| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=riscv64 -mattr=+v -riscv-v-vector-bits-min=128 < %s \ |
| ; RUN: | FileCheck %s |
| |
| @c = global [7 x i64] [i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7], align 8 |
| |
| define void @do.memmove() nounwind { |
| ; CHECK-LABEL: do.memmove: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: lui a0, %hi(c) |
| ; CHECK-NEXT: addi a0, a0, %lo(c) |
| ; CHECK-NEXT: vsetivli zero, 2, e64, m1, ta, mu |
| ; CHECK-NEXT: vle64.v v8, (a0) |
| ; CHECK-NEXT: addi a1, a0, 16 |
| ; CHECK-NEXT: vle64.v v9, (a1) |
| ; CHECK-NEXT: addi a1, a0, 8 |
| ; CHECK-NEXT: vse64.v v8, (a1) |
| ; CHECK-NEXT: addi a0, a0, 24 |
| ; CHECK-NEXT: vse64.v v9, (a0) |
| ; CHECK-NEXT: ret |
| entry: |
| ; this thing is "__builtin_memmove(&c[1], &c[0], sizeof(c[0]) * 4);" |
| tail call void @llvm.memmove.p0.p0.i64( |
| ptr noundef nonnull align 8 dereferenceable(32) getelementptr inbounds ([7 x i64], ptr @c, i64 0, i64 1), |
| ptr noundef nonnull align 8 dereferenceable(32) @c, i64 32, i1 false) |
| ret void |
| } |
| |
| ; Function Attrs: argmemonly mustprogress nofree nounwind willreturn |
| declare void @llvm.memmove.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1 immarg) #1 |
| |
| attributes #1 = { argmemonly mustprogress nofree nounwind willreturn } |
