forked from OSchip/llvm-project
30 lines
1.1 KiB
LLVM
30 lines
1.1 KiB
LLVM
; 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
|
|
|
|
}
|