; RUN: llc < %s -march=arm -mattr=+v6 | grep uxtb | count 1 | |
; RUN: llc < %s -march=arm -mattr=+v6 | grep uxtab | count 1 | |
; RUN: llc < %s -march=arm -mattr=+v6 | grep uxth | count 1 | |
define zeroext i8 @test1(i32 %A.u) { | |
%B.u = trunc i32 %A.u to i8 | |
ret i8 %B.u | |
} | |
define zeroext i32 @test2(i32 %A.u, i32 %B.u) { | |
%C.u = trunc i32 %B.u to i8 | |
%D.u = zext i8 %C.u to i32 | |
%E.u = add i32 %A.u, %D.u | |
ret i32 %E.u | |
} | |
define zeroext i32 @test3(i32 %A.u) { | |
%B.u = lshr i32 %A.u, 8 | |
%C.u = shl i32 %A.u, 24 | |
%D.u = or i32 %B.u, %C.u | |
%E.u = trunc i32 %D.u to i16 | |
%F.u = zext i16 %E.u to i32 | |
ret i32 %F.u | |
} |