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llvm-mirror/test/Transforms/InstCombine/2006-10-19-SignedToUnsignedCastAndConst-2.ll
2009-09-09 00:09:15 +00:00

11 lines
313 B
LLVM

; The optimizer should be able to remove cast operation here.
; RUN: opt < %s -instcombine -S | \
; RUN: not grep sext.*i32
define i1 @eq_signed_to_small_unsigned(i8 %SB) {
%Y = sext i8 %SB to i32 ; <i32> [#uses=1]
%C = icmp eq i32 %Y, 17 ; <i1> [#uses=1]
ret i1 %C
}