maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Don't try to make a vector of x86mmx; this won't work, 

and asserts.

llvm-svn: 114843
This commit is contained in:
Dale Johannesen 2010-09-27 17:29:14 +00:00
parent cf935acf53
commit 117f7708c4
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
View File

@ -1572,7 +1572,8 @@ SDValue DAGTypeLegalizer::WidenVecRes_BIT_CONVERT(SDNode *N) {
unsigned WidenSize = WidenVT.getSizeInBits();
unsigned InSize = InVT.getSizeInBits();
if (WidenSize % InSize == 0) {
// x86mmx is not an acceptable vector element type, so don't try.
if (WidenSize % InSize == 0 && InVT != MVT::x86mmx) {
// Determine new input vector type. The new input vector type will use
// the same element type (if its a vector) or use the input type as a
// vector. It is the same size as the type to widen to.
@ -2049,7 +2050,8 @@ SDValue DAGTypeLegalizer::WidenVecOp_BIT_CONVERT(SDNode *N) {
// Check if we can convert between two legal vector types and extract.
unsigned InWidenSize = InWidenVT.getSizeInBits();
unsigned Size = VT.getSizeInBits();
if (InWidenSize % Size == 0 && !VT.isVector()) {
// x86mmx is not an acceptable vector element type, so don't try.
if (InWidenSize % Size == 0 && !VT.isVector() && VT != MVT::x86mmx) {
unsigned NewNumElts = InWidenSize / Size;
EVT NewVT = EVT::getVectorVT(*DAG.getContext(), VT, NewNumElts);
if (TLI.isTypeSynthesizable(NewVT)) {