|  | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | 
|  | ; RUN: llc -mtriple=riscv32 -mattr=+zve64x -verify-machineinstrs < %s \ | 
|  | ; RUN:   | FileCheck %s --check-prefixes=RV32,RV32-ZVE64 | 
|  | ; RUN: llc -mtriple=riscv64 -mattr=+zve64x -verify-machineinstrs < %s \ | 
|  | ; RUN:   | FileCheck %s --check-prefixes=RV64,RV64-ZVE64 | 
|  | ; RUN: llc -mtriple=riscv32 -mattr=+v -verify-machineinstrs < %s \ | 
|  | ; RUN:   | FileCheck %s --check-prefixes=RV32,RV32-V | 
|  | ; RUN: llc -mtriple=riscv64 -mattr=+v -verify-machineinstrs < %s \ | 
|  | ; RUN:   | FileCheck %s --check-prefixes=RV64,RV64-V | 
|  |  | 
|  | define ptr @scalar_stack_align16() nounwind { | 
|  | ; RV32-ZVE64-LABEL: scalar_stack_align16: | 
|  | ; RV32-ZVE64:       # %bb.0: | 
|  | ; RV32-ZVE64-NEXT:    addi sp, sp, -48 | 
|  | ; RV32-ZVE64-NEXT:    sw ra, 44(sp) # 4-byte Folded Spill | 
|  | ; RV32-ZVE64-NEXT:    csrr a0, vlenb | 
|  | ; RV32-ZVE64-NEXT:    slli a0, a0, 1 | 
|  | ; RV32-ZVE64-NEXT:    sub sp, sp, a0 | 
|  | ; RV32-ZVE64-NEXT:    addi a0, sp, 32 | 
|  | ; RV32-ZVE64-NEXT:    call extern | 
|  | ; RV32-ZVE64-NEXT:    addi a0, sp, 16 | 
|  | ; RV32-ZVE64-NEXT:    csrr a1, vlenb | 
|  | ; RV32-ZVE64-NEXT:    slli a1, a1, 1 | 
|  | ; RV32-ZVE64-NEXT:    add sp, sp, a1 | 
|  | ; RV32-ZVE64-NEXT:    lw ra, 44(sp) # 4-byte Folded Reload | 
|  | ; RV32-ZVE64-NEXT:    addi sp, sp, 48 | 
|  | ; RV32-ZVE64-NEXT:    ret | 
|  | ; | 
|  | ; RV64-ZVE64-LABEL: scalar_stack_align16: | 
|  | ; RV64-ZVE64:       # %bb.0: | 
|  | ; RV64-ZVE64-NEXT:    addi sp, sp, -48 | 
|  | ; RV64-ZVE64-NEXT:    sd ra, 40(sp) # 8-byte Folded Spill | 
|  | ; RV64-ZVE64-NEXT:    csrr a0, vlenb | 
|  | ; RV64-ZVE64-NEXT:    slli a0, a0, 1 | 
|  | ; RV64-ZVE64-NEXT:    sub sp, sp, a0 | 
|  | ; RV64-ZVE64-NEXT:    addi a0, sp, 32 | 
|  | ; RV64-ZVE64-NEXT:    call extern | 
|  | ; RV64-ZVE64-NEXT:    addi a0, sp, 16 | 
|  | ; RV64-ZVE64-NEXT:    csrr a1, vlenb | 
|  | ; RV64-ZVE64-NEXT:    slli a1, a1, 1 | 
|  | ; RV64-ZVE64-NEXT:    add sp, sp, a1 | 
|  | ; RV64-ZVE64-NEXT:    ld ra, 40(sp) # 8-byte Folded Reload | 
|  | ; RV64-ZVE64-NEXT:    addi sp, sp, 48 | 
|  | ; RV64-ZVE64-NEXT:    ret | 
|  | ; | 
|  | ; RV32-V-LABEL: scalar_stack_align16: | 
|  | ; RV32-V:       # %bb.0: | 
|  | ; RV32-V-NEXT:    addi sp, sp, -48 | 
|  | ; RV32-V-NEXT:    sw ra, 44(sp) # 4-byte Folded Spill | 
|  | ; RV32-V-NEXT:    csrr a0, vlenb | 
|  | ; RV32-V-NEXT:    sub sp, sp, a0 | 
|  | ; RV32-V-NEXT:    addi a0, sp, 32 | 
|  | ; RV32-V-NEXT:    call extern | 
|  | ; RV32-V-NEXT:    addi a0, sp, 16 | 
|  | ; RV32-V-NEXT:    csrr a1, vlenb | 
|  | ; RV32-V-NEXT:    add sp, sp, a1 | 
|  | ; RV32-V-NEXT:    lw ra, 44(sp) # 4-byte Folded Reload | 
|  | ; RV32-V-NEXT:    addi sp, sp, 48 | 
|  | ; RV32-V-NEXT:    ret | 
|  | ; | 
|  | ; RV64-V-LABEL: scalar_stack_align16: | 
|  | ; RV64-V:       # %bb.0: | 
|  | ; RV64-V-NEXT:    addi sp, sp, -48 | 
|  | ; RV64-V-NEXT:    sd ra, 40(sp) # 8-byte Folded Spill | 
|  | ; RV64-V-NEXT:    csrr a0, vlenb | 
|  | ; RV64-V-NEXT:    sub sp, sp, a0 | 
|  | ; RV64-V-NEXT:    addi a0, sp, 32 | 
|  | ; RV64-V-NEXT:    call extern | 
|  | ; RV64-V-NEXT:    addi a0, sp, 16 | 
|  | ; RV64-V-NEXT:    csrr a1, vlenb | 
|  | ; RV64-V-NEXT:    add sp, sp, a1 | 
|  | ; RV64-V-NEXT:    ld ra, 40(sp) # 8-byte Folded Reload | 
|  | ; RV64-V-NEXT:    addi sp, sp, 48 | 
|  | ; RV64-V-NEXT:    ret | 
|  | %a = alloca <vscale x 2 x i32> | 
|  | %c = alloca i64, align 16 | 
|  | call void @extern(ptr %a) | 
|  | ret ptr %c | 
|  | } | 
|  |  | 
|  | declare void @extern(ptr) | 
|  | ;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line: | 
|  | ; RV32: {{.*}} | 
|  | ; RV64: {{.*}} |