llvm-6502/test/Transforms/InstCombine/2006-10-19-SignedToUnsignedCastAndConst-2.ll
2008-03-01 09:15:35 +00:00

11 lines
336 B
LLVM

; The optimizer should be able to remove cast operation here.
; RUN: llvm-as < %s -o - | opt -instcombine | llvm-dis | \
; 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
}