1; RUN: opt -S -passes=licm %s | FileCheck %s 2@v_1 = global i8 0, align 1 3@v_2 = global i8 0, align 1 4 5; CHECK-LABEL: @foo() 6; CHECK: for.cond: 7; CHECK-NOT: store 8; CHECK: for.body: 9; CHECK: call void @llvm.memcpy.p0.p0.i64 10; CHECK: store 11define void @foo() { 12entry: 13 br label %for.cond 14 15for.cond: ; preds = %for.body, %entry 16 %0 = phi i16 [ %inc, %for.body ], [ 0, %entry ] 17 %cmp = icmp slt i16 %0, 1 18 br i1 %cmp, label %for.body, label %for.end 19 20for.body: ; preds = %for.cond 21 call void @llvm.memcpy.p0.p0.i64(ptr @v_1, ptr @v_2, i64 1, i1 false) 22 store i8 1, ptr @v_2, align 1 23 %inc = add nsw i16 %0, 1 24 br label %for.cond 25 26for.end: ; preds = %for.cond 27 ret void 28} 29 30; Function Attrs: argmemonly nounwind willreturn 31declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2 32 33attributes #2 = { argmemonly nounwind willreturn } 34 35