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531 Commits

Author SHA1 Message Date
Quentin Colombet 85689d934a [RegisterBankInfo] Make addRegBankCoverage more capable to ease 
targeting jobs.
Now, addRegBankCoverage also adds the subreg-classes not just the
sub-classes of the given register class.

llvm-svn: 265469
 2016-04-05 21:20:12 +00:00
Quentin Colombet d347d695c2 [RegisterBankInfo] Implement the methods to create register banks. 
llvm-svn: 265464
 2016-04-05 21:06:15 +00:00
Quentin Colombet c4db2ad5b8 [RegisterBank] Provide a way to check if a register bank is valid. 
Change the default constructor to create invalid object.
The target will have to properly initialize the register banks before
using them.

llvm-svn: 265460
 2016-04-05 20:48:32 +00:00
Quentin Colombet b235d32e74 [GlobalISel] Add the RegisterBankInfo class for the handling of register banks. 
llvm-svn: 265449
 2016-04-05 20:02:47 +00:00
Quentin Colombet bdc3b4d523 [GlobalISel] Add a class, RegisterBank, to represent register banks. 
llvm-svn: 265445
 2016-04-05 19:54:44 +00:00
Quentin Colombet 8e8e85c19f [GlobalISel] Add the skeleton of the RegBankSelect pass. 
This pass is reponsible for assigning the generic virtual registers to register
banks.

llvm-svn: 265440
 2016-04-05 19:06:01 +00:00
Quentin Colombet dd4b137364 [IRTranslator] Translate unconditional branches. 
llvm-svn: 263265
 2016-03-11 17:28:03 +00:00
Quentin Colombet f9b4934d1d [MachineIRBuilder] Rework buildInstr API to maximize code reuse. 
llvm-svn: 263264
 2016-03-11 17:27:58 +00:00
Quentin Colombet e225e2541b [IRTranslator] Update getOrCreateVReg API to use references. 
A value that we want to keep in a virtual register cannot be null.
Reflect that in the API.

llvm-svn: 263263
 2016-03-11 17:27:54 +00:00
Quentin Colombet 000b580b13 [MachineIRBuilder] Rename the setter of MF for consistency with the getter. 
llvm-svn: 263262
 2016-03-11 17:27:51 +00:00
Quentin Colombet 91ebd71e26 [MachineIRBuilder] Rename the setter for MBB for consistency with the getter. 
llvm-svn: 263261
 2016-03-11 17:27:47 +00:00
Quentin Colombet 53237a9e64 [IRTranslator] Update getOrCreateBB API to use references. 
A null basic block is invalid, so just pass a reference.

llvm-svn: 263260
 2016-03-11 17:27:43 +00:00
Quentin Colombet 39293d3aaa [GlobalISel] Introduce initializer method to support start/stop-after features. 
llvm-svn: 262896
 2016-03-08 01:38:55 +00:00
Quentin Colombet 87e23e5733 [GlobalISel] Fix a ranlib warning about empty TOC. 
Fixes PR26733

llvm-svn: 262057
 2016-02-26 20:05:02 +00:00
Quentin Colombet ba2a01645b [GlobalISel] Re-apply r260922-260923 with MSVC-friendly code. 
Original message:
Get rid of the ifdefs in TargetLowering.
Introduce a new API used only by GlobalISel: CallLowering.
This API will contain target hooks dedicated to call lowering.

llvm-svn: 260998
 2016-02-16 19:26:02 +00:00
Aaron Ballman fc64ef1a15 Reverting r260922-260923; they cause link failures with MSVC. 
http://lab.llvm.org:8011/builders/lldb-x86-windows-msvc2015/builds/15436/steps/build/logs/stdio
http://bb.pgr.jp/builders/msbuild-llvmclang-x64-msc18-DA/builds/961/steps/build_llvm/logs/stdio

llvm-svn: 260972
 2016-02-16 15:29:06 +00:00
Quentin Colombet 1ce38545fb [GlobalISel] Get rid of the ifdefs in TargetLowering. 
Introduce a new API used only by GlobalISel: CallLowering.
This API will contain target hooks dedicated to call lowering.

llvm-svn: 260922
 2016-02-16 00:57:44 +00:00
Mehdi Amini 40b369cf5a GlobalISel is always built since r260566, reflect it in LLVMBuild.txt 
Other component could not depends on an optional library in llvm-config

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 260701
 2016-02-12 18:43:14 +00:00
Quentin Colombet ccd7725808 [IRTranslator] Use a single virtual register to represent any Value. 
PR26161.

llvm-svn: 260602
 2016-02-11 21:48:32 +00:00
Quentin Colombet 8fd6718700 [Target] Add a helper function to check if an opcode is invalid after isel. 
llvm-svn: 260590
 2016-02-11 21:16:56 +00:00
Quentin Colombet fd9d0a07d8 [GlobalISel] Add the necessary plumbing to lower formal arguments. 
llvm-svn: 260579
 2016-02-11 19:59:41 +00:00
Quentin Colombet 2e00253750 Play nice with Visual Studio and attributes 
llvm-svn: 260568
 2016-02-11 19:33:21 +00:00
Quentin Colombet bde158cbc7 [CMake] Produce an empty library for GlobalISel when not building it. 
The rational for this change is that LLVMBuild cannot express conditional 
dependencies. Therefore, when we start optionally using GlobalISel library for 
say AArch64, without that change, all the tools that use the AArch64 library 
would need to explicitly link with GlobalISel when we ask for it.

This does not scale.

Instead, we will set the dependencies between the target and GlobalISel and if 
we did not ask to build GlobalISel, the library will just be empty.

Thanks to Chris Bieneman and Mehdi Animi for the idea.

llvm-svn: 260566
 2016-02-11 19:18:27 +00:00
Quentin Colombet 74d7d2f00b [GlobalISel] Teach the IRTranslator how to lower returns. 
llvm-svn: 260562
 2016-02-11 18:53:28 +00:00
Quentin Colombet a7fae162e6 [GlobalISel][IRTranslator] Change the ownership of the MIRBuilder field. 
llvm-svn: 260551
 2016-02-11 17:53:23 +00:00
Quentin Colombet 4f0ec8d2b0 [GlobalISel][IRTranslator] Fix a typo in assert. 
llvm-svn: 260550
 2016-02-11 17:52:28 +00:00
Quentin Colombet 17c494b91c [GlobalISel][IRTranslator] Teach the pass how to translate Add instructions. 
llvm-svn: 260549
 2016-02-11 17:51:31 +00:00
Quentin Colombet 2ad1f851a1 [GlobalISel] Add a MachineIRBuilder class. 
Helper class to build machine instrs. This is a higher abstraction
than MachineInstrBuilder.

llvm-svn: 260547
 2016-02-11 17:44:59 +00:00
Quentin Colombet 2ecff3bff2 [GlobalISel] More detailed skeleton for the IRTranslator. 
llvm-svn: 260456
 2016-02-10 22:59:27 +00:00
Andrew Wilkins a7a8ab71aa [GlobalISel] make library an optional component 
Summary:
Mark the LLVMGlobalISel library as optional in
LLVMBuild.txt, since the library is only built
if LLVM_BUILD_GLOBAL_ISEL is set. Without doing
this, llvm-config includes the library in the
list of components regardless of whether it's
built, and then will error out when asked for
the library names/paths.

Reviewers: qcolombet

Subscribers: joker.eph, llvm-commits, vkalintiris

Differential Revision: http://reviews.llvm.org/D16386

llvm-svn: 258379
 2016-01-21 01:41:03 +00:00
Quentin Colombet 105cf2b179 [GlobalISel] Add the proper cmake plumbing. 
This patch adds the necessary plumbing to cmake to build the sources related to
GlobalISel.

To build the sources related to GlobalISel, we need to add -DBUILD_GLOBAL_ISEL=ON.
By default, this is OFF, thus GlobalISel sources will not impact people that do
not explicitly opt-in.

Differential Revision: http://reviews.llvm.org/D15983

llvm-svn: 258344
 2016-01-20 20:58:56 +00:00