llvm-project/llvm/test/CodeGen/RISCV/rv64-large-stack.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s | FileCheck %s
;
; The test case check that RV64 could handle the stack adjustment offset exceed
; 32-bit.

define void @foo() nounwind {
; CHECK-LABEL: foo:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    addi sp, sp, -2032
; CHECK-NEXT:    sd ra, 2024(sp) # 8-byte Folded Spill
; CHECK-NEXT:    lui a0, 95
; CHECK-NEXT:    addiw a0, a0, 1505
; CHECK-NEXT:    slli a0, a0, 13
; CHECK-NEXT:    addi a0, a0, -2000
; CHECK-NEXT:    sub sp, sp, a0
; CHECK-NEXT:    addi a0, sp, 16
; CHECK-NEXT:    call baz@plt
; CHECK-NEXT:    lui a0, 95
; CHECK-NEXT:    addiw a0, a0, 1505
; CHECK-NEXT:    slli a0, a0, 13
; CHECK-NEXT:    addi a0, a0, -2000
; CHECK-NEXT:    add sp, sp, a0
; CHECK-NEXT:    ld ra, 2024(sp) # 8-byte Folded Reload
; CHECK-NEXT:    addi sp, sp, 2032
; CHECK-NEXT:    ret
entry:
  %w = alloca [100000000 x { fp128, fp128 }], align 16
  %arraydecay = getelementptr inbounds [100000000 x { fp128, fp128 }], [100000000 x { fp128, fp128 }]* %w, i64 0, i64 0
  call void @baz({ fp128, fp128 }* nonnull %arraydecay)
  ret void
}

declare void @baz({ fp128, fp128 }*)