi-dynamic-cast.cpp
@@ -78,7 +78,7 @@ T* test6(B* x) { return dynamic_cast<T*>(x); }
 // CHECK-NEXT:   [[VBOFFS:%.*]] = load i32, i32* [[VBOFFP]], align 4
 // CHECK-NEXT:   [[DELTA:%.*]] = add nsw i32 [[VBOFFS]], 4
 // CHECK-NEXT:   [[ADJ:%.*]] = getelementptr inbounds i8, i8* [[CAST]], i32 [[DELTA]]
-// CHECK-NEXT:   [[CALL:%.*]] = tail call i8* @__RTDynamicCast(i8* [[ADJ]], i32 [[DELTA]], i8* {{.*}}bitcast (%rtti.TypeDescriptor7* @"\01??_R0?AUB@@@8" to i8*), i8* {{.*}}bitcast (%rtti.TypeDescriptor7* @"\01??_R0?AUT@@@8" to i8*), i32 0)
+// CHECK-NEXT:   [[CALL:%.*]] = tail call i8* @__RTDynamicCast(i8* nonnull [[ADJ]], i32 [[DELTA]], i8* {{.*}}bitcast (%rtti.TypeDescriptor7* @"\01??_R0?AUB@@@8" to i8*), i8* {{.*}}bitcast (%rtti.TypeDescriptor7* @"\01??_R0?AUT@@@8" to i8*), i32 0)
 // CHECK-NEXT:   [[RES:%.*]] = bitcast i8* [[CALL]] to %struct.T*
 // CHECK-NEXT:   br label
 // CHECK:        [[RET:%.*]] = phi %struct.T*
@@ -117,7 +117,7 @@ void* test9(B* x) { return dynamic_cast<void*>(x); }
 // CHECK-NEXT:   [[VBOFFS:%.*]] = load i32, i32* [[VBOFFP]], align 4
 // CHECK-NEXT:   [[DELTA:%.*]] = add nsw i32 [[VBOFFS]], 4
 // CHECK-NEXT:   [[ADJ:%.*]] = getelementptr inbounds i8, i8* [[CAST]], i32 [[DELTA]]
-// CHECK-NEXT:   [[CALL:%.*]] = tail call i8* @__RTCastToVoid(i8* [[ADJ]])
+// CHECK-NEXT:   [[CALL:%.*]] = tail call i8* @__RTCastToVoid(i8* nonnull [[ADJ]])
 // CHECK-NEXT:   br label
 // CHECK:        [[RET:%.*]] = phi i8*
 // CHECK-NEXT:   ret i8* [[RET]]