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Refactor the AddrMode class out of TLI to its own header file.

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This class is used by LSR and a number of places in the codegen.
This is the first step in de-coupling LSR from TLI, and creating
a new interface in between them.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165455 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nadav Rotem
2012-10-08 23:06:34 +00:00
parent 0327244ec6
commit ad6aedc7d9
5 changed files with 53 additions and 25 deletions
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17
include/llvm/Target/TargetLowering.h
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@@ -22,6 +22,7 @@
#ifndef LLVM_TARGET_TARGETLOWERING_H
#define LLVM_TARGET_TARGETLOWERING_H
#include "llvm/AddressingMode.h"
#include "llvm/CallingConv.h"
#include "llvm/InlineAsm.h"
#include "llvm/Attributes.h"
@@ -1632,22 +1633,6 @@ public:
// Addressing mode description hooks (used by LSR etc).
//
/// AddrMode - This represents an addressing mode of:
/// BaseGV + BaseOffs + BaseReg + Scale*ScaleReg
/// If BaseGV is null, there is no BaseGV.
/// If BaseOffs is zero, there is no base offset.
/// If HasBaseReg is false, there is no base register.
/// If Scale is zero, there is no ScaleReg. Scale of 1 indicates a reg with
/// no scale.
///
struct AddrMode {
GlobalValue *BaseGV;
int64_t BaseOffs;
bool HasBaseReg;
int64_t Scale;
AddrMode() : BaseGV(0), BaseOffs(0), HasBaseReg(false), Scale(0) {}
};
/// GetAddrModeArguments - CodeGenPrepare sinks address calculations into the
/// same BB as Load/Store instructions reading the address. This allows as
/// much computation as possible to be done in the address mode for that