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-rw-r--r--gnu/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.h66
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diff --git a/gnu/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.h b/gnu/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.h
deleted file mode 100644
index c6fa8261b03..00000000000
--- a/gnu/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.h
+++ /dev/null
@@ -1,66 +0,0 @@
-// WebAssemblyFrameLowering.h - TargetFrameLowering for WebAssembly -*- C++ -*-/
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-///
-/// \file
-/// This class implements WebAssembly-specific bits of
-/// TargetFrameLowering class.
-///
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYFRAMELOWERING_H
-#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYFRAMELOWERING_H
-
-#include "llvm/CodeGen/TargetFrameLowering.h"
-
-namespace llvm {
-class MachineFrameInfo;
-
-class WebAssemblyFrameLowering final : public TargetFrameLowering {
-public:
- /// Size of the red zone for the user stack (leaf functions can use this much
- /// space below the stack pointer without writing it back to __stack_pointer
- /// global).
- // TODO: (ABI) Revisit and decide how large it should be.
- static const size_t RedZoneSize = 128;
-
- WebAssemblyFrameLowering()
- : TargetFrameLowering(StackGrowsDown, /*StackAlignment=*/16,
- /*LocalAreaOffset=*/0,
- /*TransientStackAlignment=*/16,
- /*StackRealignable=*/true) {}
-
- MachineBasicBlock::iterator
- eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I) const override;
-
- /// These methods insert prolog and epilog code into the function.
- void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
- void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
-
- bool hasFP(const MachineFunction &MF) const override;
- bool hasReservedCallFrame(const MachineFunction &MF) const override;
-
- bool needsPrologForEH(const MachineFunction &MF) const;
-
- /// Write SP back to __stack_pointer global.
- void writeSPToGlobal(unsigned SrcReg, MachineFunction &MF,
- MachineBasicBlock &MBB,
- MachineBasicBlock::iterator &InsertStore,
- const DebugLoc &DL) const;
-
-private:
- bool hasBP(const MachineFunction &MF) const;
- bool needsSPForLocalFrame(const MachineFunction &MF) const;
- bool needsSP(const MachineFunction &MF) const;
- bool needsSPWriteback(const MachineFunction &MF) const;
-};
-
-} // end namespace llvm
-
-#endif