| ; RUN: llc -disable-tail-calls < %s | FileCheck --check-prefix=CALL %s | |
| ; RUN: llc < %s | FileCheck --check-prefix=JMP %s | |
| target 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" | |
| target triple = "x86_64-unknown-linux-gnu" | |
| define i32 @helper() nounwind { | |
| entry: | |
| ret i32 7 | |
| } | |
| define i32 @test1() nounwind { | |
| entry: | |
| %call = tail call i32 @helper() | |
| ret i32 %call | |
| } | |
| ; CALL-LABEL: test1: | |
| ; CALL-NOT: ret | |
| ; CALL: callq helper | |
| ; CALL: ret | |
| ; JMP-LABEL: test1: | |
| ; JMP-NOT: ret | |
| ; JMP: jmp helper # TAILCALL | |
| define i32 @test2() nounwind { | |
| entry: | |
| %call = tail call i32 @test2() | |
| ret i32 %call | |
| } | |
| ; CALL-LABEL: test2: | |
| ; CALL-NOT: ret | |
| ; CALL: callq test2 | |
| ; CALL: ret | |
| ; JMP-LABEL: test2: | |
| ; JMP-NOT: ret | |
| ; JMP: jmp test2 # TAILCALL |