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(parent: db0b13c) | patch
ConstantFold: an undef shift amount results in undef
authorDavid Majnemer <david.majnemer@gmail.com>
Wed, 10 Dec 2014 21:38:05 +0000 (21:38 +0000)
committerDavid Majnemer <david.majnemer@gmail.com>
Wed, 10 Dec 2014 21:38:05 +0000 (21:38 +0000)
commit89cf6d79ebc573647c562e5f2bd6c4d11a839f8b
tree7f32ef6048967398e371ab3a82d2942c9dc71dc8tree | snapshot
parentdb0b13cef02411caadddf91a57c7c1ffafe34cd2commit | diff
ConstantFold: an undef shift amount results in undef

X shifted by undef results in undef because the undef value can
represent values greater than the width of the operands.

llvm-svn: 223968
llvm/lib/IR/ConstantFold.cpp diff | blob | history
llvm/test/Transforms/InstSimplify/undef.ll diff | blob | history
Domain: System / Toolchain;