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d654e7d40c
Enable enableMultipleCopyHints() on X86. Original Patch by @jonpa: While enabling the mischeduler for SystemZ, it was discovered that for some reason a test needed one extra seemingly needless COPY (test/CodeGen/SystemZ/call-03.ll). The handling for that is resulted in this patch, which improves the register coalescing by providing not just one copy hint, but a sorted list of copy hints. On SystemZ, this gives ~12500 less register moves on SPEC, as well as marginally less spilling. Instead of improving just the SystemZ backend, the improvement has been implemented in common-code (calculateSpillWeightAndHint(). This gives a lot of test failures, but since this should be a general improvement I hope that the involved targets will help and review the test updates. Differential Revision: https://reviews.llvm.org/D38128 llvm-svn: 342578 |
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| .. | ||
| anonymous-struct.ll | ||
| array-odr-violation.ll | ||
| asan-module-ctor.ll | ||
| asan-module-without-functions.ll | ||
| asm.ll | ||
| big-type.ll | ||
| bitfields.ll | ||
| comdat.ll | ||
| const-unnamed-member.ll | ||
| cpp-mangling.ll | ||
| defer-complete-type.ll | ||
| dlang.ll | ||
| enum.ll | ||
| fp-stack.ll | ||
| fpo-argsize.ll | ||
| fpo-csrs.ll | ||
| fpo-funclet.ll | ||
| fpo-realign-alloca.ll | ||
| fpo-shrink-wrap.ll | ||
| fpo-stack-protect.ll | ||
| global-dllimport.ll | ||
| global-type-hashes.ll | ||
| globals-discarded.ll | ||
| globals.ll | ||
| inheritance.ll | ||
| inlining-files.ll | ||
| inlining-header.ll | ||
| inlining-levels.ll | ||
| inlining-padding.ll | ||
| inlining-same-name.ll | ||
| inlining.ll | ||
| int8-char-type.ll | ||
| lambda.ll | ||
| lexicalblock.ll | ||
| lines-bb-start.ll | ||
| lines-difile.ll | ||
| lit.local.cfg | ||
| local-constant.ll | ||
| local-variable-gap.ll | ||
| local-variables.ll | ||
| long-name.ll | ||
| long-type-name.ll | ||
| multifile.ll | ||
| multifunction.ll | ||
| nested-types.ll | ||
| no-cus.ll | ||
| parameter-order.ll | ||
| pieces.ll | ||
| pr28747.ll | ||
| pr37492.ll | ||
| purge-typedef-udts.ll | ||
| register-variables.ll | ||
| retained-types.ll | ||
| scopes.ll | ||
| simple.ll | ||
| static-methods.ll | ||
| synthetic.ll | ||
| tail-call-without-lexical-scopes.ll | ||
| thunk.ll | ||
| type-quals.ll | ||
| typedef.ll | ||
| types-array-advanced.ll | ||
| types-array-unsized.ll | ||
| types-array.ll | ||
| types-basic.ll | ||
| types-calling-conv.ll | ||
| types-cvarargs.ll | ||
| types-data-members.ll | ||
| types-nested-class.ll | ||
| types-non-virtual-methods.ll | ||
| types-ptr-to-member.ll | ||
| types-recursive-struct.ll | ||
| types-recursive-unnamed.ll | ||
| udts.ll | ||
| unnamed.ll | ||
| vftables.ll | ||
| virtual-method-kinds.ll | ||
| virtual-methods.ll | ||
| vtable-optzn-array.ll | ||