File: huge-stack.ll

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llvm-toolchain-19 1%3A19.1.7-3
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --no_x86_scrub_sp --version 4
; RUN: llc -O0 -mtriple=x86_64 -verify-machineinstrs < %s | FileCheck %s --check-prefix=CHECK
%large = type [4294967295 x i8]

define void @foo() unnamed_addr #0 {
; CHECK-LABEL: foo:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movabsq $8589934462, %rax # imm = 0x1FFFFFF7E
; CHECK-NEXT:    subq %rax, %rsp
; CHECK-NEXT:    .cfi_def_cfa_offset 8589934470
; CHECK-NEXT:    movb $42, -129(%rsp)
; CHECK-NEXT:    movb $43, -128(%rsp)
; CHECK-NEXT:    movabsq $8589934462, %rax # imm = 0x1FFFFFF7E
; CHECK-NEXT:    addq %rax, %rsp
; CHECK-NEXT:    .cfi_def_cfa_offset 8
; CHECK-NEXT:    retq
  %1 = alloca %large, align 1
  %2 = alloca %large, align 1
  %3 = getelementptr inbounds %large, ptr %1, i64 0, i64 0
  store i8 42, ptr %3, align 1
  %4 = getelementptr inbounds %large, ptr %2, i64 0, i64 0
  store i8 43, ptr %4, align 1
  ret void
}