6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-11-01 15:17:25 +00:00
Code Issues Projects Releases Wiki Activity

Fix MergeInVectorType to check for vector types with the same alloc

Browse Source 
size but different element types, so that it filters out the cases
that CreateShuffleVectorCast doesn't handle. This fixes rdar://9786827.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135721 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2011-07-21 23:30:09 +00:00
parent 7c6e42e927
commit 856e13ddac
2 changed files with 33 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
lib/Transforms/Scalar/ScalarReplAggregates.cpp
View File

@@ -425,6 +425,12 @@ bool ConvertToScalarInfo::MergeInVectorType(VectorType *VInTy,
Type *ElementTy = VectorTy->getElementType();
Type *InElementTy = VInTy->getElementType();
// If they're the same alloc size, we'll be attempting to convert between
// them with a vector shuffle, which requires the element types to match.
if (TD.getTypeAllocSize(VectorTy) == TD.getTypeAllocSize(VInTy) &&
ElementTy != InElementTy)
return false;
// Do not allow mixed integer and floating-point accesses from vectors of
// different sizes.
if (ElementTy->isFloatingPointTy() != InElementTy->isFloatingPointTy())