1 # NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 # RUN: llc -mtriple=riscv64 -mattr=+m,+v -o - %s \
3 # RUN: -start-before=prologepilog | FileCheck %s
5 # This test checks that we are assigning the right stack slot to GPRs and to
6 # vector registers (VRs). If this test changes, make sure there is no overlap
7 # between slots for GPRs and VRs.
9 define void @foo() #0 {
11 ; CHECK: # %bb.0: # %entry
12 ; CHECK-NEXT: addi sp, sp, -48
13 ; CHECK-NEXT: sd s9, 40(sp) # 8-byte Folded Spill
14 ; CHECK-NEXT: csrr a1, vlenb
15 ; CHECK-NEXT: slli a1, a1, 1
16 ; CHECK-NEXT: sub sp, sp, a1
17 ; CHECK-NEXT: sd a0, 16(sp) # 8-byte Folded Spill
18 ; CHECK-NEXT: addi a0, sp, 32
19 ; CHECK-NEXT: vs2r.v v30, (a0) # Unknown-size Folded Spill
20 ; CHECK-NEXT: csrr a0, vlenb
21 ; CHECK-NEXT: slli a0, a0, 1
22 ; CHECK-NEXT: add sp, sp, a0
23 ; CHECK-NEXT: ld s9, 40(sp) # 8-byte Folded Reload
24 ; CHECK-NEXT: addi sp, sp, 48
30 attributes #0 = { nounwind }
35 tracksRegLiveness: true
39 - { id: 0, type: spill-slot, size: 8, alignment: 8 }
40 - { id: 1, type: spill-slot, size: 16, alignment: 8, stack-id: scalable-vector }
41 machineFunctionInfo: {}
47 SD renamable $x25, %stack.0, 0 :: (store (s64) into %stack.0)
48 VS2R_V renamable $v30m2, %stack.1 :: (store unknown-size into %stack.1, align 8)