|  | ; RUN: llc -verify-machineinstrs < %s | FileCheck %s | 
|  | target datalayout = "E-m:e-i64:64-n32:64" | 
|  | target triple = "powerpc64-bgq-linux" | 
|  |  | 
|  | ; Function Attrs: nounwind | 
|  | define void @foo(double* %x, double* nocapture readonly %y) #0 { | 
|  | entry: | 
|  | %scevgep = getelementptr double, double* %x, i64 1599 | 
|  | %scevgep20 = getelementptr double, double* %y, i64 1599 | 
|  | br label %vector.memcheck | 
|  |  | 
|  | vector.memcheck:                                  ; preds = %for.end, %entry | 
|  | %j.015 = phi i32 [ 0, %entry ], [ %inc7, %for.end ] | 
|  | %bound0 = icmp uge double* %scevgep20, %x | 
|  | %bound1 = icmp uge double* %scevgep, %y | 
|  | %memcheck.conflict = and i1 %bound0, %bound1 | 
|  | br i1 %memcheck.conflict, label %middle.block, label %vector.body | 
|  |  | 
|  | vector.body:                                      ; preds = %vector.memcheck, %vector.body | 
|  | %index = phi i64 [ %index.next, %vector.body ], [ 0, %vector.memcheck ] | 
|  | %0 = getelementptr inbounds double, double* %y, i64 %index | 
|  | %1 = bitcast double* %0 to <4 x double>* | 
|  | %wide.load = load <4 x double>, <4 x double>* %1, align 8 | 
|  | %2 = fadd <4 x double> %wide.load, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> | 
|  | %3 = getelementptr inbounds double, double* %x, i64 %index | 
|  | %4 = bitcast double* %3 to <4 x double>* | 
|  | store <4 x double> %2, <4 x double>* %4, align 8 | 
|  | %index.next = add i64 %index, 4 | 
|  | %5 = icmp eq i64 %index.next, 1600 | 
|  | br i1 %5, label %middle.block, label %vector.body | 
|  |  | 
|  | middle.block:                                     ; preds = %vector.body, %vector.memcheck | 
|  | %resume.val = phi i1 [ false, %vector.memcheck ], [ true, %vector.body ] | 
|  | %trunc.resume.val = phi i64 [ 0, %vector.memcheck ], [ 1600, %vector.body ] | 
|  | br i1 %resume.val, label %for.end, label %for.body3 | 
|  |  | 
|  | for.body3:                                        ; preds = %middle.block, %for.body3 | 
|  | %indvars.iv = phi i64 [ %indvars.iv.next, %for.body3 ], [ %trunc.resume.val, %middle.block ] | 
|  | %arrayidx = getelementptr inbounds double, double* %y, i64 %indvars.iv | 
|  | %6 = load double, double* %arrayidx, align 8 | 
|  | %add = fadd double %6, 1.000000e+00 | 
|  | %arrayidx5 = getelementptr inbounds double, double* %x, i64 %indvars.iv | 
|  | store double %add, double* %arrayidx5, align 8 | 
|  | %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 | 
|  | %exitcond = icmp eq i64 %indvars.iv.next, 1600 | 
|  | br i1 %exitcond, label %for.end, label %for.body3 | 
|  |  | 
|  | for.end:                                          ; preds = %middle.block, %for.body3 | 
|  | tail call void @bar(double* %x) #2 | 
|  | %inc7 = add nuw nsw i32 %j.015, 1 | 
|  | %exitcond16 = icmp eq i32 %inc7, 100 | 
|  | br i1 %exitcond16, label %for.end8, label %vector.memcheck | 
|  |  | 
|  | for.end8:                                         ; preds = %for.end | 
|  | ret void | 
|  |  | 
|  | ; CHECK-LABEL: @foo | 
|  | ; CHECK: dcbt | 
|  | } | 
|  |  | 
|  | declare void @bar(double*) #1 | 
|  |  | 
|  | attributes #0 = { nounwind "target-cpu"="a2q" } | 
|  | attributes #1 = { "target-cpu"="a2q" } | 
|  | attributes #2 = { nounwind } | 
|  |  |