|  | ; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc-apple-darwin10.0 | 
|  | ; rdar://7819990 | 
|  |  | 
|  | %0 = type { i32 } | 
|  | %1 = type { i64 } | 
|  | %struct.Buffer = type { [1024 x i8], i64, i64, i64 } | 
|  | %struct.InStream = type { %struct.Buffer, %0, %1, i32*, %struct.InStreamMethods* } | 
|  | %struct.InStreamMethods = type { void (%struct.InStream*, i8*, i32)*, void (%struct.InStream*, i64)*, i64 (%struct.InStream*)*, void (%struct.InStream*)* } | 
|  |  | 
|  | define i64 @t(%struct.InStream* %is) nounwind optsize ssp { | 
|  | entry: | 
|  | br i1 undef, label %is_read_byte.exit, label %bb.i | 
|  |  | 
|  | bb.i:                                             ; preds = %entry | 
|  | br label %is_read_byte.exit | 
|  |  | 
|  | is_read_byte.exit:                                ; preds = %bb.i, %entry | 
|  | br i1 undef, label %is_read_byte.exit22, label %bb.i21 | 
|  |  | 
|  | bb.i21:                                           ; preds = %is_read_byte.exit | 
|  | unreachable | 
|  |  | 
|  | is_read_byte.exit22:                              ; preds = %is_read_byte.exit | 
|  | br i1 undef, label %is_read_byte.exit19, label %bb.i18 | 
|  |  | 
|  | bb.i18:                                           ; preds = %is_read_byte.exit22 | 
|  | br label %is_read_byte.exit19 | 
|  |  | 
|  | is_read_byte.exit19:                              ; preds = %bb.i18, %is_read_byte.exit22 | 
|  | br i1 undef, label %is_read_byte.exit16, label %bb.i15 | 
|  |  | 
|  | bb.i15:                                           ; preds = %is_read_byte.exit19 | 
|  | unreachable | 
|  |  | 
|  | is_read_byte.exit16:                              ; preds = %is_read_byte.exit19 | 
|  | %0 = shl i64 undef, 32                          ; <i64> [#uses=1] | 
|  | br i1 undef, label %is_read_byte.exit13, label %bb.i12 | 
|  |  | 
|  | bb.i12:                                           ; preds = %is_read_byte.exit16 | 
|  | unreachable | 
|  |  | 
|  | is_read_byte.exit13:                              ; preds = %is_read_byte.exit16 | 
|  | %1 = shl i64 undef, 24                          ; <i64> [#uses=1] | 
|  | br i1 undef, label %is_read_byte.exit10, label %bb.i9 | 
|  |  | 
|  | bb.i9:                                            ; preds = %is_read_byte.exit13 | 
|  | unreachable | 
|  |  | 
|  | is_read_byte.exit10:                              ; preds = %is_read_byte.exit13 | 
|  | %2 = shl i64 undef, 16                          ; <i64> [#uses=1] | 
|  | br i1 undef, label %is_read_byte.exit7, label %bb.i6 | 
|  |  | 
|  | bb.i6:                                            ; preds = %is_read_byte.exit10 | 
|  | br label %is_read_byte.exit7 | 
|  |  | 
|  | is_read_byte.exit7:                               ; preds = %bb.i6, %is_read_byte.exit10 | 
|  | %3 = shl i64 undef, 8                           ; <i64> [#uses=1] | 
|  | br i1 undef, label %is_read_byte.exit4, label %bb.i3 | 
|  |  | 
|  | bb.i3:                                            ; preds = %is_read_byte.exit7 | 
|  | unreachable | 
|  |  | 
|  | is_read_byte.exit4:                               ; preds = %is_read_byte.exit7 | 
|  | %4 = or i64 0, %0                               ; <i64> [#uses=1] | 
|  | %5 = or i64 %4, %1                              ; <i64> [#uses=1] | 
|  | %6 = or i64 %5, %2                              ; <i64> [#uses=1] | 
|  | %7 = or i64 %6, %3                              ; <i64> [#uses=1] | 
|  | %8 = or i64 %7, 0                               ; <i64> [#uses=1] | 
|  | ret i64 %8 | 
|  | } |