; These tests should not contain a sign extend. | |
; RUN: llc < %s -march=ppc32 | not grep extsh | |
; RUN: llc < %s -march=ppc32 | not grep extsb | |
define i32 @test1(i32 %mode.0.i.0) { | |
%tmp.79 = trunc i32 %mode.0.i.0 to i16 | |
%tmp.80 = sext i16 %tmp.79 to i32 | |
%tmp.81 = and i32 %tmp.80, 24 | |
ret i32 %tmp.81 | |
} | |
define signext i16 @test2(i16 signext %X, i16 signext %x) { | |
%tmp = sext i16 %X to i32 | |
%tmp1 = sext i16 %x to i32 | |
%tmp2 = add i32 %tmp, %tmp1 | |
%tmp4 = ashr i32 %tmp2, 1 | |
%tmp5 = trunc i32 %tmp4 to i16 | |
%tmp45 = sext i16 %tmp5 to i32 | |
%retval = trunc i32 %tmp45 to i16 | |
ret i16 %retval | |
} | |
define signext i16 @test3(i32 zeroext %X) { | |
%tmp1 = lshr i32 %X, 16 | |
%tmp2 = trunc i32 %tmp1 to i16 | |
ret i16 %tmp2 | |
} | |