[GlobalISel] Tidy up unnecessary calls to createGenericVirtualRegister
authorJay Foad <jay.foad@amd.com>
Fri, 31 Jan 2020 12:40:31 +0000 (12:40 +0000)
committerJay Foad <jay.foad@amd.com>
Fri, 31 Jan 2020 17:07:16 +0000 (17:07 +0000)
commit2a1b5af29911233b50a54df2670b04798d3b4165
tree8dab140ddc9a50db095998157a6d7c62e36fa0e0
parent6c7efe2eecf1495d2416ebc485025859d9dee74a
[GlobalISel] Tidy up unnecessary calls to createGenericVirtualRegister

Summary:
As a side effect some redundant copies of constant values are removed by
CSEMIRBuilder.

Reviewers: aemerson, arsenm, dsanders, aditya_nandakumar

Subscribers: sdardis, jvesely, wdng, nhaehnle, rovka, hiraditya, jrtc27, atanasyan, volkan, Petar.Avramovic, kerbowa, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D73789
17 files changed:
llvm/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h
llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
llvm/lib/Target/AArch64/AArch64CallLowering.cpp
llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp
llvm/lib/Target/AMDGPU/AMDGPUCallLowering.cpp
llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
llvm/lib/Target/ARM/ARMCallLowering.cpp
llvm/lib/Target/ARM/ARMLegalizerInfo.cpp
llvm/lib/Target/Mips/MipsCallLowering.cpp
llvm/lib/Target/Mips/MipsLegalizerInfo.cpp
llvm/lib/Target/X86/X86CallLowering.cpp
llvm/test/CodeGen/AArch64/GlobalISel/call-translator-cse.ll
llvm/test/CodeGen/AArch64/GlobalISel/call-translator-ios.ll
llvm/test/CodeGen/AArch64/GlobalISel/call-translator.ll
llvm/test/CodeGen/ARM/GlobalISel/arm-legalize-fp.mir
llvm/test/CodeGen/X86/GlobalISel/irtranslator-callingconv.ll