llvm-project/llvm/test/Transforms/InstCombine/2006-10-19-SignedToUnsigned...

11 lines
334 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
}