# NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py # RUN: llc -mtriple=riscv64 -mattr=+m,+v -o - %s \ # RUN: -start-before=prologepilog | FileCheck %s # # This test checks that we are assigning the right stack slot to GPRs and to # vector registers (VRs). If this test changes, make sure there is no overlap # between slots for GPRs and VRs. --- | define void @foo() #0 { ; CHECK-LABEL: foo: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: addi sp, sp, -48 ; CHECK-NEXT: sd s9, 40(sp) # 8-byte Folded Spill ; CHECK-NEXT: csrr a1, vlenb ; CHECK-NEXT: slli a1, a1, 1 ; CHECK-NEXT: sub sp, sp, a1 ; CHECK-NEXT: sd a0, 16(sp) # 8-byte Folded Spill ; CHECK-NEXT: addi a0, sp, 32 ; CHECK-NEXT: vs2r.v v30, (a0) # Unknown-size Folded Spill ; CHECK-NEXT: csrr a0, vlenb ; CHECK-NEXT: slli a0, a0, 1 ; CHECK-NEXT: add sp, sp, a0 ; CHECK-NEXT: ld s9, 40(sp) # 8-byte Folded Reload ; CHECK-NEXT: addi sp, sp, 48 ; CHECK-NEXT: ret entry: ret void } attributes #0 = { nounwind } ... --- name: foo alignment: 2 tracksRegLiveness: true frameInfo: maxAlignment: 8 stack: - { id: 0, type: spill-slot, size: 8, alignment: 8 } - { id: 1, type: spill-slot, size: 16, alignment: 8, stack-id: scalable-vector } machineFunctionInfo: {} body: | bb.0.entry: liveins: $x10, $v30m2 $x25 = COPY $x10 SD renamable $x25, %stack.0, 0 :: (store (s64) into %stack.0) PseudoVSPILL_M2 renamable $v30m2, %stack.1 :: (store unknown-size into %stack.1, align 8) PseudoRET ...