xref: /llvm-project/llvm/test/CodeGen/WebAssembly/unused-argument.ll (revision 122b0220fd45ee71acda912b0b712bb8edb6ba46)
1; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s
2
3; Make sure that argument offsets are correct even if some arguments are unused.
4
5target triple = "wasm32-unknown-unknown"
6
7; CHECK-LABEL: unused_first:
8; CHECK-NEXT: .functype unused_first (i32, i32) -> (i32){{$}}
9; CHECK-NEXT: return $1{{$}}
10define i32 @unused_first(i32 %x, i32 %y) {
11  ret i32 %y
12}
13
14; CHECK-LABEL: unused_second:
15; CHECK-NEXT: .functype unused_second (i32, i32) -> (i32){{$}}
16; CHECK-NEXT: return $0{{$}}
17define i32 @unused_second(i32 %x, i32 %y) {
18  ret i32 %x
19}
20
21; CHECK-LABEL: call_something:
22; CHECK:      {{^}} call $drop=, return_something{{$}}
23; CHECK-NEXT: return{{$}}
24declare i32 @return_something()
25define void @call_something() {
26  call i32 @return_something()
27  ret void
28}
29