1 ; RUN: llc < %s -mtriple=i386-apple-darwin10 2 ; PR4910 3 4 %0 = type { i32, i32, i32, i32 } 5 6 @boot_cpu_id = external global i32 ; <i32*> [#uses=1] 7 @cpu_logical = common global i32 0, align 4 ; <i32*> [#uses=1] 8 9 define void @topo_probe_0xb() nounwind ssp { 10 entry: 11 br label %for.cond 12 13 for.cond: ; preds = %for.inc38, %entry 14 %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.end41 17 18 for.body: ; preds = %for.cond 19 %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.false 27 28 lor.lhs.false: ; preds = %for.body 29 %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.preheader 33 34 for.cond17.preheader: ; preds = %lor.lhs.false 35 %tmp24 = load i32* @boot_cpu_id ; <i32> [#uses=1] 36 %shr26 = ashr i32 %tmp24, %and ; <i32> [#uses=1] 37 br label %for.body20 38 39 for.body20: ; preds = %for.body20, %for.cond17.preheader 40 %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.body20 49 50 for.end: ; preds = %for.body20 51 %cmp34 = icmp eq i32 %and12, 1 ; <i1> [#uses=1] 52 br i1 %cmp34, label %if.then35, label %for.inc38 53 54 if.then35: ; preds = %for.end 55 store i32 %inc.cnt.1, i32* @cpu_logical 56 br label %for.inc38 57 58 for.inc38: ; preds = %for.end, %if.then35 59 %inc40 = add nsw i32 %0, 1 ; <i32> [#uses=1] 60 br label %for.cond 61 62 for.end41: ; preds = %lor.lhs.false, %for.body, %for.cond 63 ret void 64 } 65
