diff options
| author | Chris Lattner <sabre@nondot.org> | 2006-04-02 05:37:12 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-04-02 05:37:12 +0000 |
| commit | a1c3538537b853482479222b50810a16be7b04c9 (patch) | |
| tree | 5ceccb7e911def053cf009186b040128ffb9e4dd | |
| parent | 82ed58f9c4948962d135823e344161b25d2e41c8 (diff) | |
Allow transforming this:
%tmp = cast <4 x uint>* %testData to <4 x int>* ; <<4 x int>*> [#uses=1]
%tmp = load <4 x int>* %tmp ; <<4 x int>> [#uses=1]
to this:
%tmp = load <4 x uint>* %testData ; <<4 x uint>> [#uses=1]
%tmp = cast <4 x uint> %tmp to <4 x int> ; <<4 x int>> [#uses=1]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27353 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Transforms/Scalar/InstructionCombining.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index 3697b2a514..82e70073e8 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -6234,7 +6234,8 @@ static Instruction *InstCombineLoadCast(InstCombiner &IC, LoadInst &LI) { if (const PointerType *SrcTy = dyn_cast<PointerType>(CastOp->getType())) { const Type *SrcPTy = SrcTy->getElementType(); - if (DestPTy->isInteger() || isa<PointerType>(DestPTy)) { + if (DestPTy->isInteger() || isa<PointerType>(DestPTy) || + isa<PackedType>(DestPTy)) { // If the source is an array, the code below will not succeed. Check to // see if a trivial 'gep P, 0, 0' will help matters. Only do this for // constants. @@ -6247,7 +6248,8 @@ static Instruction *InstCombineLoadCast(InstCombiner &IC, LoadInst &LI) { SrcPTy = SrcTy->getElementType(); } - if ((SrcPTy->isInteger() || isa<PointerType>(SrcPTy)) && + if ((SrcPTy->isInteger() || isa<PointerType>(SrcPTy) || + isa<PackedType>(SrcPTy)) && // Do not allow turning this into a load of an integer, which is then // casted to a pointer, this pessimizes pointer analysis a lot. (isa<PointerType>(SrcPTy) == isa<PointerType>(LI.getType())) && |