From: Christopher Tetreault <ctetreau@quicinc.com>
Date: Mon, 20 Apr 2020 20:27:06 +0000 (-0700)
Subject: [SVE] Remove calls to getBitWidth from Analysis
X-Git-Tag: llvmorg-12-init~8420
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=56e4888627b3109eba9de192af6b7c19b74509c2;p=platform%2Fupstream%2Fllvm.git

[SVE] Remove calls to getBitWidth from Analysis

Reviewers: efriedma, sdesmalen, jnspaulsson, jonpa

Reviewed By: efriedma

Subscribers: tschuett, rkruppe, psnobl, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D77898
---

diff --git a/llvm/include/llvm/Analysis/TargetTransformInfoImpl.h b/llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
index 35853f5..a7ce8da 100644
--- a/llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
+++ b/llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
@@ -632,9 +632,9 @@ protected:
       // Assume unsigned elements
       isSigned = false;
 
-      // The max required size is the total vector width divided by num
-      // of elements in the vector
-      unsigned MaxRequiredSize = VT->getBitWidth() / VT->getNumElements();
+      // The max required size is the size of the vector element type
+      unsigned MaxRequiredSize =
+          VT->getElementType()->getPrimitiveSizeInBits().getFixedSize();
 
       unsigned MinRequiredSize = 0;
       for (unsigned i = 0, e = VT->getNumElements(); i < e; ++i) {