commit 9736028d84de3a72dd8db5f49cfaa07280154a0e
author Dan Gohman <gohman@apple.com> Tue Mar 11 21:29:43 2008 +0000
committer Dan Gohman <gohman@apple.com> Tue Mar 11 21:29:43 2008 +0000
tree ab1d29c427b19d25a51eedc3f5ed09c0df602477
parent ef5d194aaa7d09937759447bceca0ff80bee1261

Use the correct value for InSignBit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48245 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/SelectionDAG/TargetLowering.cpp

diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 90887a0..805ef47 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -892,7 +892,7 @@
     MVT::ValueType InVT = Op.getOperand(0).getValueType();
     unsigned InBits = MVT::getSizeInBits(InVT);
     APInt InMask    = APInt::getLowBitsSet(BitWidth, InBits);
-    APInt InSignBit = APInt::getLowBitsSet(BitWidth, InBits);
+    APInt InSignBit = APInt::getBitsSet(BitWidth, InBits - 1, InBits);
     APInt NewBits   = ~InMask & NewMask;
     
     // If none of the top bits are demanded, convert this into an any_extend.