stack-clash-medium.ll
1.34 KB
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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 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"}
; CHECK-X86-64-LABEL: foo:
; CHECK-X86-64: # %bb.0:
; CHECK-X86-64-NEXT: subq $4096, %rsp # imm = 0x1000
; CHECK-X86-64-NEXT: movq $0, (%rsp)
; CHECK-X86-64-NEXT: subq $3784, %rsp # imm = 0xEC8
; CHECK-X86-64-NEXT: .cfi_def_cfa_offset 7888
; CHECK-X86-64-NEXT: movl $1, 672(%rsp)
; CHECK-X86-64-NEXT: movl -128(%rsp), %eax
; CHECK-X86-64-NEXT: addq $7880, %rsp # imm = 0x1EC8
; 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: subl $4096, %esp # imm = 0x1000
; CHECK-X86-32-NEXT: movl $0, (%esp)
; CHECK-X86-32-NEXT: subl $3916, %esp # imm = 0xF4C
; CHECK-X86-32-NEXT: .cfi_def_cfa_offset 8016
; CHECK-X86-32-NEXT: movl $1, 800(%esp)
; CHECK-X86-32-NEXT: movl (%esp), %eax
; CHECK-X86-32-NEXT: addl $8012, %esp # imm = 0x1F4C
; CHECK-X86-32-NEXT: .cfi_def_cfa_offset 4
; CHECK-X86-32-NEXT: retl