| ; 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: test1: |
| ;CALL-NOT: ret |
| ;CALL: callq helper |
| ;CALL: ret |
| |
| ;JMP: test1: |
| ;JMP-NOT: ret |
| ;JMP: jmp helper # TAILCALL |
| |
| define i32 @test2() nounwind { |
| entry: |
| %call = tail call i32 @test2() |
| ret i32 %call |
| } |
| |
| ;CALL: test2: |
| ;CALL-NOT: ret |
| ;CALL: callq test2 |
| ;CALL: ret |
| |
| ;JMP: test2: |
| ;JMP-NOT: ret |
| ;JMP: jmp test2 # TAILCALL |