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* [AMDGPU] Allow folding of sgpr to vgpr copyStanislav Mekhanoshin2019-10-231-14/+14
| | | | | | | | Potentially sgpr to sgpr copy should also be possible. That is however trickier because we may end up with a wrong register class at use because of xm0/xexec permutations. Differential Revision: https://reviews.llvm.org/D69280
* [TargetLowering] Simplify expansion of S{ADD,SUB}ORoger Ferrer Ibanez2019-09-301-296/+182
| | | | | | | | | | ISD::SADDO uses the suggested sequence described in the section §2.4 of the RISCV Spec v2.2. ISD::SSUBO uses the dual approach but checking for (non-zero) positive. Differential Revision: https://reviews.llvm.org/D47927 llvm-svn: 373187
* [AMDGPU] Regenerated saddo.ll test file for D47927Simon Pilgrim2019-08-021-20/+557
| | | | llvm-svn: 367698
* [CodeGen] Handle vector UADDO, SADDO, USUBO, SSUBONikita Popov2019-02-071-1/+23
| | | | | | | | | | | | | | | This is part of https://bugs.llvm.org/show_bug.cgi?id=40442. Vector legalization is implemented for the add/sub overflow opcodes. UMULO/SMULO are also handled as far as legalization is concerned, but they don't support vector expansion yet (so no tests for them). The vector result widening implementation is suboptimal, because it could result in a legalization loop. Differential Revision: https://reviews.llvm.org/D57639 llvm-svn: 353464
* AMDGPU: Use gfx9 carry-less add/sub instructionsMatt Arsenault2017-11-301-4/+8
| | | | llvm-svn: 319491
* [AMDGPU][MC][GFX8][GFX9] Corrected names of integer ↵Dmitry Preobrazhensky2017-11-201-1/+1
| | | | | | | | | | | | v_{add/addc/sub/subrev/subb/subbrev} See bug 34765: https://bugs.llvm.org//show_bug.cgi?id=34765 Reviewers: tamazov, SamWot, arsenm, vpykhtin Differential Revision: https://reviews.llvm.org/D40088 llvm-svn: 318675
* AMDGPU: Remove -mcpu=SIMatt Arsenault2017-08-071-3/+3
| | | | | | Leftover from before amdgcn/r600 split. llvm-svn: 310277
* [AMDGPU] Switch scalarize global loads ON by defaultAlexander Timofeev2017-07-041-3/+3
| | | | | | Differential revision: https://reviews.llvm.org/D34407 llvm-svn: 307097
* Revert r307026, "[AMDGPU] Switch scalarize global loads ON by default"NAKAMURA Takumi2017-07-041-3/+3
| | | | | | | | | It broke a testcase. Failing Tests (1): LLVM :: CodeGen/AMDGPU/alignbit-pat.ll llvm-svn: 307054
* [AMDGPU] Switch scalarize global loads ON by defaultAlexander Timofeev2017-07-031-3/+3
| | | | | | Differential revision: https://reviews.llvm.org/D34407 llvm-svn: 307026
* AMDGPU: Mark all unspecified CC functions in tests as amdgpu_kernelMatt Arsenault2017-03-211-5/+5
| | | | | | | | | | | | Currently the default C calling convention functions are treated the same as compute kernels. Make this explicit so the default calling convention can be changed to a non-kernel. Converted with perl -pi -e 's/define void/define amdgpu_kernel void/' on the relevant test directories (and undoing in one place that actually wanted a non-kernel). llvm-svn: 298444
* R600 -> AMDGPU renameTom Stellard2015-06-131-0/+63
llvm-svn: 239657
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