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276365dd4b
be the first encoded as the first feature. It then uses the CPU name to look up features / scheduling itineray even though clients know full well the CPU name being used to query these properties. The fix is to just have the clients explictly pass the CPU name! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134127 91177308-0d34-0410-b5e6-96231b3b80d8
51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
//===- SystemZSubtarget.cpp - SystemZ Subtarget Information -------*- C++ -*-=//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the SystemZ specific subclass of TargetSubtarget.
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//
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//===----------------------------------------------------------------------===//
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#include "SystemZSubtarget.h"
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#include "SystemZ.h"
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#include "SystemZGenSubtarget.inc"
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#include "llvm/GlobalValue.h"
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#include "llvm/Target/TargetMachine.h"
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using namespace llvm;
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SystemZSubtarget::SystemZSubtarget(const std::string &TT,
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const std::string &CPU,
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const std::string &FS):
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HasZ10Insts(false) {
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std::string CPUName = CPU;
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if (CPUName.empty())
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CPUName = "z9";
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// Parse features string.
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ParseSubtargetFeatures(FS, CPUName);
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}
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/// True if accessing the GV requires an extra load.
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bool SystemZSubtarget::GVRequiresExtraLoad(const GlobalValue* GV,
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const TargetMachine& TM,
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bool isDirectCall) const {
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if (TM.getRelocationModel() == Reloc::PIC_) {
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// Extra load is needed for all externally visible.
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if (isDirectCall)
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return false;
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if (GV->hasLocalLinkage() || GV->hasHiddenVisibility())
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return false;
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return true;
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}
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return false;
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}
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