ganeshgit wrote: > @ganeshgit last week i found machine code error in code. For all ACE (in fact > helpful for all machine code changes) can you also include > `-DLLVM_ENABLE_EXPENSIVE_CHECKS=ON` in your configuration. > > ``` > # | # After Instruction Selection > # | # Machine code for function test_bsrmovh_set: IsSSA, TracksLiveness > # | Function Live Ins: $zmm0 in %0 > # | > # | bb.0 (%ir-block.0): > # | liveins: $zmm0 > # | %0:vr512 = COPY $zmm0 > # | BSRMOVHrr_set %0:vr512, implicit-def dead $bsr0, implicit $bsr0 > # | RET 0 > # | > # | # End machine code for function test_bsrmovh_set. > # | > # | *** Bad machine code: Using an undefined physical register *** > # | - function: test_bsrmovh_set > # | - basic block: %bb.0 (0x613d39cc0168) > # | - instruction: BSRMOVHrr_set %0:vr512, implicit-def dead $bsr0, implicit > $bsr0 > # | - operand 2: implicit $bsr0 > # | LLVM ERROR: Found 1 machine code errors > ```
BSR handled as register class largely contributed to this failure. Now it is not a register class. I have added -DDLLVM_ENABLE_EXPENSIVE_CHECKS in my config. Thanks for the pointer. https://github.com/llvm/llvm-project/pull/208408 _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
