# NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py # NOTE: Assertions gave been autogenerated by utils/update_llc_test_checks.py # RUN: llc -mtriple riscv64 -mattr=+v -target-abi=lp64 -start-before=prologepilog -o - \ # RUN: -verify-machineinstrs %s | FileCheck %s --- | target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128" target triple = "riscv64" define weak_odr dso_local void @fixedlen_vector_spillslot(i8* %ay) nounwind { ; CHECK-LABEL: fixedlen_vector_spillslot: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: addi sp, sp, -48 ; CHECK-NEXT: sd ra, 40(sp) # 8-byte Folded Spill ; CHECK-NEXT: sd a0, 32(sp) ; CHECK-NEXT: sd a0, 16(sp) ; CHECK-NEXT: vsetivli a5, 1, e16, m1, ta, mu ; CHECK-NEXT: sd a1, 0(sp) ; CHECK-NEXT: addi a1, sp, 24 ; CHECK-NEXT: vs1r.v v25, (a1) # Unknown-size Folded Spill ; CHECK-NEXT: ld a1, 0(sp) ; CHECK-NEXT: call fixedlen_vector_spillslot@plt ; CHECK-NEXT: ld ra, 40(sp) # 8-byte Folded Reload ; CHECK-NEXT: addi sp, sp, 48 ; CHECK-NEXT: ret entry: ret void } ... --- name: fixedlen_vector_spillslot alignment: 2 tracksRegLiveness: false fixedStack: [] stack: - { id: 0, name: '', type: default, offset: 0, size: 8, alignment: 8, stack-id: default, callee-saved-register: '', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 1, name: '', type: spill-slot, offset: 0, size: 2, alignment: 8, stack-id: default, callee-saved-register: '', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } - { id: 2, name: '', type: default, offset: 0, size: 8, alignment: 8, stack-id: default, callee-saved-register: '', callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } body: | bb.0.entry: liveins: $x1, $x5, $x6, $x7, $x10, $x11, $x12, $x13, $x14, $x15, $x16, $x17, $x28, $x29, $x30, $x31, $v25 SD $x10, %stack.0, 0 SD $x10, %stack.2, 0 dead renamable $x15 = PseudoVSETIVLI 1, 72, implicit-def $vl, implicit-def $vtype PseudoVSPILL_M1 killed renamable $v25, %stack.1 :: (store unknown-size into %stack.1, align 8) ; This is here just to make all the eligible registers live at this point. ; This way when we replace the frame index %stack.1 with its actual address ; we have to allocate a virtual register to compute it. ; A later run of the the register scavenger won't find an available register ; either so it will have to spill one to the emergency spill slot. PseudoCALL target-flags(riscv-plt) @fixedlen_vector_spillslot, csr_ilp32_lp64, implicit-def $x1, implicit-def $x2, implicit $x1, implicit $x5, implicit $x6, implicit $x7, implicit $x10, implicit $x11, implicit $x12, implicit $x13, implicit $x14, implicit $x15, implicit $x16, implicit $x17, implicit $x28, implicit $x29, implicit $x30, implicit $x31 PseudoRET ...