1; RUN: llc -disable-tail-calls < %s | FileCheck --check-prefix=CALL %s
2; RUN: llc < %s | FileCheck --check-prefix=JMP %s
3
4target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
5target triple = "x86_64-unknown-linux-gnu"
6
7define i32 @helper() nounwind {
8entry:
9  ret i32 7
10}
11
12define i32 @test1() nounwind {
13entry:
14  %call = tail call i32 @helper()
15  ret i32 %call
16}
17
18; CALL-LABEL: test1:
19; CALL-NOT: ret
20; CALL: callq helper
21; CALL: ret
22
23; JMP-LABEL: test1:
24; JMP-NOT: ret
25; JMP: jmp helper # TAILCALL
26
27define i32 @test2() nounwind {
28entry:
29  %call = tail call i32 @test2()
30  ret i32 %call
31}
32
33; CALL-LABEL: test2:
34; CALL-NOT: ret
35; CALL: callq test2
36; CALL: ret
37
38; JMP-LABEL: test2:
39; JMP-NOT: ret
40; JMP: jmp test2 # TAILCALL
41