70 lines
2.7 KiB
LLVM
70 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --no_x86_scrub_sp
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; RUN: llc -mtriple=x86_64-linux-android < %s | FileCheck -check-prefix=CHECK-X86-64 %s
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; RUN: llc -mtriple=i686-linux-android < %s | FileCheck -check-prefix=CHECK-X86-32 %s
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define i32 @foo(i32 %n) local_unnamed_addr #0 {
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; CHECK-X86-64-LABEL: foo:
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; CHECK-X86-64: # %bb.0:
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; CHECK-X86-64-NEXT: pushq %rbp
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; CHECK-X86-64-NEXT: .cfi_def_cfa_offset 16
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; CHECK-X86-64-NEXT: .cfi_offset %rbp, -16
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; CHECK-X86-64-NEXT: movq %rsp, %rbp
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; CHECK-X86-64-NEXT: .cfi_def_cfa_register %rbp
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; CHECK-X86-64-NEXT: movq %rsp, %rax
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; CHECK-X86-64-NEXT: movl %edi, %ecx
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; CHECK-X86-64-NEXT: leaq 15(,%rcx,4), %rcx
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; CHECK-X86-64-NEXT: andq $-16, %rcx
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; CHECK-X86-64-NEXT: subq %rcx, %rax
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; CHECK-X86-64-NEXT: cmpq %rsp, %rax
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; CHECK-X86-64-NEXT: jge .LBB0_3
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; CHECK-X86-64-NEXT: .LBB0_2: # =>This Inner Loop Header: Depth=1
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; CHECK-X86-64-NEXT: xorq $0, (%rsp)
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; CHECK-X86-64-NEXT: subq $4096, %rsp # imm = 0x1000
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; CHECK-X86-64-NEXT: cmpq %rsp, %rax
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; CHECK-X86-64-NEXT: jl .LBB0_2
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; CHECK-X86-64-NEXT: .LBB0_3:
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; CHECK-X86-64-NEXT: movq %rax, %rsp
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; CHECK-X86-64-NEXT: movl $1, 4792(%rax)
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; CHECK-X86-64-NEXT: movl (%rax), %eax
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; CHECK-X86-64-NEXT: movq %rbp, %rsp
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; CHECK-X86-64-NEXT: popq %rbp
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; CHECK-X86-64-NEXT: .cfi_def_cfa %rsp, 8
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; CHECK-X86-64-NEXT: retq
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;
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; CHECK-X86-32-LABEL: foo:
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; CHECK-X86-32: # %bb.0:
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; CHECK-X86-32-NEXT: pushl %ebp
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; CHECK-X86-32-NEXT: .cfi_def_cfa_offset 8
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; CHECK-X86-32-NEXT: .cfi_offset %ebp, -8
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; CHECK-X86-32-NEXT: movl %esp, %ebp
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; CHECK-X86-32-NEXT: .cfi_def_cfa_register %ebp
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; CHECK-X86-32-NEXT: subl $8, %esp
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; CHECK-X86-32-NEXT: movl 8(%ebp), %ecx
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; CHECK-X86-32-NEXT: movl %esp, %eax
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; CHECK-X86-32-NEXT: leal 15(,%ecx,4), %ecx
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; CHECK-X86-32-NEXT: andl $-16, %ecx
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; CHECK-X86-32-NEXT: subl %ecx, %eax
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; CHECK-X86-32-NEXT: cmpl %esp, %eax
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; CHECK-X86-32-NEXT: jge .LBB0_3
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; CHECK-X86-32-NEXT: .LBB0_2: # =>This Inner Loop Header: Depth=1
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; CHECK-X86-32-NEXT: xorl $0, (%esp)
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; CHECK-X86-32-NEXT: subl $4096, %esp # imm = 0x1000
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; CHECK-X86-32-NEXT: cmpl %esp, %eax
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; CHECK-X86-32-NEXT: jl .LBB0_2
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; CHECK-X86-32-NEXT: .LBB0_3:
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; CHECK-X86-32-NEXT: movl %eax, %esp
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; CHECK-X86-32-NEXT: movl $1, 4792(%eax)
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; CHECK-X86-32-NEXT: movl (%eax), %eax
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; CHECK-X86-32-NEXT: movl %ebp, %esp
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; CHECK-X86-32-NEXT: popl %ebp
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; CHECK-X86-32-NEXT: .cfi_def_cfa %esp, 4
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; CHECK-X86-32-NEXT: retl
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%a = alloca i32, i32 %n, align 16
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%b = getelementptr inbounds i32, i32* %a, i64 1198
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store volatile i32 1, i32* %b
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%c = load volatile i32, i32* %a
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ret i32 %c
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}
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attributes #0 = {"probe-stack"="inline-asm"}
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