|  | ; RUN: llc --start-before loop-reduce --stop-after loop-reduce %s -o - | FileCheck %s | 
|  | target datalayout = "e-m:e-p:32:32-i64:64-n32-S128" | 
|  | target triple = "x86_64-unknown-linux-gnu" | 
|  |  | 
|  | ; CHECK-LABEL: @hoge | 
|  | define void @hoge() { | 
|  | bb: | 
|  | %tmp = sext i32 undef to i64 | 
|  | %tmp3 = sub nsw i64 0, %tmp | 
|  | br label %bb4 | 
|  |  | 
|  | bb4:                                              ; preds = %bb20, %bb | 
|  | %tmp5 = getelementptr inbounds double, double* undef, i64 undef | 
|  | %tmp6 = getelementptr inbounds double, double* %tmp5, i64 %tmp3 | 
|  | br label %bb7 | 
|  |  | 
|  | bb7:                                              ; preds = %bb7, %bb4 | 
|  | %tmp8 = phi double* [ %tmp10, %bb7 ], [ %tmp6, %bb4 ] | 
|  | %tmp9 = load double, double* %tmp8 | 
|  | %tmp10 = getelementptr inbounds double, double* %tmp8, i64 1 | 
|  | br i1 true, label %bb11, label %bb7 | 
|  |  | 
|  | bb11:                                             ; preds = %bb7 | 
|  | br i1 undef, label %bb20, label %bb12 | 
|  |  | 
|  | bb12:                                             ; preds = %bb11 | 
|  | br label %bb13 | 
|  |  | 
|  | bb13:                                             ; preds = %bb13, %bb12 | 
|  | %tmp14 = phi double* [ %tmp18, %bb13 ], [ %tmp10, %bb12 ] | 
|  | %tmp15 = load double, double* %tmp14, align 8 | 
|  | %tmp16 = getelementptr inbounds double, double* %tmp14, i64 1 | 
|  | %tmp17 = load double, double* %tmp16, align 8 | 
|  | %tmp18 = getelementptr inbounds double, double* %tmp14, i64 8 | 
|  | br i1 true, label %bb19, label %bb13 | 
|  |  | 
|  | bb19:                                             ; preds = %bb13 | 
|  | br label %bb20 | 
|  |  | 
|  | bb20:                                             ; preds = %bb19, %bb11 | 
|  | br label %bb4 | 
|  | } |