| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --no_x86_scrub_sp |
| ; 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(i32 %n) local_unnamed_addr #0 { |
| ; CHECK-X86-64-LABEL: foo: |
| ; CHECK-X86-64: # %bb.0: |
| ; CHECK-X86-64-NEXT: pushq %rbp |
| ; CHECK-X86-64-NEXT: .cfi_def_cfa_offset 16 |
| ; CHECK-X86-64-NEXT: .cfi_offset %rbp, -16 |
| ; CHECK-X86-64-NEXT: movq %rsp, %rbp |
| ; CHECK-X86-64-NEXT: .cfi_def_cfa_register %rbp |
| ; CHECK-X86-64-NEXT: movq %rsp, %rax |
| ; CHECK-X86-64-NEXT: movl %edi, %ecx |
| ; CHECK-X86-64-NEXT: leaq 15(,%rcx,4), %rcx |
| ; CHECK-X86-64-NEXT: andq $-16, %rcx |
| ; CHECK-X86-64-NEXT: subq %rcx, %rax |
| ; CHECK-X86-64-NEXT: cmpq %rsp, %rax |
| ; CHECK-X86-64-NEXT: jge .LBB0_3 |
| ; CHECK-X86-64-NEXT: .LBB0_2: # =>This Inner Loop Header: Depth=1 |
| ; CHECK-X86-64-NEXT: xorq $0, (%rsp) |
| ; CHECK-X86-64-NEXT: subq $4096, %rsp # imm = 0x1000 |
| ; CHECK-X86-64-NEXT: cmpq %rsp, %rax |
| ; CHECK-X86-64-NEXT: jl .LBB0_2 |
| ; CHECK-X86-64-NEXT: .LBB0_3: |
| ; CHECK-X86-64-NEXT: movq %rax, %rsp |
| ; CHECK-X86-64-NEXT: movl $1, 4792(%rax) |
| ; CHECK-X86-64-NEXT: movl (%rax), %eax |
| ; CHECK-X86-64-NEXT: movq %rbp, %rsp |
| ; CHECK-X86-64-NEXT: popq %rbp |
| ; CHECK-X86-64-NEXT: .cfi_def_cfa %rsp, 8 |
| ; CHECK-X86-64-NEXT: retq |
| ; |
| ; CHECK-X86-32-LABEL: foo: |
| ; CHECK-X86-32: # %bb.0: |
| ; CHECK-X86-32-NEXT: pushl %ebp |
| ; CHECK-X86-32-NEXT: .cfi_def_cfa_offset 8 |
| ; CHECK-X86-32-NEXT: .cfi_offset %ebp, -8 |
| ; CHECK-X86-32-NEXT: movl %esp, %ebp |
| ; CHECK-X86-32-NEXT: .cfi_def_cfa_register %ebp |
| ; CHECK-X86-32-NEXT: subl $8, %esp |
| ; CHECK-X86-32-NEXT: movl 8(%ebp), %ecx |
| ; CHECK-X86-32-NEXT: movl %esp, %eax |
| ; CHECK-X86-32-NEXT: leal 15(,%ecx,4), %ecx |
| ; CHECK-X86-32-NEXT: andl $-16, %ecx |
| ; CHECK-X86-32-NEXT: subl %ecx, %eax |
| ; CHECK-X86-32-NEXT: cmpl %esp, %eax |
| ; CHECK-X86-32-NEXT: jge .LBB0_3 |
| ; CHECK-X86-32-NEXT: .LBB0_2: # =>This Inner Loop Header: Depth=1 |
| ; CHECK-X86-32-NEXT: xorl $0, (%esp) |
| ; CHECK-X86-32-NEXT: subl $4096, %esp # imm = 0x1000 |
| ; CHECK-X86-32-NEXT: cmpl %esp, %eax |
| ; CHECK-X86-32-NEXT: jl .LBB0_2 |
| ; CHECK-X86-32-NEXT: .LBB0_3: |
| ; CHECK-X86-32-NEXT: movl %eax, %esp |
| ; CHECK-X86-32-NEXT: movl $1, 4792(%eax) |
| ; CHECK-X86-32-NEXT: movl (%eax), %eax |
| ; CHECK-X86-32-NEXT: movl %ebp, %esp |
| ; CHECK-X86-32-NEXT: popl %ebp |
| ; CHECK-X86-32-NEXT: .cfi_def_cfa %esp, 4 |
| ; CHECK-X86-32-NEXT: retl |
| %a = alloca i32, i32 %n, align 16 |
| %b = getelementptr inbounds i32, ptr %a, i64 1198 |
| store volatile i32 1, ptr %b |
| %c = load volatile i32, ptr %a |
| ret i32 %c |
| } |
| |
| attributes #0 = {"probe-stack"="inline-asm"} |