From ea5761068956b157832d67bcc9d5e8ba706f545c Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Wed, 13 Apr 2005 02:36:41 +0000 Subject: [PATCH] Remove the ZERO_EXTEND_INREG node which is redundant with AND git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21263 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/CodeGen/SelectionDAGNodes.h | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h index 2011eb87710..d605961bb45 100644 --- a/include/llvm/CodeGen/SelectionDAGNodes.h +++ b/include/llvm/CodeGen/SelectionDAGNodes.h @@ -141,13 +141,12 @@ namespace ISD { SINT_TO_FP, UINT_TO_FP, - // SIGN_EXTEND_INREG/ZERO_EXTEND_INREG - These operators atomically performs - // a SHL/(SRA|SHL) pair to (sign|zero) extend a small value in a large - // integer register (e.g. sign extending the low 8 bits of a 32-bit register - // to fill the top 24 bits with the 7th bit). The size of the smaller type - // is indicated by the ExtraValueType in the MVTSDNode for the operator. + // SIGN_EXTEND_INREG - This operator atomically performs a SHL/SRA pair to + // sign extend a small value in a large integer register (e.g. sign + // extending the low 8 bits of a 32-bit register to fill the top 24 bits + // with the 7th bit). The size of the smaller type is indicated by the + // ExtraValueType in the MVTSDNode for the operator. SIGN_EXTEND_INREG, - ZERO_EXTEND_INREG, // FP_TO_[US]INT - Convert a floating point value to a signed or unsigned // integer. @@ -809,7 +808,6 @@ public: static bool classof(const SDNode *N) { return N->getOpcode() == ISD::SIGN_EXTEND_INREG || - N->getOpcode() == ISD::ZERO_EXTEND_INREG || N->getOpcode() == ISD::FP_ROUND_INREG || N->getOpcode() == ISD::EXTLOAD || N->getOpcode() == ISD::SEXTLOAD ||