| ; RUN: llc < %s -mtriple=nvptx64 -mcpu=sm_20 | FileCheck %s | 
 | ; RUN: %if ptxas %{ llc < %s -mtriple=nvptx64 -mcpu=sm_20 | %ptxas-verify %} | 
 |  | 
 | target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64" | 
 | target triple = "nvptx64-nvidia-cuda" | 
 |  | 
 | ; Function Attrs: nounwind | 
 | ; CHECK: .func kernelgen_memcpy | 
 | define ptx_device void @kernelgen_memcpy(ptr nocapture %dst) #0 { | 
 | entry: | 
 |   br i1 undef, label %for.end, label %vector.body | 
 |  | 
 | vector.body:                                      ; preds = %vector.body, %entry | 
 |   %index = phi i64 [ %index.next, %vector.body ], [ 0, %entry ] | 
 |   %scevgep9 = getelementptr i8, ptr %dst, i64 %index | 
 |   store <4 x i8> undef, ptr %scevgep9, align 1 | 
 |   %index.next = add i64 %index, 4 | 
 |   %0 = icmp eq i64 undef, %index.next | 
 |   br i1 %0, label %middle.block, label %vector.body | 
 |  | 
 | middle.block:                                     ; preds = %vector.body | 
 |   br i1 undef, label %for.end, label %for.body.preheader1 | 
 |  | 
 | for.body.preheader1:                              ; preds = %middle.block | 
 |   br label %for.body | 
 |  | 
 | for.body:                                         ; preds = %for.body, %for.body.preheader1 | 
 |   %lsr.iv3 = phi ptr [ %dst, %for.body.preheader1 ], [ %scevgep4, %for.body ] | 
 |   store i8 undef, ptr %lsr.iv3, align 1 | 
 |   %scevgep4 = getelementptr i8, ptr %lsr.iv3, i64 1 | 
 |   br label %for.body | 
 |  | 
 | for.end:                                          ; preds = %middle.block, %entry | 
 |   ret void | 
 | } | 
 |  | 
 | attributes #0 = { nounwind "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |