commit a999a511f782badfbfe98f1cdf7e92d4824f7a46
author Eli Friedman <eli.friedman@gmail.com> Wed Jun 17 02:57:36 2009 +0000
committer Eli Friedman <eli.friedman@gmail.com> Wed Jun 17 02:57:36 2009 +0000
tree 5dfed37e58f5c1e478219374981edd9730493e02
parent 63dc3180859023e091cb2524a905034a74f51ffb

PR3439: Correct a silly mistake in the SimplifyDemandedUseBits code for 
SRem.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73598 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/InstructionCombining.cpp

diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index 8dc8659..170b476 100644
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -1336,7 +1336,7 @@
     if (ConstantInt *Rem = dyn_cast<ConstantInt>(I->getOperand(1))) {
       APInt RA = Rem->getValue().abs();
       if (RA.isPowerOf2()) {
-        if (DemandedMask.ule(RA))    // srem won't affect demanded bits
+        if (DemandedMask.ult(RA))    // srem won't affect demanded bits
           return I->getOperand(0);
 
         APInt LowBits = RA - 1;