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llvm-project/llvm/lib/Target/Mips
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Simon Dardis 9a66bbecae [mips] LLVM PR/30197 - Tail call incorrectly clobbers arguments for mips 
The postRA scheduler performs alias analysis to determine if stores and loads
can moved past each other. When a function has more arguments than argument
registers for the calling convention used, excess arguments are spilled onto the
stack. LLVM by default assumes that argument slots are immutable, unless the
function contains a tail call. Without the knowledge of that a function contains
a tail call site, stores and loads to fixed stack slots may be re-ordered
causing the out-going arguments to clobber the incoming arguments before the
incoming arguments are supposed to be dead.

Reviewers: vkalintiris

Differential Review: https://reviews.llvm.org/D24077

llvm-svn: 282063
 		2016-09-21 09:43:40 +00:00
..
AsmParser Defer asm errors to post-statement failure 2016-09-16 18:30:20 +00:00
Disassembler [mips] Fix previous revert r281726. 2016-09-16 14:16:23 +00:00
InstPrinter Revert "[mips] Fix c.<cc>.<fmt> instruction definition." 2016-09-09 11:06:01 +00:00
MCTargetDesc [mips][ias] Enable IAS by default for N64 on Debian mips64el. 2016-09-15 13:13:01 +00:00
TargetInfo Remove autoconf support 2016-01-26 21:29:08 +00:00
CMakeLists.txt [mips] MIPS32R6 compact branch support 2016-03-14 16:24:05 +00:00
LLVMBuild.txt
…
MSA.txt
…
MicroMips32r6InstrFormats.td [mips][microMIPS] Implement LDC1, SDC1, LDC2, SDC2, LWC1, SWC1, LWC2 and SWC2 instructions and add CodeGen support 2016-07-11 07:41:56 +00:00
MicroMips32r6InstrInfo.td Revert "[mips] Fix aui/daui/dahi/dati for MIPSR6" 2016-09-16 13:56:05 +00:00
MicroMips64r6InstrFormats.td [mips][microMIPS] Implement DBITSWAP, DLSA and LWUPC and add tests for AUI instructions 2016-09-08 07:41:43 +00:00
MicroMips64r6InstrInfo.td Revert "[mips] Fix aui/daui/dahi/dati for MIPSR6" 2016-09-16 13:56:05 +00:00
MicroMipsDSPInstrFormats.td [mips][microMIPS][DSP] Implement BALIGN, BITREV, BPOSGE32, CMP*, CMPGDU*, CMPGU* and CMPU* instructions 2016-05-17 09:32:58 +00:00
MicroMipsDSPInstrInfo.td [mips][microMIPS][DSP] Implement BALIGN, BITREV, BPOSGE32, CMP*, CMPGDU*, CMPGU* and CMPU* instructions 2016-05-17 09:32:58 +00:00
MicroMipsInstrFPU.td Revert "[mips] Fix c.<cc>.<fmt> instruction definition." 2016-09-09 11:06:01 +00:00
MicroMipsInstrFormats.td Revert "[mips] Fix c.<cc>.<fmt> instruction definition." 2016-09-09 11:06:01 +00:00
MicroMipsInstrInfo.td [mips] Preparatory work for a generic scheduler 2016-08-24 13:00:47 +00:00
Mips.h Delete dead code. NFC. 2016-06-28 14:26:39 +00:00
Mips.td [mips] interAptiv based generic schedule model 2016-09-01 14:53:53 +00:00
Mips16FrameLowering.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
Mips16FrameLowering.h
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Mips16HardFloat.cpp Convert more cases to isPositionIndependent(). NFC. 2016-06-28 14:33:28 +00:00
Mips16HardFloatInfo.cpp
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Mips16HardFloatInfo.h
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Mips16ISelDAGToDAG.cpp [mips] Preparatory work for a generic scheduler 2016-08-24 13:00:47 +00:00
Mips16ISelDAGToDAG.h [mips] SelectionDAGISel subclasses now follow the optimization level. 2016-07-14 13:25:22 +00:00
Mips16ISelLowering.cpp CodeGen: Use MachineInstr& in TargetLowering, NFC 2016-06-30 22:52:52 +00:00
Mips16ISelLowering.h CodeGen: Use MachineInstr& in TargetLowering, NFC 2016-06-30 22:52:52 +00:00
Mips16InstrFormats.td
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Mips16InstrInfo.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
Mips16InstrInfo.h CodeGen: Use MachineInstr& in TargetInstrInfo, NFC 2016-06-30 00:01:54 +00:00
Mips16InstrInfo.td [mips][mips16] Fix machine verifier errors about incorrect register classes on load/stores. 2016-06-16 10:20:59 +00:00
Mips16RegisterInfo.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
Mips16RegisterInfo.h
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Mips32r6InstrFormats.td [PATCH] [mips] Restrict the creation of compact branches 2016-05-18 10:38:01 +00:00
Mips32r6InstrInfo.td Revert "[mips] Fix aui/daui/dahi/dati for MIPSR6" 2016-09-16 13:56:05 +00:00
Mips64InstrInfo.td [mips] Preparatory work for a generic scheduler 2016-08-24 13:00:47 +00:00
Mips64r6InstrInfo.td Revert "[mips] Fix aui/daui/dahi/dati for MIPSR6" 2016-09-16 13:56:05 +00:00
MipsAnalyzeImmediate.cpp
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MipsAnalyzeImmediate.h
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MipsAsmPrinter.cpp Revert "[mips] Fix c.<cc>.<fmt> instruction definition." 2016-09-09 11:06:01 +00:00
MipsAsmPrinter.h Revert "[mips] Fix c.<cc>.<fmt> instruction definition." 2016-09-09 11:06:01 +00:00
MipsCCState.cpp [mips] Fix an issue with long double when function roundl is defined 2016-03-14 12:50:23 +00:00
MipsCCState.h
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MipsCallingConv.td [mips] EABI CodeGen is completely untested and seems to have bitrotted. Remove it. 2016-06-03 10:38:09 +00:00
MipsCondMov.td Revert "[mips] Fix c.<cc>.<fmt> instruction definition." 2016-09-09 11:06:01 +00:00
MipsConstantIslandPass.cpp MachineFunctionProperties/MIRParser: Rename AllVRegsAllocated->NoVRegs, compute it 2016-08-25 01:27:13 +00:00
MipsDSPInstrFormats.td [mips][microMIPS] Implement APPEND, BPOSGE32C, MODSUB, MULSA.W.PH and MULSAQ_S.W.PH instructions 2016-05-13 11:32:53 +00:00
MipsDSPInstrInfo.td [mips] MIPS32/64 itineraries 2016-06-14 09:35:29 +00:00
MipsDelaySlotFiller.cpp CodeGen: Give MachineBasicBlock::reverse_iterator a handle to the current MI 2016-09-11 18:51:28 +00:00
MipsEVAInstrFormats.td
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MipsEVAInstrInfo.td [mips] MIPS32/64 itineraries 2016-06-14 09:35:29 +00:00
MipsFastISel.cpp Revert "[mips] Fix c.<cc>.<fmt> instruction definition." 2016-09-09 11:06:01 +00:00
MipsFrameLowering.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
MipsFrameLowering.h Change eliminateCallFramePseudoInstr() to return an iterator 2016-03-31 18:33:38 +00:00
MipsHazardSchedule.cpp MachineFunctionProperties/MIRParser: Rename AllVRegsAllocated->NoVRegs, compute it 2016-08-25 01:27:13 +00:00
MipsISelDAGToDAG.cpp [mips] Clang generates unaligned offset for MSA instruction st.d 2016-08-01 06:46:20 +00:00
MipsISelDAGToDAG.h [mips] Clang generates unaligned offset for MSA instruction st.d 2016-08-01 06:46:20 +00:00
MipsISelLowering.cpp [mips] LLVM PR/30197 - Tail call incorrectly clobbers arguments for mips 2016-09-21 09:43:40 +00:00
MipsISelLowering.h Revert "[mips] Fix c.<cc>.<fmt> instruction definition." 2016-09-09 11:06:01 +00:00
MipsInstrFPU.td Revert "[mips] Fix c.<cc>.<fmt> instruction definition." 2016-09-09 11:06:01 +00:00
MipsInstrFormats.td Revert "[mips] Fix c.<cc>.<fmt> instruction definition." 2016-09-09 11:06:01 +00:00
MipsInstrInfo.cpp Finish renaming remaining analyzeBranch functions 2016-09-14 20:43:16 +00:00
MipsInstrInfo.h Finish renaming remaining analyzeBranch functions 2016-09-14 20:43:16 +00:00
MipsInstrInfo.td Revert "[mips] Fix aui/daui/dahi/dati for MIPSR6" 2016-09-16 13:56:05 +00:00
MipsLongBranch.cpp CodeGen: Give MachineBasicBlock::reverse_iterator a handle to the current MI 2016-09-11 18:51:28 +00:00
MipsMCInstLower.cpp [mips] Use MipsMCExpr instead of MCSymbolRefExpr for all relocations. 2016-05-03 13:35:44 +00:00
MipsMCInstLower.h [mips] Use MipsMCExpr instead of MCSymbolRefExpr for all relocations. 2016-05-03 13:35:44 +00:00
MipsMSAInstrFormats.td
…
MipsMSAInstrInfo.td [mips] Clang generates unaligned offset for MSA instruction st.d 2016-08-01 06:46:20 +00:00
MipsMachineFunction.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
MipsMachineFunction.h [mips][mips16] Fix machine verifier errors about incorrect register classes on load/stores. 2016-06-16 10:20:59 +00:00
MipsModuleISelDAGToDAG.cpp
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MipsOptimizePICCall.cpp
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MipsOptionRecord.h
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MipsOs16.cpp [mips] Use range-based for loops. NFC. 2016-04-08 10:33:00 +00:00
MipsRegisterInfo.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
MipsRegisterInfo.h [mips][micromips] Make getPointerRegClass() result depend on the instruction. 2016-05-09 13:38:25 +00:00
MipsRegisterInfo.td Revert "[mips] Fix c.<cc>.<fmt> instruction definition." 2016-09-09 11:06:01 +00:00
MipsSEFrameLowering.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
MipsSEFrameLowering.h Re-apply "[mips] Use correct frame register for DWARF info when dynamically realigning the stack."" 2015-11-12 14:11:43 +00:00
MipsSEISelDAGToDAG.cpp Fixed MSVC out of range shift warning 2016-08-01 09:40:38 +00:00
MipsSEISelDAGToDAG.h [mips] Clang generates unaligned offset for MSA instruction st.d 2016-08-01 06:46:20 +00:00
MipsSEISelLowering.cpp getVectorElementType().getSizeInBits() -> getScalarSizeInBits() ; NFCI 2016-09-14 16:37:15 +00:00
MipsSEISelLowering.h CodeGen: Use MachineInstr& in TargetLowering, NFC 2016-06-30 22:52:52 +00:00
MipsSEInstrInfo.cpp Revert "[mips] Fix c.<cc>.<fmt> instruction definition." 2016-09-09 11:06:01 +00:00
MipsSEInstrInfo.h Revert "[mips] Fix c.<cc>.<fmt> instruction definition." 2016-09-09 11:06:01 +00:00
MipsSERegisterInfo.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
MipsSERegisterInfo.h
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MipsSchedule.td [mips] interAptiv based generic schedule model 2016-09-01 14:53:53 +00:00
MipsScheduleGeneric.td [mips] Include missed file from previous commit 2016-09-01 15:03:13 +00:00
MipsScheduleP5600.td [mips] Update the P5600 scheduler for isComplete = 1 2016-08-02 10:32:00 +00:00
MipsSubtarget.cpp Convert more cases to isPositionIndependent(). NFC. 2016-06-28 14:33:28 +00:00
MipsSubtarget.h Convert more cases to isPositionIndependent(). NFC. 2016-06-28 14:33:28 +00:00
MipsTargetMachine.cpp [mips] Correct label prefixes for N32 and N64. 2016-07-19 10:49:03 +00:00
MipsTargetMachine.h Delete Reloc::Default. 2016-05-18 22:04:49 +00:00
MipsTargetObjectFile.cpp Move the Mangler from the AsmPrinter down to TLOF and clean up the 2016-09-16 07:33:15 +00:00
MipsTargetObjectFile.h Move the Mangler from the AsmPrinter down to TLOF and clean up the 2016-09-16 07:33:15 +00:00
MipsTargetStreamer.h Move instances of std::function. 2016-06-12 16:13:55 +00:00