From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Fri, 9 Nov 2018 18:30:59 +0000 (+0000)
Subject: [TTI] Flip vector types in getShuffleCost SK_ExtractSubvector call
X-Git-Tag: llvmorg-8.0.0-rc1~4604
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=26e1c887f58efc8e37e7e7b256582719250b668d;p=platform%2Fupstream%2Fllvm.git

[TTI] Flip vector types in getShuffleCost SK_ExtractSubvector call

For SK_ExtractSubvector, the default 'Ty' type is the source operand type and 'SubTy' is the destination subvector type

I got this the wrong way around when I added rL346510

llvm-svn: 346534
---

diff --git a/llvm/lib/Analysis/TargetTransformInfo.cpp b/llvm/lib/Analysis/TargetTransformInfo.cpp
index a6a1a872b658..eecc898fb5fd 100644
--- a/llvm/lib/Analysis/TargetTransformInfo.cpp
+++ b/llvm/lib/Analysis/TargetTransformInfo.cpp
@@ -1114,7 +1114,7 @@ int TargetTransformInfo::getInstructionThroughput(const Instruction *I) const {
     // TODO: Identify and add costs for insert subvector, etc.
     int SubIndex;
     if (Shuffle->isExtractSubvectorMask(SubIndex))
-      return TTIImpl->getShuffleCost(SK_ExtractSubvector, Ty, SubIndex, SrcTy);
+      return TTIImpl->getShuffleCost(SK_ExtractSubvector, SrcTy, SubIndex, Ty);
 
     if (Shuffle->changesLength())
       return -1;