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 3 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--" 6 7 8 9 ; Make sure loop-idiom doesn't create memcpy or memset. There are no library 10 ; implementations of these for R600. 11 12 ; FUNC: @no_memcpy 13 ; R600-NOT: @llvm.memcpy 14 ; SI-NOT: @llvm.memcpy 15 define void @no_memcpy(i8 addrspace(3)* %in, i32 %size) { 16 entry: 17 %dest = alloca i8, i32 32 18 br label %for.body 19 20 for.body: 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 25 store i8 %3, i8* %2 26 %4 = add i32 %0, 1 27 %5 = icmp eq i32 %4, %size 28 br i1 %5, label %for.end, label %for.body 29 30 for.end: 31 ret void 32 } 33 34 ; FUNC: @no_memset 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) { 40 entry: 41 %dest = alloca i8, i32 32 42 br label %for.body 43 44 for.body: 45 %0 = phi i32 [0, %entry], [%2, %for.body] 46 %1 = getelementptr i8* %dest, i32 %0 47 store i8 0, i8* %1 48 %2 = add i32 %0, 1 49 %3 = icmp eq i32 %2, %size 50 br i1 %3, label %for.end, label %for.body 51 52 for.end: 53 ret void 54 } 55
