; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 ; RUN: llc -global-isel=1 -mtriple=x86_64-linux-gnu -o - %s | FileCheck %s declare void @use_addr(ptr) declare ptr @llvm.stacksave.p0() declare void @llvm.stackrestore.p0(ptr) define void @test_scoped_alloca(i64 %n) { ; CHECK-LABEL: test_scoped_alloca: ; CHECK: # %bb.0: ; CHECK-NEXT: pushq %rbp ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset %rbp, -16 ; CHECK-NEXT: movq %rsp, %rbp ; CHECK-NEXT: .cfi_def_cfa_register %rbp ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: pushq %rax ; CHECK-NEXT: .cfi_offset %rbx, -24 ; CHECK-NEXT: movq %rsp, %rbx ; CHECK-NEXT: movq %rsp, %rax ; CHECK-NEXT: imulq $1, %rdi, %rcx ; CHECK-NEXT: addq $15, %rcx ; CHECK-NEXT: andq $-16, %rcx ; CHECK-NEXT: subq %rcx, %rax ; CHECK-NEXT: movq %rax, %rsp ; CHECK-NEXT: movq %rax, %rdi ; CHECK-NEXT: callq use_addr ; CHECK-NEXT: movq %rbx, %rsp ; CHECK-NEXT: leaq -8(%rbp), %rsp ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: popq %rbp ; CHECK-NEXT: .cfi_def_cfa %rsp, 8 ; CHECK-NEXT: retq %sp = call ptr @llvm.stacksave.p0() %addr = alloca i8, i64 %n call void @use_addr(ptr %addr) call void @llvm.stackrestore.p0(ptr %sp) ret void }