From: Craig Topper <craig.topper@gmail.com>
Date: Tue, 25 Apr 2017 16:48:03 +0000 (+0000)
Subject: [ValueTracking] Use BitWidth local variable instead of re-reading it from KnownZero... 
X-Git-Tag: llvmorg-5.0.0-rc1~6729
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9c932d31e11f45afde50fd21b47cbf744ff69356;p=platform%2Fupstream%2Fllvm.git

[ValueTracking] Use BitWidth local variable instead of re-reading it from KnownZero. NFC

This is a pre-commit for a patch that I'm working on to merge KnownZero/KnownOne into a KnownBits struct which would have had to touch this line.

llvm-svn: 301323
---

diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp
index e2ffa44..ecb169c 100644
--- a/llvm/lib/Analysis/ValueTracking.cpp
+++ b/llvm/lib/Analysis/ValueTracking.cpp
@@ -1532,7 +1532,7 @@ void computeKnownBits(const Value *V, APInt &KnownZero, APInt &KnownOne,
     // We know that CDS must be a vector of integers. Take the intersection of
     // each element.
     KnownZero.setAllBits(); KnownOne.setAllBits();
-    APInt Elt(KnownZero.getBitWidth(), 0);
+    APInt Elt(BitWidth, 0);
     for (unsigned i = 0, e = CDS->getNumElements(); i != e; ++i) {
       Elt = CDS->getElementAsInteger(i);
       KnownZero &= ~Elt;