llvm-6502/test/Transforms/InstCombine/2006-10-19-SignedToUnsignedCastAndConst-2.ll
Devang Patel 002e499650 It is OK to remove extra cast if operation is EQ/NE even though source
and destination sign may not match but other conditions are met.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31056 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-19 20:59:13 +00:00

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LLVM

; The optimizer should be able to remove cast operation here.
; RUN: llvm-as %s -o - | opt -instcombine | llvm-dis | not grep 'cast.*int'
bool %eq_signed_to_small_unsigned(sbyte %SB) {
%Y = cast sbyte %SB to uint ; <uint> [#uses=1]
%C = seteq uint %Y, 17 ; <bool> [#uses=1]
ret bool %C
}