llvm-project/llvm/test/Transforms/InstCombine/2004-11-22-Missed-and-fold.ll

11 lines
276 B
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep and
define i8 @test21(i8 %A) {
;; sign extend
%C = ashr i8 %A, 7 ; <i8> [#uses=1]
;; chop off sign
%D = and i8 %C, 1 ; <i8> [#uses=1]
ret i8 %D
}