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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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97
external/llvm/lib/Target/AMDGPU/AMDGPUMachineModuleInfo.h vendored
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@ -1,97 +0,0 @@
//===--- AMDGPUMachineModuleInfo.h ------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
/// \file
/// \brief AMDGPU Machine Module Info.
///
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUMACHINEMODULEINFO_H
#define LLVM_LIB_TARGET_AMDGPU_AMDGPUMACHINEMODULEINFO_H
#include "llvm/ADT/None.h"
#include "llvm/ADT/Optional.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineModuleInfoImpls.h"
#include "llvm/IR/LLVMContext.h"
namespace llvm {
class AMDGPUMachineModuleInfo final : public MachineModuleInfoELF {
private:
// All supported memory/synchronization scopes can be found here:
// http://llvm.org/docs/AMDGPUUsage.html#memory-scopes
/// \brief Agent synchronization scope ID.
SyncScope::ID AgentSSID;
/// \brief Workgroup synchronization scope ID.
SyncScope::ID WorkgroupSSID;
/// \brief Wavefront synchronization scope ID.
SyncScope::ID WavefrontSSID;
/// \brief In AMDGPU target synchronization scopes are inclusive, meaning a
/// larger synchronization scope is inclusive of a smaller synchronization
/// scope.
///
/// \returns \p SSID's inclusion ordering, or "None" if \p SSID is not
/// supported by the AMDGPU target.
Optional<uint8_t> getSyncScopeInclusionOrdering(SyncScope::ID SSID) const {
if (SSID == SyncScope::SingleThread)
return 0;
else if (SSID == getWavefrontSSID())
return 1;
else if (SSID == getWorkgroupSSID())
return 2;
else if (SSID == getAgentSSID())
return 3;
else if (SSID == SyncScope::System)
return 4;
return None;
}
public:
AMDGPUMachineModuleInfo(const MachineModuleInfo &MMI);
/// \returns Agent synchronization scope ID.
SyncScope::ID getAgentSSID() const {
return AgentSSID;
}
/// \returns Workgroup synchronization scope ID.
SyncScope::ID getWorkgroupSSID() const {
return WorkgroupSSID;
}
/// \returns Wavefront synchronization scope ID.
SyncScope::ID getWavefrontSSID() const {
return WavefrontSSID;
}
/// \brief In AMDGPU target synchronization scopes are inclusive, meaning a
/// larger synchronization scope is inclusive of a smaller synchronization
/// scope.
///
/// \returns True if synchronization scope \p A is larger than or equal to
/// synchronization scope \p B, false if synchronization scope \p A is smaller
/// than synchronization scope \p B, or "None" if either synchronization scope
/// \p A or \p B is not supported by the AMDGPU target.
Optional<bool> isSyncScopeInclusion(SyncScope::ID A, SyncScope::ID B) const {
const auto &AIO = getSyncScopeInclusionOrdering(A);
const auto &BIO = getSyncScopeInclusionOrdering(B);
if (!AIO || !BIO)
return None;
return AIO.getValue() > BIO.getValue();
}
};
} // end namespace llvm
#endif // LLVM_LIB_TARGET_AMDGPU_AMDGPUMACHINEMODULEINFO_H