; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnux32 -verify-machineinstrs | FileCheck %s target datalayout = "e-m:e-p:32:32-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnux32" ; probe-stack + dynamic size alloca define void @test1(i32 %size) nounwind #0 { ; CHECK-LABEL: test1: ; CHECK: # %bb.0: # %start ; CHECK-NEXT: pushq %rbp ; CHECK-NEXT: movl %esp, %ebp ; CHECK-NEXT: # kill: def $edi killed $edi def $rdi ; CHECK-NEXT: leal 15(%rdi), %eax ; CHECK-NEXT: andl $-16, %eax ; CHECK-NEXT: callq __rust_probestack ; CHECK-NEXT: subl %eax, %esp start: %alloca = alloca i8, i32 %size unreachable } ; probe-stack + no-stack-arg-probe + dynamic size alloca define void @test2(i32 %size) nounwind #1 { ; CHECK-LABEL: test2: ; CHECK: # %bb.0: # %start ; CHECK-NEXT: pushq %rbp ; CHECK-NEXT: movl %esp, %ebp ; CHECK-NEXT: addl $15, %edi ; CHECK-NEXT: andl $-16, %edi ; CHECK-NEXT: subl %edi, %esp start: %alloca = alloca i8, i32 %size unreachable } ; probe-stack + fixed size alloca not in entry block define void @test3() nounwind #0 { ; CHECK-LABEL: test3: ; CHECK: # %bb.0: # %start ; CHECK-NEXT: pushq %rbp ; CHECK-NEXT: movl %esp, %ebp ; CHECK-NEXT: pushq %rax ; CHECK-NEXT: subl $1992, %esp # imm = 0x7C8 start: br label %block block: %alloca = alloca i8, i32 2000 unreachable } attributes #0 = { "probe-stack"="__rust_probestack" } attributes #1 = { "probe-stack"="__rust_probestack" "no-stack-arg-probe" }