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llvm-mirror/test/CodeGen/ARM/uxt_rot.ll
2009-09-09 00:09:15 +00:00

25 lines
638 B
LLVM

; 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 i8 @test1(i32 %A.u) zeroext {
%B.u = trunc i32 %A.u to i8
ret i8 %B.u
}
define i32 @test2(i32 %A.u, i32 %B.u) zeroext {
%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 i32 @test3(i32 %A.u) zeroext {
%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
}