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1; RUN: llc < %s -mtriple=i386-apple-darwin102; PR49103 4%0 = type { i32, i32, i32, i32 }5 6@boot_cpu_id = external global i32 ; <ptr> [#uses=1]7@cpu_logical = common global i32 0, align 4 ; <ptr> [#uses=1]8 9define void @topo_probe_0xb() nounwind ssp {10entry:11 br label %for.cond12 13for.cond: ; preds = %for.inc38, %entry14 %0 = phi i32 [ 0, %entry ], [ %inc40, %for.inc38 ] ; <i32> [#uses=3]15 %cmp = icmp slt i32 %0, 3 ; <i1> [#uses=1]16 br i1 %cmp, label %for.body, label %for.end4117 18for.body: ; preds = %for.cond19 %1 = tail call %0 asm sideeffect "cpuid", "={ax},={bx},={cx},={dx},0,{cx},~{dirflag},~{fpsr},~{flags}"(i32 11, i32 %0) nounwind ; <%0> [#uses=3]20 %asmresult.i = extractvalue %0 %1, 0 ; <i32> [#uses=1]21 %asmresult10.i = extractvalue %0 %1, 2 ; <i32> [#uses=1]22 %and = and i32 %asmresult.i, 31 ; <i32> [#uses=2]23 %shr42 = lshr i32 %asmresult10.i, 8 ; <i32> [#uses=1]24 %and12 = and i32 %shr42, 255 ; <i32> [#uses=2]25 %cmp14 = icmp eq i32 %and12, 0 ; <i1> [#uses=1]26 br i1 %cmp14, label %for.end41, label %lor.lhs.false27 28lor.lhs.false: ; preds = %for.body29 %asmresult9.i = extractvalue %0 %1, 1 ; <i32> [#uses=1]30 %and7 = and i32 %asmresult9.i, 65535 ; <i32> [#uses=1]31 %cmp16 = icmp eq i32 %and7, 0 ; <i1> [#uses=1]32 br i1 %cmp16, label %for.end41, label %for.cond17.preheader33 34for.cond17.preheader: ; preds = %lor.lhs.false35 %tmp24 = load i32, ptr @boot_cpu_id ; <i32> [#uses=1]36 %shr26 = ashr i32 %tmp24, %and ; <i32> [#uses=1]37 br label %for.body2038 39for.body20: ; preds = %for.body20, %for.cond17.preheader40 %2 = phi i32 [ 0, %for.cond17.preheader ], [ %inc32, %for.body20 ] ; <i32> [#uses=2]41 %cnt.143 = phi i32 [ 0, %for.cond17.preheader ], [ %inc.cnt.1, %for.body20 ] ; <i32> [#uses=1]42 %shr23 = ashr i32 %2, %and ; <i32> [#uses=1]43 %cmp27 = icmp eq i32 %shr23, %shr26 ; <i1> [#uses=1]44 %inc = zext i1 %cmp27 to i32 ; <i32> [#uses=1]45 %inc.cnt.1 = add i32 %inc, %cnt.143 ; <i32> [#uses=2]46 %inc32 = add nsw i32 %2, 1 ; <i32> [#uses=2]47 %exitcond = icmp eq i32 %inc32, 255 ; <i1> [#uses=1]48 br i1 %exitcond, label %for.end, label %for.body2049 50for.end: ; preds = %for.body2051 %cmp34 = icmp eq i32 %and12, 1 ; <i1> [#uses=1]52 br i1 %cmp34, label %if.then35, label %for.inc3853 54if.then35: ; preds = %for.end55 store i32 %inc.cnt.1, ptr @cpu_logical56 br label %for.inc3857 58for.inc38: ; preds = %for.end, %if.then3559 %inc40 = add nsw i32 %0, 1 ; <i32> [#uses=1]60 br label %for.cond61 62for.end41: ; preds = %lor.lhs.false, %for.body, %for.cond63 ret void64}65