|  | ; 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 | 
|  | } |