llvm-project/llvm/test/CodeGen/X86/stack-clash-medium.ll

31 lines
810 B
LLVM

; RUN: llc < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define i32 @foo() local_unnamed_addr #0 {
; CHECK-LABEL: foo:
; CHECK: # %bb.0:
; CHECK-NEXT: subq $4096, %rsp # imm = 0x1000
; CHECK-NEXT: movq $0, (%rsp)
; CHECK-NEXT: subq $3784, %rsp # imm = 0xEC8
; CHECK-NEXT: .cfi_def_cfa_offset 7888
; CHECK-NEXT: movl $1, 672(%rsp)
; CHECK-NEXT: movl -128(%rsp), %eax
; CHECK-NEXT: addq $7880, %rsp # imm = 0x1EC8
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: retq
%a = alloca i32, i64 2000, align 16
%b = getelementptr inbounds i32, i32* %a, i64 200
store volatile i32 1, i32* %b
%c = load volatile i32, i32* %a
ret i32 %c
}
attributes #0 = {"probe-stack"="inline-asm"}