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author	Nikita Popov <nikita.ppv@gmail.com>
	Sat, 25 Apr 2020 10:57:07 +0000 (12:57 +0200)
committer	Nikita Popov <nikita.ppv@gmail.com>
	Fri, 15 May 2020 17:41:07 +0000 (19:41 +0200)
commit	f89f7da999f362e4213c69923328dd1033276e59
tree	63f17f52b9d77ffec7c62fe9c5332603d83f007f	tree \| snapshot
parent	9de4ee3815db2b49960e931bcc3c0cc6a28ad0de	commit \| diff

[IR] Convert null-pointer-is-valid into an enum attribute

The "null-pointer-is-valid" attribute needs to be checked by many
pointer-related combines. To make the check more efficient, convert
it from a string into an enum attribute.

In the future, this attribute may be replaced with data layout
properties.

Differential Revision: https://reviews.llvm.org/D78862

79 files changed:

clang/lib/CodeGen/CGCall.cpp		diff \| blob \| history
clang/test/CodeGen/delete-null-pointer-checks.c		diff \| blob \| history
llvm/docs/LangRef.rst		diff \| blob \| history
llvm/include/llvm/Bitcode/LLVMBitCodes.h		diff \| blob \| history
llvm/include/llvm/IR/Attributes.td		diff \| blob \| history
llvm/include/llvm/IR/AutoUpgrade.h		diff \| blob \| history
llvm/lib/AsmParser/LLLexer.cpp		diff \| blob \| history
llvm/lib/AsmParser/LLParser.cpp		diff \| blob \| history
llvm/lib/AsmParser/LLToken.h		diff \| blob \| history
llvm/lib/Bitcode/Reader/BitcodeReader.cpp		diff \| blob \| history
llvm/lib/Bitcode/Writer/BitcodeWriter.cpp		diff \| blob \| history
llvm/lib/IR/Attributes.cpp		diff \| blob \| history
llvm/lib/IR/AutoUpgrade.cpp		diff \| blob \| history
llvm/lib/IR/Function.cpp		diff \| blob \| history
llvm/lib/IR/Verifier.cpp		diff \| blob \| history
llvm/lib/Transforms/Utils/CodeExtractor.cpp		diff \| blob \| history
llvm/test/Analysis/MemorySSA/cyclicphi.ll		diff \| blob \| history
llvm/test/Analysis/ValueTracking/assume.ll		diff \| blob \| history
llvm/test/Bitcode/attributes.ll		diff \| blob \| history
llvm/test/Transforms/Attributor/IPConstantProp/PR26044.ll		diff \| blob \| history
llvm/test/Transforms/Attributor/align.ll		diff \| blob \| history
llvm/test/Transforms/Attributor/nocapture-1.ll		diff \| blob \| history
llvm/test/Transforms/Attributor/nonnull.ll		diff \| blob \| history
llvm/test/Transforms/Attributor/norecurse.ll		diff \| blob \| history
llvm/test/Transforms/Attributor/undefined_behavior.ll		diff \| blob \| history
llvm/test/Transforms/CorrelatedValuePropagation/non-null.ll		diff \| blob \| history
llvm/test/Transforms/FunctionAttrs/nocapture.ll		diff \| blob \| history
llvm/test/Transforms/FunctionAttrs/nonnull.ll		diff \| blob \| history
llvm/test/Transforms/GVN/PRE/2018-06-08-pre-load-dbgloc-no-null-opt.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/MallocSROA-section-no-null-opt.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/heap-sra-1-no-null-opt.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/heap-sra-1.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/heap-sra-2-no-null-opt.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/heap-sra-2.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/heap-sra-3-no-null-opt.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/heap-sra-3.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/heap-sra-4-no-null-opt.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/heap-sra-4.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/heap-sra-phi-no-null-opt.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/heap-sra-phi.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/load-store-global-no-null-opt.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/malloc-promote-1-no-null-opt.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/malloc-promote-1.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/malloc-promote-2-no-null-opt.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/malloc-promote-2.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/storepointer-compare-no-null-opt.ll		diff \| blob \| history
llvm/test/Transforms/GlobalOpt/storepointer-no-null-opt.ll		diff \| blob \| history
llvm/test/Transforms/IPConstantProp/PR26044.ll		diff \| blob \| history
llvm/test/Transforms/Inline/attributes.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/atomic.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/invariant.group.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/invoke.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/lifetime-no-null-opt.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/load.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/mem-deref-bytes.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/memchr.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/memcpy-addrspace.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/memcpy-from-global.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/memrchr.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/select.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/store.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/strchr-1.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/strcpy_chk-64.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/strlen-1.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/strncat-2.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/strncmp-1.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/strrchr-1.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/strstr-1.ll		diff \| blob \| history
llvm/test/Transforms/InstCombine/wcslen-1.ll		diff \| blob \| history
llvm/test/Transforms/InstSimplify/compare.ll		diff \| blob \| history
llvm/test/Transforms/LoopIdiom/pr28196.ll		diff \| blob \| history
llvm/test/Transforms/LoopVersioning/lcssa.ll		diff \| blob \| history
llvm/test/Transforms/SimplifyCFG/UnreachableEliminate.ll		diff \| blob \| history
llvm/test/Transforms/SimplifyCFG/invoke.ll		diff \| blob \| history
llvm/test/Transforms/SimplifyCFG/phi-undef-loadstore.ll		diff \| blob \| history
llvm/test/Transforms/SimplifyCFG/trap-no-null-opt-debugloc.ll		diff \| blob \| history
llvm/test/Transforms/SimplifyCFG/trapping-load-unreachable.ll		diff \| blob \| history
llvm/test/Transforms/Util/assume-builder.ll		diff \| blob \| history
mlir/test/Target/llvmir.mlir		diff \| blob \| history

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