commit 333efc951ac476d9123cf9738315a771a728a083
author Craig Topper <craig.topper@intel.com> Thu May 10 00:53:22 2018 +0000
committer Craig Topper <craig.topper@intel.com> Thu May 10 00:53:22 2018 +0000
tree 5f0c5fa8466fc92f99cb5942e67fbc067acefbb5
parent c3f259cb6c12fb4bfdeb12348af7496e4754a9f2

[InstCombine] Use APInt::getBitsSetFrom to shortern a line and fix an 80 columns violation. NFC

Fix a similar line in the same function.

llvm-svn: 331947

llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp

diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp
index be93022..fa475b2 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp
@@ -365,7 +365,7 @@
     uint32_t OrigBitWidth = OrigTy->getScalarSizeInBits();
     uint32_t BitWidth = Ty->getScalarSizeInBits();
     if (BitWidth < OrigBitWidth) {
-      APInt Mask = APInt::getHighBitsSet(OrigBitWidth, OrigBitWidth-BitWidth);
+      APInt Mask = APInt::getBitsSetFrom(OrigBitWidth, BitWidth);
       if (IC.MaskedValueIsZero(I->getOperand(0), Mask, 0, CxtI) &&
           IC.MaskedValueIsZero(I->getOperand(1), Mask, 0, CxtI)) {
         return canEvaluateTruncated(I->getOperand(0), Ty, IC, CxtI) &&
@@ -394,7 +394,7 @@
       uint32_t OrigBitWidth = OrigTy->getScalarSizeInBits();
       uint32_t BitWidth = Ty->getScalarSizeInBits();
       if (IC.MaskedValueIsZero(I->getOperand(0),
-            APInt::getHighBitsSet(OrigBitWidth, OrigBitWidth-BitWidth), 0, CxtI) &&
+            APInt::getBitsSetFrom(OrigBitWidth, BitWidth), 0, CxtI) &&
           Amt->getLimitedValue(BitWidth) < BitWidth) {
         return canEvaluateTruncated(I->getOperand(0), Ty, IC, CxtI);
       }