[FastISel][AArch64] Add target-dependent instruction selection for Add/Sub.

[oota-llvm.git] / lib / Target / AArch64 / AArch64ISelLowering.cpp

diff --git a/lib/Target/AArch64/AArch64ISelLowering.cpp b/lib/Target/AArch64/AArch64ISelLowering.cpp
index 05a6ade726229dbd32159d2a5a6f23a4f7a80712..5c7bfd8ebe2d040fd70ba8a3cf889bbbe1072eda 100644 (file)
--- a/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -7939,7 +7939,8 @@ bool checkValueWidth(SDValue V, unsigned width, ISD::LoadExtType &ExtType) {
   }
   case ISD::Constant:
   case ISD::TargetConstant: {
-    if(abs(cast<ConstantSDNode>(V.getNode())->getSExtValue()) < 1<<(width-1))
+    if (std::abs(cast<ConstantSDNode>(V.getNode())->getSExtValue()) <
+        1LL << (width - 1))
       return true;
     return false;
   }