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Revert "Liveness Analysis Pass"

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This reverts commit r197254.

This was an accidental merge of Juergen's patch. It will be checked in
shortly, but wasn't meant to go in quite yet.

Conflicts:
	include/llvm/CodeGen/StackMaps.h
	lib/CodeGen/StackMaps.cpp
	test/CodeGen/X86/stackmap-liveness.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197260 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2013-12-13 18:57:20 +00:00
parent f343bc9956
commit 38c9ecda9b
16 changed files with 52 additions and 508 deletions
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include/llvm/CodeGen/StackMaps.h
+3 -27
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@@ -93,20 +93,6 @@ public:
: LocType(LocType), Size(Size), Reg(Reg), Offset(Offset) {}
};
struct LiveOutReg {
unsigned short Reg;
unsigned short RegNo;
unsigned short Size;
LiveOutReg() : Reg(0), RegNo(0), Size(0) {}
LiveOutReg(unsigned short Reg, unsigned short RegNo, unsigned short Size)
: Reg(Reg), RegNo(RegNo), Size(Size) {}
// Only sort by the dwarf register number.
bool operator< (const LiveOutReg &LO) const { return RegNo < LO.RegNo; }
static bool isInvalid(const LiveOutReg &LO) { return LO.Reg == 0; }
};
// OpTypes are used to encode information about the following logical
// operand (which may consist of several MachineOperands) for the
// OpParser.
@@ -129,18 +115,15 @@ public:
private:
typedef SmallVector<Location, 8> LocationVec;
typedef SmallVector<LiveOutReg, 8> LiveOutVec;
struct CallsiteInfo {
const MCExpr *CSOffsetExpr;
uint64_t ID;
LocationVec Locations;
LiveOutVec LiveOuts;
CallsiteInfo() : CSOffsetExpr(0), ID(0) {}
CallsiteInfo(const MCExpr *CSOffsetExpr, uint64_t ID,
LocationVec &Locations, LiveOutVec &LiveOuts)
: CSOffsetExpr(CSOffsetExpr), ID(ID), Locations(Locations),
LiveOuts(LiveOuts) {}
LocationVec Locations)
: CSOffsetExpr(CSOffsetExpr), ID(ID), Locations(Locations) {}
};
typedef std::vector<CallsiteInfo> CallsiteInfoList;
@@ -171,15 +154,8 @@ private:
std::pair<Location, MachineInstr::const_mop_iterator>
parseOperand(MachineInstr::const_mop_iterator MOI,
MachineInstr::const_mop_iterator MOE) const;
MachineInstr::const_mop_iterator MOE);
/// \brief Create a live-out register record for the given register @p Reg.
LiveOutReg createLiveOutReg(unsigned Reg, const MCRegisterInfo &MCRI,
const TargetRegisterInfo *TRI) const;
/// \brief Parse the register live-out mask and return a vector of live-out
/// registers that need to be recorded in the stackmap.
LiveOutVec parseRegisterLiveOutMask(const uint32_t *Mask) const;
/// This should be called by the MC lowering code _immediately_ before
/// lowering the MI to an MCInst. It records where the operands for the