blob: 861a975f6cb78c15b42efd4b62012eedd9ca07f8 [file] [log] [blame]
; RUN: llc -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck --check-prefix=X86-LINUX %s
; RUN: llc -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck --check-prefix=X64-LINUX %s
; RUN: llc -mtriple=x86_64-pc-linux-gnu -code-model=large < %s -o - | FileCheck --check-prefix=X64-LINUX-LARGE %s
declare void @use([40096 x i8]*)
; Ensure calls to __probestack occur for large stack frames
define void @test() "probe-stack"="__probestack" {
%array = alloca [40096 x i8], align 16
call void @use([40096 x i8]* %array)
ret void
; X86-LINUX-LABEL: test:
; X86-LINUX: movl $40124, %eax # imm = 0x9CBC
; X86-LINUX-NEXT: calll __probestack
; X86-LINUX-NEXT: subl %eax, %esp
; X64-LINUX-LABEL: test:
; X64-LINUX: movl $40104, %eax # imm = 0x9CA8
; X64-LINUX-NEXT: callq __probestack
; X64-LINUX-NEXT: subq %rax, %rsp
; X64-LINUX-LARGE-LABEL: test:
; X64-LINUX-LARGE: movl $40104, %eax # imm = 0x9CA8
; X64-LINUX-LARGE-NEXT: movabsq $__probestack, %r11
; X64-LINUX-LARGE-NEXT: callq *%r11
; X64-LINUX-LARGE-NEXT: subq %rax, %rsp
}