1 ; RUN: opt -basicaa -loop-idiom -S < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=R600 --check-prefix=FUNC %s
2 ; RUN: opt -basicaa -loop-idiom -S < %s -march=r600 -mcpu=SI -verify-machineinstrs| FileCheck --check-prefix=SI --check-prefix=FUNC %s
4 target datalayout = "e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:32:32-p5:64:64-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64"
5 target triple = "r600--"
9 ; Make sure loop-idiom doesn't create memcpy or memset. There are no library
10 ; implementations of these for R600.
13 ; R600-NOT: @llvm.memcpy
14 ; SI-NOT: @llvm.memcpy
15 define void @no_memcpy(i8 addrspace(3)* %in, i32 %size) {
17 %dest = alloca i8, i32 32
21 %0 = phi i32 [0, %entry], [%4, %for.body]
22 %1 = getelementptr i8 addrspace(3)* %in, i32 %0
23 %2 = getelementptr i8* %dest, i32 %0
24 %3 = load i8 addrspace(3)* %1
27 %5 = icmp eq i32 %4, %size
28 br i1 %5, label %for.end, label %for.body
35 ; R600-NOT: @llvm.memset
36 ; R600-NOT: @memset_pattern16
37 ; SI-NOT: @llvm.memset
38 ; SI-NOT: @memset_pattern16
39 define void @no_memset(i32 %size) {
41 %dest = alloca i8, i32 32
45 %0 = phi i32 [0, %entry], [%2, %for.body]
46 %1 = getelementptr i8* %dest, i32 %0
49 %3 = icmp eq i32 %2, %size
50 br i1 %3, label %for.end, label %for.body