| ; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=+tail-call | FileCheck %s |
| |
| ; Test that the tail-call attribute is accepted |
| ; TODO(tlively): implement tail call |
| |
| target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" |
| target triple = "wasm32-unknown-unknown" |
| |
| ; CHECK-LABEL: recursive_tail: |
| ; CHECK: i32.call $push[[L0:[0-9]+]]=, recursive_tail{{$}} |
| ; CHECK-NEXT: return $pop[[L0]]{{$}} |
| define i32 @recursive_tail() { |
| %v = tail call i32 @recursive_tail() |
| ret i32 %v |
| } |
| |
| ; CHECK-LABEL: .section .custom_section.target_features |
| ; CHECK-NEXT: .int8 1 |
| ; CHECK-NEXT: .int8 43 |
| ; CHECK-NEXT: .int8 9 |
| ; CHECK-NEXT: .ascii "tail-call" |
