1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -mtriple=riscv64 -mattr=+v < %s | FileCheck %s
4 @c = global [7 x i64] [i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7], align 8
6 define void @do.memmove() nounwind {
7 ; CHECK-LABEL: do.memmove:
8 ; CHECK: # %bb.0: # %entry
9 ; CHECK-NEXT: lui a0, %hi(c)
10 ; CHECK-NEXT: addi a0, a0, %lo(c)
11 ; CHECK-NEXT: addi a1, a0, 16
12 ; CHECK-NEXT: vsetivli zero, 2, e64, m1, ta, ma
13 ; CHECK-NEXT: vle64.v v8, (a1)
14 ; CHECK-NEXT: addi a1, a0, 24
15 ; CHECK-NEXT: vse64.v v8, (a1)
16 ; CHECK-NEXT: vle64.v v8, (a0)
17 ; CHECK-NEXT: addi a0, a0, 8
18 ; CHECK-NEXT: vse64.v v8, (a0)
21 ; this thing is "__builtin_memmove(&c[1], &c[0], sizeof(c[0]) * 4);"
22 tail call void @llvm.memmove.p0.p0.i64(
23 ptr noundef nonnull align 8 dereferenceable(32) getelementptr inbounds ([7 x i64], ptr @c, i64 0, i64 1),
24 ptr noundef nonnull align 8 dereferenceable(32) @c, i64 32, i1 false)
28 ; Function Attrs: argmemonly mustprogress nofree nounwind willreturn
29 declare void @llvm.memmove.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1 immarg) #1
31 attributes #1 = { argmemonly mustprogress nofree nounwind willreturn }