| ; RUN: llc < %s | FileCheck %s |
| |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1 immarg); |
| |
| define void @foo() local_unnamed_addr #0 { |
| |
| ;CHECK-LABEL: foo: |
| ;CHECK: # %bb.0: |
| ;CHECK-NEXT: subq $4096, %rsp # imm = 0x1000 |
| ; it's important that we don't use the call as a probe here |
| ;CHECK-NEXT: movq $0, (%rsp) |
| ;CHECK-NEXT: subq $3912, %rsp # imm = 0xF48 |
| ;CHECK-NEXT: .cfi_def_cfa_offset 8016 |
| ;CHECK-NEXT: movq %rsp, %rdi |
| ;CHECK-NEXT: movl $8000, %edx # imm = 0x1F40 |
| ;CHECK-NEXT: xorl %esi, %esi |
| ;CHECK-NEXT: callq memset |
| ;CHECK-NEXT: addq $8008, %rsp # imm = 0x1F48 |
| ;CHECK-NEXT: .cfi_def_cfa_offset 8 |
| ;CHECK-NEXT: retq |
| |
| %a = alloca i8, i64 8000, align 16 |
| call void @llvm.memset.p0i8.i64(i8* align 16 %a, i8 0, i64 8000, i1 false) |
| ret void |
| } |
| |
| attributes #0 = {"probe-stack"="inline-asm"} |
