stack-clash-large.ll
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; RUN: llc -mtriple=x86_64-linux-android < %s | FileCheck -check-prefix=CHECK-X86-64 %s
; RUN: llc -mtriple=i686-linux-android < %s | FileCheck -check-prefix=CHECK-X86-32 %s
define i32 @foo() local_unnamed_addr #0 {
%a = alloca i32, i64 18000, align 16
%b0 = getelementptr inbounds i32, i32* %a, i64 98
%b1 = getelementptr inbounds i32, i32* %a, i64 7198
store volatile i32 1, i32* %b0
store volatile i32 1, i32* %b1
%c = load volatile i32, i32* %a
ret i32 %c
}
attributes #0 = {"probe-stack"="inline-asm"}
; CHECK-X86-64-LABEL: foo:
; CHECK-X86-64: # %bb.0:
; CHECK-X86-64-NEXT: movq %rsp, %r11
; CHECK-X86-64-NEXT: subq $69632, %r11 # imm = 0x11000
; CHECK-X86-64-NEXT: .LBB0_1:
; CHECK-X86-64-NEXT: subq $4096, %rsp # imm = 0x1000
; CHECK-X86-64-NEXT: movq $0, (%rsp)
; CHECK-X86-64-NEXT: cmpq %r11, %rsp
; CHECK-X86-64-NEXT: jne .LBB0_1
; CHECK-X86-64-NEXT:# %bb.2:
; CHECK-X86-64-NEXT: subq $2248, %rsp
; CHECK-X86-64-NEXT: .cfi_def_cfa_offset 71888
; CHECK-X86-64-NEXT: movl $1, 264(%rsp)
; CHECK-X86-64-NEXT: movl $1, 28664(%rsp)
; CHECK-X86-64-NEXT: movl -128(%rsp), %eax
; CHECK-X86-64-NEXT: addq $71880, %rsp # imm = 0x118C8
; CHECK-X86-64-NEXT: .cfi_def_cfa_offset 8
; CHECK-X86-64-NEXT: retq
; CHECK-X86-32-LABEL: foo:
; CHECK-X86-32: # %bb.0:
; CHECK-X86-32-NEXT: movl %esp, %r11d
; CHECK-X86-32-NEXT: subl $69632, %r11d # imm = 0x11000
; CHECK-X86-32-NEXT: .LBB0_1: # =>This Inner Loop Header: Depth=1
; CHECK-X86-32-NEXT: subl $4096, %esp # imm = 0x1000
; CHECK-X86-32-NEXT: movl $0, (%esp)
; CHECK-X86-32-NEXT: cmpl %r11d, %esp
; CHECK-X86-32-NEXT: jne .LBB0_1
; CHECK-X86-32-NEXT:# %bb.2:
; CHECK-X86-32-NEXT: subl $2380, %esp
; CHECK-X86-32-NEXT: .cfi_def_cfa_offset 72016
; CHECK-X86-32-NEXT: movl $1, 392(%esp)
; CHECK-X86-32-NEXT: movl $1, 28792(%esp)
; CHECK-X86-32-NEXT: movl (%esp), %eax
; CHECK-X86-32-NEXT: addl $72012, %esp # imm = 0x1194C
; CHECK-X86-32-NEXT: .cfi_def_cfa_offset 4
; CHECK-X86-32-NEXT: retl