Patrik Hägglund H
2012-Dec-06 10:04 UTC
[LLVMdev] [PATCH] Replacing EVT:s with MVT:s (when possible)
Here is a series of patches replacing EVT with MVT at a number of places in TargetLowering. The last two patches are related cleanups in SelectionDAGBuilder. /Patrik Hägglund> git log --stat --reverse origin/master..commit 8dabe3eb005360347eabb86a2e88c3b6e9098ed5 Author: Patrik Hägglund <patrik.h.hagglund at ericsson.com> Date: Tue Dec 4 10:37:37 2012 +0100 Change TargetLowering::getRegClassFor to take an MVT, instead of EVT. Accordingly, added helper funtions getSimpleValueType (in parallel to getValueType) in SDValue, SDNode, and TargetLowering. include/llvm/CodeGen/FunctionLoweringInfo.h | 2 +- include/llvm/CodeGen/SelectionDAGNodes.h | 11 ++++ include/llvm/Target/TargetLowering.h | 11 ++-- lib/CodeGen/SelectionDAG/FastISel.cpp | 11 ++-- lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp | 4 +- lib/CodeGen/SelectionDAG/InstrEmitter.cpp | 14 ++-- lib/CodeGen/SelectionDAG/InstrEmitter.h | 2 +- lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp | 16 ++--- lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 8 +-- lib/Target/ARM/ARMFastISel.cpp | 76 ++++++++++------------ lib/Target/ARM/ARMISelLowering.cpp | 2 +- lib/Target/ARM/ARMISelLowering.h | 2 +- lib/Target/Mips/MipsISelLowering.cpp | 6 +- 13 files changed, 87 insertions(+), 78 deletions(-) commit 9add28389f360a0aa3f21b282a025c957309093f Author: Patrik Hägglund <patrik.h.hagglund at ericsson.com> Date: Tue Dec 4 10:59:05 2012 +0100 Change TargetLowering::getRepRegClassFor to take an MVT, instead of EVT. Accordingly, change RegDefIter to contain MVTs instead of EVTs. include/llvm/Target/TargetLowering.h | 5 ++--- lib/CodeGen/MachineLICM.cpp | 2 +- lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp | 16 ++++++++-------- lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp | 2 +- lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h | 4 ++-- 5 files changed, 14 insertions(+), 15 deletions(-) commit 267ded9a2357edbee4947b91e4abc54ef6d185e6 Author: Patrik Hägglund <patrik.h.hagglund at ericsson.com> Date: Tue Dec 4 11:11:43 2012 +0100 Change TargetLowering::setTypeAction to take an MVT, instead fo EVT. include/llvm/Target/TargetLowering.h | 4 ++-- lib/CodeGen/SelectionDAG/TargetLowering.cpp | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) commit 968d4fc892e13c7a4b37f3e083a91fbf457be746 Author: Patrik Hägglund <patrik.h.hagglund at ericsson.com> Date: Tue Dec 4 16:06:57 2012 +0100 Change TargetLowering::getLoadExtAction to take and MVT, instead of EVT. include/llvm/Target/TargetLowering.h | 10 +++++----- lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 2 +- lib/Transforms/Scalar/CodeGenPrepare.cpp | 2 +- 3 files changed, 7 insertions(+), 7 deletions(-) commit 1a8efcc09d412fd08766044489216391cfdd3afb Author: Patrik Hägglund <patrik.h.hagglund at ericsson.com> Date: Tue Dec 4 16:15:55 2012 +0100 Change TargetLowering::getTruncStoreAction to take MVTs, instead of EVTs. include/llvm/Target/TargetLowering.h | 11 +++++------ lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 3 ++- lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp | 4 ++-- 3 files changed, 9 insertions(+), 9 deletions(-) commit 6e468d9ec25353935c96c78a717e48cb6ace6206 Author: Patrik Hägglund <patrik.h.hagglund at ericsson.com> Date: Tue Dec 4 16:28:34 2012 +0100 Change TargetLowering::getCondCodeAction to take an MVT, instead of EVT. include/llvm/Target/TargetLowering.h | 12 ++++++------ lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 4 ++-- lib/CodeGen/SelectionDAG/TargetLowering.cpp | 4 ++-- 3 files changed, 10 insertions(+), 10 deletions(-) commit 0a642d363069fb95a4bdaec598a1d7ba9c3d9f16 Author: Patrik Hägglund <patrik.h.hagglund at ericsson.com> Date: Tue Dec 4 16:33:04 2012 +0100 Change TargetLowering::isCondCodeLegal to take an MVT, instead of EVT. include/llvm/Target/TargetLowering.h | 6 +++--- lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 9 ++++++--- lib/CodeGen/SelectionDAG/TargetLowering.cpp | 18 +++++++++--------- 3 files changed, 18 insertions(+), 15 deletions(-) commit 8c6d6ee1bb0c0898dec2c6c5cdeb4c200fb80d1c Author: Patrik Hägglund <patrik.h.hagglund at ericsson.com> Date: Tue Dec 4 16:42:53 2012 +0100 Change TargetLowering::getTypeToPromoteTo to take and return MVTs, instead of EVTs. include/llvm/Target/TargetLowering.h | 8 ++++---- lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 12 ++++++------ lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp | 4 ++-- 3 files changed, 12 insertions(+), 12 deletions(-) commit d3e652d037e3a49598c871912b0ee68acef2d02e Author: Patrik Hägglund <patrik.h.hagglund at ericsson.com> Date: Wed Dec 5 11:47:50 2012 +0100 Change TargetLowering::findRepresentativeClass to take an MVT, instead of EVT. include/llvm/Target/TargetLowering.h | 2 +- lib/CodeGen/SelectionDAG/TargetLowering.cpp | 4 ++-- lib/Target/ARM/ARMISelLowering.cpp | 4 ++-- lib/Target/ARM/ARMISelLowering.h | 2 +- lib/Target/X86/X86ISelLowering.cpp | 4 ++-- lib/Target/X86/X86ISelLowering.h | 2 +- 6 files changed, 9 insertions(+), 9 deletions(-) commit bd7d8621c38ddca079b8820dd532fd5b616f25da Author: Patrik Hägglund <patrik.h.hagglund at ericsson.com> Date: Tue Dec 4 11:02:16 2012 +0100 Change TargetLowering::getRepRegClassCostFor, getIndexedLoadAction, getIndexedStoreAction, and addRegisterClass to take and MVT, instead of EVT. include/llvm/Target/TargetLowering.h | 33 +++++++++++++++------------------ 1 file changed, 15 insertions(+), 18 deletions(-) commit 1c1a80ce4db07988a839af7aa7a58acd6164364f Author: Patrik Hägglund <patrik.h.hagglund at ericsson.com> Date: Wed Dec 5 12:55:45 2012 +0100 Change TargetLowering::TransformToType to contain MVTs, instead of EVTs. include/llvm/Target/TargetLowering.h | 18 +++++++++--------- lib/CodeGen/SelectionDAG/TargetLowering.cpp | 8 ++++---- 2 files changed, 13 insertions(+), 13 deletions(-) commit c53e2efbd52ac2a4690fe69c8ea4acad113956e0 Author: Patrik Hägglund <patrik.h.hagglund at ericsson.com> Date: Wed Dec 5 13:03:33 2012 +0100 Change TargetLowering::RegisterTypeForVT to store MVTs, instead of EVTs. include/llvm/Target/TargetLowering.h | 8 ++++---- lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp | 2 +- lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 4 ++-- lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp | 2 +- lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 20 ++++++++++---------- lib/CodeGen/SelectionDAG/TargetLowering.cpp | 8 ++++---- lib/Target/X86/X86FastISel.cpp | 4 ++-- 7 files changed, 24 insertions(+), 24 deletions(-) commit 9f0cb7ed22f2791a7f315d44827a64de2503e145 Author: Patrik Hägglund <patrik.h.hagglund at ericsson.com> Date: Wed Dec 5 14:04:17 2012 +0100 Change a parameter of TargetLowering::getVectorTypeBreakdown to MVT, from EVT. include/llvm/Target/TargetLowering.h | 10 ++++++---- lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 14 +++++++++----- lib/CodeGen/SelectionDAG/TargetLowering.cpp | 19 ++++++++++--------- 3 files changed, 25 insertions(+), 18 deletions(-) commit b2e1d4b185bdaf4ddd6b40d00a48b964cd06cf94 Author: Patrik Hägglund <patrik.h.hagglund at ericsson.com> Date: Wed Dec 5 14:28:34 2012 +0100 Change TargetLowering::getTypeForExtArgOrReturn to take and return MVTs, instead of EVTs. Accordingly, add bitsLT (and similar) to MVT. include/llvm/CodeGen/ValueTypes.h | 21 +++++++++++++++++++++ include/llvm/Target/TargetLowering.h | 4 ++-- lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 3 ++- lib/Target/X86/X86ISelLowering.cpp | 6 +++--- lib/Target/X86/X86ISelLowering.h | 4 ++-- 5 files changed, 30 insertions(+), 8 deletions(-) commit c2b741acf39b269946a85d7676045fe59e29b290 Author: Patrik Hägglund <patrik.h.hagglund at ericsson.com> Date: Thu Dec 6 10:25:43 2012 +0100 Change RegVT in BitTestBlock and RegsForValue, in SelectionDAGBuilder, to contain MVTs, instead of EVTs. lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 21 ++++++++++----------- lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h | 4 ++-- 2 files changed, 12 insertions(+), 13 deletions(-) commit 2f58c92a7734f827bf57d8e920afd55a9e56f1d7 Author: Patrik Hägglund <patrik.h.hagglund at ericsson.com> Date: Thu Dec 6 10:30:11 2012 +0100 In SelectionDAGBuilder, split the usage of 'EVT PartVT' into 'MVT PartVT' and 'EVT PartEVT'. lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 75 ++++++++++++------------ 1 file changed, 38 insertions(+), 37 deletions(-) From: Chris Lattner [mailto:clattner at apple.com] Sent: den 4 december 2012 00:46 To: Patrik Hägglund H Cc: llvmdev at cs.uiuc.edu Subject: Re: [LLVMdev] [RFC] Replacing EVT:s with MVT:s (when possible) On Dec 3, 2012, at 1:14 PM, Patrik Hägglund H <patrik.h.hagglund at ericsson.com<mailto:patrik.h.hagglund at ericsson.com>> wrote: There seems to be quite a few places where the EVT type is used, but the code asserts if the variable/parameter is assigned something else than an MVT. Are there any general objections to replace EVT with MVT in these cases? For example, a quick look at TargetLowering.h give me this list of (member) functions, taking an EVT parameter, that asserts if the argument is not an MVT: getRegClassFor, getRepRegClassFor, getRepRegClassCostFor, setTypeAction, getLoadExtAction, isLoadExtLegal, getTruncStoreAction, isTruncStoreLegal, getIndexedLoadAction, getIndexedStoreAction, getCondCodeAction, getTypeToPromoteTo, addRegisterClass Please do. MVT is cheaper than EVT and conceptually cleaner when dealing with physical machine types. EVT should only be used in parts of the code generator that are "pre-legalization" because they can represent arbitrary IR types. Anything that takes a legal machine type should take an MVT. -Chris -------------- next part -------------- An HTML attachment was scrubbed... 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