pr17529.ll
1.72 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
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(i8* 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, i8* %dst, i64 %index
%scevgep910 = bitcast i8* %scevgep9 to <4 x i8>*
store <4 x i8> undef, <4 x i8>* %scevgep910, 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
%scevgep2 = getelementptr i8, i8* %dst, i64 0
br label %for.body
for.body: ; preds = %for.body, %for.body.preheader1
%lsr.iv3 = phi i8* [ %scevgep2, %for.body.preheader1 ], [ %scevgep4, %for.body ]
store i8 undef, i8* %lsr.iv3, align 1
%scevgep4 = getelementptr i8, i8* %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" }