2007-05-30-dagcombine-miscomp.ll   [plain text]

target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64"
target triple = "powerpc-apple-darwin8.8.0"

; RUN: llc < %s -march=ppc32 | grep "rlwinm r3, r3, 23, 30, 30"
; PR1473

define zeroext i8 @foo(i16 zeroext  %a)   {
        %tmp2 = lshr i16 %a, 10         ; <i16> [#uses=1]
        %tmp23 = trunc i16 %tmp2 to i8          ; <i8> [#uses=1]
        %tmp4 = shl i8 %tmp23, 1                ; <i8> [#uses=1]
        %tmp5 = and i8 %tmp4, 2         ; <i8> [#uses=1]
        ret i8 %tmp5
}