From e4178ae5108d68c3878247a1bddb4e51aa019a54 Mon Sep 17 00:00:00 2001 From: Simon Pilgrim Date: Thu, 25 Feb 2016 09:12:12 +0000 Subject: [X86][SSE3] Added combine support for MOVDDUP/MOVSHDUP/MOVSLDUP target shuffles Now that PerformShuffleCombine can handle unary shuffles. llvm-svn: 261843 --- llvm/lib/Target/X86/X86ISelLowering.cpp | 3 +++ 1 file changed, 3 insertions(+) (limited to 'llvm/lib') diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 3ffd6666f55..1c26f5789c2 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -28886,6 +28886,9 @@ SDValue X86TargetLowering::PerformDAGCombine(SDNode *N, case X86ISD::PSHUFD: case X86ISD::PSHUFHW: case X86ISD::PSHUFLW: + case X86ISD::MOVSHDUP: + case X86ISD::MOVSLDUP: + case X86ISD::MOVDDUP: case X86ISD::MOVSS: case X86ISD::MOVSD: case X86ISD::VPERMILPI: -- cgit v1.2.3