en Copyright 2015 Java http://172.16.0.5:8080/history/llvm-project-15.0.7/llvm/test/CodeGen/PowerPC/fold-frame-offset-using-rr.mir#68c6d7e1 [PowerPC] Fix fold-frame-offset-using-rr.mir typos in checks to fix issue reported on D77354Extra spaces, copy+paste duplicates and missing test name check List of files: /llvm-project-15.0.7/llvm/test/CodeGen/PowerPC/fold-frame-offset-using-rr.mir Wed, 08 Apr 2020 16:17:44 +0000 Simon Pilgrim <llvm-dev@redking.me.uk> http://172.16.0.5:8080/history/llvm-project-15.0.7/llvm/test/CodeGen/PowerPC/fold-frame-offset-using-rr.mir#4eeb56d0 [PowerPC] Don't do the folding if the operand is R0/X0We have this transformation in PowerPC peephole:Replace instruction: renamable $x28 = ADDI8 renamable $x7, -8 renamable $x28 = ADD8 killed renamable $x28, renamable $x0 STFD killed renamable $f0, -8, killed renamable $x28 :: (store 8 into %ir._ind_cast99.epil)with: renamable $x28 = ADDI8 renamable $x7, -16 STFDX killed renamable $f0, $x0, killed $x28 :: (store 8 into %ir._ind_cast99.epil)It is invalid as the '$x0' in STFDX is constant 0, not register r0.Reviewed By: NemanjaiDifferential Revision: https://reviews.llvm.org/D77034 List of files: /llvm-project-15.0.7/llvm/test/CodeGen/PowerPC/fold-frame-offset-using-rr.mir Tue, 31 Mar 2020 02:47:14 +0000 QingShan Zhang <qshanz@cn.ibm.com> http://172.16.0.5:8080/history/llvm-project-15.0.7/llvm/test/CodeGen/PowerPC/fold-frame-offset-using-rr.mir#82205914 [PowerPC] [Peephole] fold frame offset by using index form to save add.renamable $x6 = ADDI8 $x1, -80 ;;; 0 is replaced with -80renamable $x6 = ADD8 killed renamable $x6, renamable $x5STW killed renamable $r3, 4, killed renamable $x6 :: (store 4 into %ir.14, !tbaa !2)After PEI there is a peephole opt opportunity to combine above -80 in ADDI8 with 4 in the STW to eliminate unnecessary ADD8.Expected result:renamable $x6 = ADDI8 $x1, -76STWX killed renamable $r3, renamable $x5, killed renamable $x6 :: (store 4 into %ir.6, !tbaa !2)Reviewed by: stefanpDifferential Revision: https://reviews.llvm.org/D66329 List of files: /llvm-project-15.0.7/llvm/test/CodeGen/PowerPC/fold-frame-offset-using-rr.mir Fri, 25 Oct 2019 08:13:30 +0000 czhengsz <czhengsz@cn.ibm.com> http://172.16.0.5:8080/history/llvm-project-15.0.7/llvm/test/CodeGen/PowerPC/fold-frame-offset-using-rr.mir#02cbdbda [PowerPC] add testcases for folding frame offset - NFCllvm-svn: 369077 List of files: /llvm-project-15.0.7/llvm/test/CodeGen/PowerPC/fold-frame-offset-using-rr.mir Fri, 16 Aug 2019 01:52:50 +0000 Chen Zheng <czhengsz@cn.ibm.com>