From f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Wed, 18 Jul 2007 16:29:46 +0000 Subject: It's not necessary to do rounding for alloca operations when the requested alignment is equal to the stack alignment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/PowerPC/PPCPredicates.cpp | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 lib/Target/PowerPC/PPCPredicates.cpp (limited to 'lib/Target/PowerPC/PPCPredicates.cpp') diff --git a/lib/Target/PowerPC/PPCPredicates.cpp b/lib/Target/PowerPC/PPCPredicates.cpp new file mode 100644 index 0000000000..ccda5c0d9a --- /dev/null +++ b/lib/Target/PowerPC/PPCPredicates.cpp @@ -0,0 +1,30 @@ +//===-- PPCPredicates.cpp - PPC Branch Predicate Information --------------===// +// +// The LLVM Compiler Infrastructure +// +// This file was developed by Chris Lattner and is distributed under +// the University of Illinois Open Source License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file implements the PowerPC branch predicates. +// +//===----------------------------------------------------------------------===// + +#include "PPCPredicates.h" +#include +using namespace llvm; + +PPC::Predicate PPC::InvertPredicate(PPC::Predicate Opcode) { + switch (Opcode) { + default: assert(0 && "Unknown PPC branch opcode!"); + case PPC::PRED_EQ: return PPC::PRED_NE; + case PPC::PRED_NE: return PPC::PRED_EQ; + case PPC::PRED_LT: return PPC::PRED_GE; + case PPC::PRED_GE: return PPC::PRED_LT; + case PPC::PRED_GT: return PPC::PRED_LE; + case PPC::PRED_LE: return PPC::PRED_GT; + case PPC::PRED_NU: return PPC::PRED_UN; + case PPC::PRED_UN: return PPC::PRED_NU; + } +} -- cgit v1.2.3