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Imported Upstream version 5.18.0.207

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Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449
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Xamarin Public Jenkins (auto-signing)
2018-11-17 08:23:10 +00:00
parent 8e12397d70
commit eb85e2fc17
28480 changed files with 72 additions and 3866936 deletions
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34
external/llvm/lib/Target/Nios2/Nios2CallingConv.td vendored
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//===- Nios2CallingConv.td - Calling Conventions for Nios2 -*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// This describes the calling conventions for Nios2 architecture.
//===----------------------------------------------------------------------===//
/// CCIfSubtarget - Match if the current subtarget has a feature F.
class CCIfSubtarget<string F, CCAction A>:
CCIf<!strconcat("State.getTarget().getSubtarget<Nios2Subtarget>().", F), A>;
def CC_Nios2 : CallingConv<[
// i32 f32 arguments get passed in integer registers if there is space.
CCIfType<[i32, f32], CCAssignToReg<[R4, R5, R6, R7]>>,
// Alternatively, they are assigned to the stack in 4-byte aligned units.
CCAssignToStack<4, 4>
]>;
def RetCC_Nios2EABI : CallingConv<[
// i32 are returned in registers R2, R3
CCIfType<[i32], CCAssignToReg<[R2, R3]>>,
// In case of floating point (FPH2 instr.) also use the same register set
CCIfType<[f32], CCAssignToReg<[R2, R3]>>,
CCIfByVal<CCPassByVal<4, 4>>,
// Stack parameter slots for i32 is 32-bit words and 4-byte aligned.
CCIfType<[i32], CCAssignToStack<4, 4>>
]>;
def CSR : CalleeSavedRegs<(add RA, FP, (sequence "R%u", 16, 23))>;