Re-commit AMDGPU/GlobalISel: Add support for simple shaders
Fix build when global-isel is disabled and fix a warning.
Summary: We can select constant/global G_LOAD, global G_STORE, and G_GEP.
Reviewers: qcolombet, MatzeB, t.p.northover, ab, arsenm
Subscribers: mehdi_amini, vkalintiris, kzhuravl, wdng, nhaehnle, mgorny, yaxunl, tony-tye, modocache, llvm-commits, dberris
Differential Revision: https://reviews.llvm.org/D26730
llvm-svn: 293551
2017-01-30 22:56:46 +01:00
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//===- AMDGPULegalizerInfo.cpp -----------------------------------*- C++ -*-==//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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/// \file
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/// This file implements the targeting of the Machinelegalizer class for
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/// AMDGPU.
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/// \todo This should be generated by TableGen.
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//===----------------------------------------------------------------------===//
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#include "AMDGPULegalizerInfo.h"
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#include "llvm/CodeGen/ValueTypes.h"
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#include "llvm/IR/DerivedTypes.h"
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2017-06-06 13:49:48 +02:00
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#include "llvm/IR/Type.h"
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Re-commit AMDGPU/GlobalISel: Add support for simple shaders
Fix build when global-isel is disabled and fix a warning.
Summary: We can select constant/global G_LOAD, global G_STORE, and G_GEP.
Reviewers: qcolombet, MatzeB, t.p.northover, ab, arsenm
Subscribers: mehdi_amini, vkalintiris, kzhuravl, wdng, nhaehnle, mgorny, yaxunl, tony-tye, modocache, llvm-commits, dberris
Differential Revision: https://reviews.llvm.org/D26730
llvm-svn: 293551
2017-01-30 22:56:46 +01:00
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#include "llvm/Support/Debug.h"
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2017-06-06 13:49:48 +02:00
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#include "llvm/Target/TargetOpcodes.h"
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Re-commit AMDGPU/GlobalISel: Add support for simple shaders
Fix build when global-isel is disabled and fix a warning.
Summary: We can select constant/global G_LOAD, global G_STORE, and G_GEP.
Reviewers: qcolombet, MatzeB, t.p.northover, ab, arsenm
Subscribers: mehdi_amini, vkalintiris, kzhuravl, wdng, nhaehnle, mgorny, yaxunl, tony-tye, modocache, llvm-commits, dberris
Differential Revision: https://reviews.llvm.org/D26730
llvm-svn: 293551
2017-01-30 22:56:46 +01:00
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using namespace llvm;
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#ifndef LLVM_BUILD_GLOBAL_ISEL
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#error "You shouldn't build this"
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#endif
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AMDGPULegalizerInfo::AMDGPULegalizerInfo() {
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using namespace TargetOpcode;
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AMDGPU/GlobalISel: Mark 1-bit integer constants as legal
Summary:
These are mostly legal, but will probably need special lowering for some
cases.
Reviewers: arsenm
Reviewed By: arsenm
Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, rovka, kristof.beyls, igorb, dstuttard, tpr, llvm-commits, t-tye
Differential Revision: https://reviews.llvm.org/D33791
llvm-svn: 304628
2017-06-03 03:13:33 +02:00
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const LLT S1= LLT::scalar(1);
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AMDGPU/GlobalISel: Mark G_BITCAST s32 <--> <2 x s16> legal
Reviewers: arsenm
Reviewed By: arsenm
Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, rovka, kristof.beyls, igorb, dstuttard, tpr, t-tye, llvm-commits
Differential Revision: https://reviews.llvm.org/D34129
llvm-svn: 305692
2017-06-19 15:15:45 +02:00
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const LLT V2S16 = LLT::vector(2, 16);
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Re-commit AMDGPU/GlobalISel: Add support for simple shaders
Fix build when global-isel is disabled and fix a warning.
Summary: We can select constant/global G_LOAD, global G_STORE, and G_GEP.
Reviewers: qcolombet, MatzeB, t.p.northover, ab, arsenm
Subscribers: mehdi_amini, vkalintiris, kzhuravl, wdng, nhaehnle, mgorny, yaxunl, tony-tye, modocache, llvm-commits, dberris
Differential Revision: https://reviews.llvm.org/D26730
llvm-svn: 293551
2017-01-30 22:56:46 +01:00
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const LLT S32 = LLT::scalar(32);
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const LLT S64 = LLT::scalar(64);
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const LLT P1 = LLT::pointer(1, 64);
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const LLT P2 = LLT::pointer(2, 64);
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AMDGPU/GlobalISel: Mark 32-bit G_ADD as legal
Reviewers: arsenm
Reviewed By: arsenm
Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, rovka, kristof.beyls, igorb, dstuttard, tpr, llvm-commits, t-tye
Differential Revision: https://reviews.llvm.org/D33992
llvm-svn: 305232
2017-06-12 22:54:56 +02:00
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setAction({G_ADD, S32}, Legal);
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AMDGPU/GlobalISel: Mark 32-bit G_AND as legal
Reviewers: arsenm
Reviewed By: arsenm
Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, rovka, kristof.beyls, igorb, dstuttard, tpr, t-tye, llvm-commits
Differential Revision: https://reviews.llvm.org/D34349
llvm-svn: 306112
2017-06-23 17:17:17 +02:00
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setAction({G_AND, S32}, Legal);
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AMDGPU/GlobalISel: Mark 32-bit G_ADD as legal
Reviewers: arsenm
Reviewed By: arsenm
Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, rovka, kristof.beyls, igorb, dstuttard, tpr, llvm-commits, t-tye
Differential Revision: https://reviews.llvm.org/D33992
llvm-svn: 305232
2017-06-12 22:54:56 +02:00
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AMDGPU/GlobalISel: Mark G_BITCAST s32 <--> <2 x s16> legal
Reviewers: arsenm
Reviewed By: arsenm
Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, rovka, kristof.beyls, igorb, dstuttard, tpr, t-tye, llvm-commits
Differential Revision: https://reviews.llvm.org/D34129
llvm-svn: 305692
2017-06-19 15:15:45 +02:00
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setAction({G_BITCAST, V2S16}, Legal);
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setAction({G_BITCAST, 1, S32}, Legal);
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setAction({G_BITCAST, S32}, Legal);
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setAction({G_BITCAST, 1, V2S16}, Legal);
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AMDGPU/GlobalISel: Mark 1-bit integer constants as legal
Summary:
These are mostly legal, but will probably need special lowering for some
cases.
Reviewers: arsenm
Reviewed By: arsenm
Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, rovka, kristof.beyls, igorb, dstuttard, tpr, llvm-commits, t-tye
Differential Revision: https://reviews.llvm.org/D33791
llvm-svn: 304628
2017-06-03 03:13:33 +02:00
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// FIXME: i1 operands to intrinsics should always be legal, but other i1
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// values may not be legal. We need to figure out how to distinguish
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// between these two scenarios.
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setAction({G_CONSTANT, S1}, Legal);
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AMDGPU/GlobalISel: Mark 32-bit integer constants as legal
Reviewers: arsenm
Reviewed By: arsenm
Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, rovka, kristof.beyls, igorb, dstuttard, tpr, t-tye, llvm-commits
Differential Revision: https://reviews.llvm.org/D33115
llvm-svn: 302919
2017-05-12 18:46:46 +02:00
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setAction({G_CONSTANT, S32}, Legal);
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Re-commit AMDGPU/GlobalISel: Add support for simple shaders
Fix build when global-isel is disabled and fix a warning.
Summary: We can select constant/global G_LOAD, global G_STORE, and G_GEP.
Reviewers: qcolombet, MatzeB, t.p.northover, ab, arsenm
Subscribers: mehdi_amini, vkalintiris, kzhuravl, wdng, nhaehnle, mgorny, yaxunl, tony-tye, modocache, llvm-commits, dberris
Differential Revision: https://reviews.llvm.org/D26730
llvm-svn: 293551
2017-01-30 22:56:46 +01:00
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setAction({G_CONSTANT, S64}, Legal);
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AMDGPU/GlobalISel: Mark 32-bit float constants as legal
Reviewers: arsenm
Reviewed By: arsenm
Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, rovka, kristof.beyls, igorb, dstuttard, tpr, t-tye, llvm-commits
Differential Revision: https://reviews.llvm.org/D33212
llvm-svn: 304003
2017-05-26 18:40:03 +02:00
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setAction({G_FCONSTANT, S32}, Legal);
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Re-commit AMDGPU/GlobalISel: Add support for simple shaders
Fix build when global-isel is disabled and fix a warning.
Summary: We can select constant/global G_LOAD, global G_STORE, and G_GEP.
Reviewers: qcolombet, MatzeB, t.p.northover, ab, arsenm
Subscribers: mehdi_amini, vkalintiris, kzhuravl, wdng, nhaehnle, mgorny, yaxunl, tony-tye, modocache, llvm-commits, dberris
Differential Revision: https://reviews.llvm.org/D26730
llvm-svn: 293551
2017-01-30 22:56:46 +01:00
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setAction({G_GEP, P1}, Legal);
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setAction({G_GEP, P2}, Legal);
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setAction({G_GEP, 1, S64}, Legal);
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AMDGPU/GlobalISel: Mark 32-bit G_ICMP as legal
Reviewers: arsenm
Reviewed By: arsenm
Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, rovka, kristof.beyls, igorb, dstuttard, tpr, t-tye, llvm-commits
Differential Revision: https://reviews.llvm.org/D33890
llvm-svn: 304797
2017-06-06 16:16:50 +02:00
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setAction({G_ICMP, S1}, Legal);
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setAction({G_ICMP, 1, S32}, Legal);
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Re-commit AMDGPU/GlobalISel: Add support for simple shaders
Fix build when global-isel is disabled and fix a warning.
Summary: We can select constant/global G_LOAD, global G_STORE, and G_GEP.
Reviewers: qcolombet, MatzeB, t.p.northover, ab, arsenm
Subscribers: mehdi_amini, vkalintiris, kzhuravl, wdng, nhaehnle, mgorny, yaxunl, tony-tye, modocache, llvm-commits, dberris
Differential Revision: https://reviews.llvm.org/D26730
llvm-svn: 293551
2017-01-30 22:56:46 +01:00
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setAction({G_LOAD, P1}, Legal);
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setAction({G_LOAD, P2}, Legal);
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setAction({G_LOAD, S32}, Legal);
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setAction({G_LOAD, 1, P1}, Legal);
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setAction({G_LOAD, 1, P2}, Legal);
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AMDGPU/GlobalISel: Mark 32-bit G_SELECT as legal
Reviewers: arsenm
Reviewed By: arsenm
Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, rovka, kristof.beyls, igorb, dstuttard, tpr, t-tye, llvm-commits
Differential Revision: https://reviews.llvm.org/D33949
llvm-svn: 304910
2017-06-07 15:54:51 +02:00
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setAction({G_SELECT, S32}, Legal);
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setAction({G_SELECT, 1, S1}, Legal);
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AMDGPU/GlobalISel: Mark 32-bit G_SHL as legal
Reviewers: arsenm
Reviewed By: arsenm
Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, rovka, kristof.beyls, igorb, dstuttard, tpr, t-tye, llvm-commits
Differential Revision: https://reviews.llvm.org/D34589
llvm-svn: 306298
2017-06-26 17:56:52 +02:00
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setAction({G_SHL, S32}, Legal);
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Re-commit AMDGPU/GlobalISel: Add support for simple shaders
Fix build when global-isel is disabled and fix a warning.
Summary: We can select constant/global G_LOAD, global G_STORE, and G_GEP.
Reviewers: qcolombet, MatzeB, t.p.northover, ab, arsenm
Subscribers: mehdi_amini, vkalintiris, kzhuravl, wdng, nhaehnle, mgorny, yaxunl, tony-tye, modocache, llvm-commits, dberris
Differential Revision: https://reviews.llvm.org/D26730
llvm-svn: 293551
2017-01-30 22:56:46 +01:00
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setAction({G_STORE, S32}, Legal);
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setAction({G_STORE, 1, P1}, Legal);
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// FIXME: When RegBankSelect inserts copies, it will only create new
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// registers with scalar types. This means we can end up with
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// G_LOAD/G_STORE/G_GEP instruction with scalar types for their pointer
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// operands. In assert builds, the instruction selector will assert
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// if it sees a generic instruction which isn't legal, so we need to
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// tell it that scalar types are legal for pointer operands
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setAction({G_GEP, S64}, Legal);
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setAction({G_LOAD, 1, S64}, Legal);
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setAction({G_STORE, 1, S64}, Legal);
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computeTables();
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}
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