[PATCH] D144369: [InstCombine] Remove early constant fold

[Vitaly Buka via Phabricator via llvm-commits]

vitalybuka added a comment.

Original is on ARM https://gist.github.com/vitalybuka/82f6c5b2ab51ee027df13c2c35a95ffb

but I can reproduce compiling the one above on my default x86_64 checkout:

time <yourbuild>/bin/clang++  -fsanitize=undefined -Wl,--rpath=/b/sanitizer-aarch64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/lib -L/b/sanitizer-aarch64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/lib -w -stdlib=libc++ -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-class-memaccess -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fno-omit-frame-pointer -gline-tables-only -fsanitize=undefined -fno-sanitize=vptr,function -fno-sanitize-recover=all  -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -Wno-nested-anon-types -O3 -DNDEBUG -Wno-variadic-macros -Wno-gnu-zero-variadic-macro-arguments -fno-exceptions -fno-rtti -Wno-suggest-override -std=c++17 -o /dev/null -c t.cpp


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D144369/new/

https://reviews.llvm.org/D144369