From 9cc9f50abc28f08fb6082b5ee4f5cc7e1af4969b Mon Sep 17 00:00:00 2001 From: Chandler Carruth Date: Mon, 10 Jan 2011 07:19:37 +0000 Subject: Teach instcombine about the rest of the SSE and SSE2 conversion intrinsics element dependencies. Reviewed by Nick. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123161 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/InstCombine/InstCombineCalls.cpp | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) (limited to 'lib/Transforms') diff --git a/lib/Transforms/InstCombine/InstCombineCalls.cpp b/lib/Transforms/InstCombine/InstCombineCalls.cpp index bd451ebcac..8449f7b798 100644 --- a/lib/Transforms/InstCombine/InstCombineCalls.cpp +++ b/lib/Transforms/InstCombine/InstCombineCalls.cpp @@ -540,9 +540,16 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { return new StoreInst(II->getArgOperand(1), Ptr); } break; - - case Intrinsic::x86_sse_cvttss2si: { - // These intrinsics only demands the 0th element of its input vector. If + + case Intrinsic::x86_sse_cvtss2si: + case Intrinsic::x86_sse_cvtss2si64: + case Intrinsic::x86_sse_cvttss2si: + case Intrinsic::x86_sse_cvttss2si64: + case Intrinsic::x86_sse2_cvtsd2si: + case Intrinsic::x86_sse2_cvtsd2si64: + case Intrinsic::x86_sse2_cvttsd2si: + case Intrinsic::x86_sse2_cvttsd2si64: { + // These intrinsics only demand the 0th element of their input vectors. If // we can simplify the input based on that, do so now. unsigned VWidth = cast(II->getArgOperand(0)->getType())->getNumElements(); @@ -555,7 +562,7 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { } break; } - + case Intrinsic::ppc_altivec_vperm: // Turn vperm(V1,V2,mask) -> shuffle(V1,V2,mask) if mask is a constant. if (ConstantVector *Mask = dyn_cast(II->getArgOperand(2))) { -- cgit v1.2.3-70-g09d2