| ; RUN: llc < %s -regalloc=fast -optimize-regalloc=0 -verify-machineinstrs -mtriple=x86_64-apple-darwin10 | 
 | ; <rdar://problem/7755473> | 
 | ; PR12821 | 
 |  | 
 | %0 = type { i32, i8*, i8*, %1*, i8*, i64, i64, i32, i32, i32, i32, [1024 x i8] } | 
 | %1 = type { i8*, i32, i32, i16, i16, %2, i32, i8*, i32 (i8*)*, i32 (i8*, i8*, i32)*, i64 (i8*, i64, i32)*, i32 (i8*, i8*, i32)*, %2, %3*, i32, [3 x i8], [1 x i8], %2, i32, i64 } | 
 | %2 = type { i8*, i32 } | 
 | %3 = type opaque | 
 |  | 
 | declare fastcc i32 @func(%0*, i32, i32) nounwind ssp | 
 |  | 
 | define fastcc void @func2(%0* %arg, i32 %arg1) nounwind ssp { | 
 | bb: | 
 |   br label %.exit3 | 
 |  | 
 | .exit3:                                           ; preds = %.exit3, %bb | 
 |   switch i32 undef, label %.exit3 [ | 
 |     i32 -1, label %.loopexit | 
 |     i32 37, label %bb2 | 
 |   ] | 
 |  | 
 | bb2:                                              ; preds = %bb5, %bb3, %.exit3 | 
 |   br i1 undef, label %bb3, label %bb5 | 
 |  | 
 | bb3:                                              ; preds = %bb2 | 
 |   switch i32 undef, label %infloop [ | 
 |     i32 125, label %.loopexit | 
 |     i32 -1, label %bb4 | 
 |     i32 37, label %bb2 | 
 |   ] | 
 |  | 
 | bb4:                                              ; preds = %bb3 | 
 |   %tmp = add nsw i32 undef, 1                     ; <i32> [#uses=1] | 
 |   br label %.loopexit | 
 |  | 
 | bb5:                                              ; preds = %bb2 | 
 |   switch i32 undef, label %infloop1 [ | 
 |     i32 -1, label %.loopexit | 
 |     i32 37, label %bb2 | 
 |   ] | 
 |  | 
 | .loopexit:                                        ; preds = %bb5, %bb4, %bb3, %.exit3 | 
 |   %.04 = phi i32 [ %tmp, %bb4 ], [ undef, %bb3 ], [ undef, %.exit3 ], [ undef, %bb5 ] ; <i32> [#uses=2] | 
 |   br i1 undef, label %bb8, label %bb6 | 
 |  | 
 | bb6:                                              ; preds = %.loopexit | 
 |   %tmp7 = tail call fastcc i32 @func(%0* %arg, i32 %.04, i32 undef) nounwind ssp ; <i32> [#uses=0] | 
 |   ret void | 
 |  | 
 | bb8:                                              ; preds = %.loopexit | 
 |   %tmp9 = sext i32 %.04 to i64                    ; <i64> [#uses=1] | 
 |   %tmp10 = getelementptr inbounds %0, %0* %arg, i64 0, i32 11, i64 %tmp9 ; <i8*> [#uses=1] | 
 |   store i8 0, i8* %tmp10, align 1 | 
 |   ret void | 
 |  | 
 | infloop:                                          ; preds = %infloop, %bb3 | 
 |   br label %infloop | 
 |  | 
 | infloop1:                                         ; preds = %infloop1, %bb5 | 
 |   br label %infloop1 | 
 | } | 
 |  | 
 |  | 
 | ; RAFast would forget to add a super-register implicit-def when rewriting: | 
 | ;  %10:sub_32bit<def,read-undef> = COPY killed %R9D | 
 | ; This trips up the machine code verifier. | 
 | define void @autogen_SD24657(i8*, i32*, i64*, i32, i64, i8) { | 
 | BB: | 
 |   %A4 = alloca <16 x i16> | 
 |   %A3 = alloca double | 
 |   %A2 = alloca <2 x i8> | 
 |   %A1 = alloca i1 | 
 |   %A = alloca i32 | 
 |   %L = load i8, i8* %0 | 
 |   store i8 -37, i8* %0 | 
 |   %E = extractelement <4 x i64> zeroinitializer, i32 2 | 
 |   %Shuff = shufflevector <4 x i64> zeroinitializer, <4 x i64> zeroinitializer, <4 x i32> <i32 5, i32 7, i32 1, i32 3> | 
 |   %I = insertelement <2 x i8> <i8 -1, i8 -1>, i8 %5, i32 1 | 
 |   %B = fadd float 0x45CDF5B1C0000000, 0x45CDF5B1C0000000 | 
 |   %FC = uitofp i32 275048 to double | 
 |   %Sl = select i1 true, <2 x i8> %I, <2 x i8> <i8 -1, i8 -1> | 
 |   %Cmp = icmp slt i64 0, %E | 
 |   br label %CF | 
 |  | 
 | CF:                                               ; preds = %BB | 
 |   store i8 %5, i8* %0 | 
 |   store <2 x i8> %I, <2 x i8>* %A2 | 
 |   store i8 %5, i8* %0 | 
 |   store i8 %5, i8* %0 | 
 |   store i8 %5, i8* %0 | 
 |   ret void | 
 | } |