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      1 ; RUN: llc < %s -mtriple=i386-apple-darwin -mcpu=core2
      2 ; rdar://7857830
      3 
      4 %0 = type opaque
      5 %1 = type opaque
      6 
      7 define void @t(%0* %self, i8* nocapture %_cmd, %1* %scroller, i32 %hitPart, float %multiplier) nounwind optsize ssp {
      8 entry:
      9   switch i32 %hitPart, label %if.else [
     10     i32 7, label %if.then
     11     i32 8, label %if.then
     12   ]
     13 
     14 if.then:                                          ; preds = %entry, %entry
     15   %tmp69 = load float* null, align 4              ; <float> [#uses=1]
     16   %cmp19 = icmp eq %1* null, %scroller            ; <i1> [#uses=2]
     17   %cond = select i1 %cmp19, float %tmp69, float 0.000000e+00 ; <float> [#uses=1]
     18   %call36 = call i64 bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i64 (i8*, i8*)*)(i8* undef, i8* undef) nounwind optsize ; <i64> [#uses=2]
     19   br i1 %cmp19, label %cond.true32, label %cond.false39
     20 
     21 cond.true32:                                      ; preds = %if.then
     22   %sroa.store.elt68 = lshr i64 %call36, 32        ; <i64> [#uses=1]
     23   %0 = trunc i64 %sroa.store.elt68 to i32         ; <i32> [#uses=1]
     24   br label %cond.end47
     25 
     26 cond.false39:                                     ; preds = %if.then
     27   %1 = trunc i64 %call36 to i32                   ; <i32> [#uses=1]
     28   br label %cond.end47
     29 
     30 cond.end47:                                       ; preds = %cond.false39, %cond.true32
     31   %cond48.in = phi i32 [ %0, %cond.true32 ], [ %1, %cond.false39 ] ; <i32> [#uses=1]
     32   %cond48 = bitcast i32 %cond48.in to float       ; <float> [#uses=1]
     33   %div = fdiv float %cond, undef                  ; <float> [#uses=1]
     34   %div58 = fdiv float %div, %cond48               ; <float> [#uses=1]
     35   call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*, i8*, float)*)(i8* undef, i8* undef, float %div58) nounwind optsize
     36   ret void
     37 
     38 if.else:                                          ; preds = %entry
     39   ret void
     40 }
     41 
     42 declare i8* @objc_msgSend(i8*, i8*, ...)
     43