1 ; RUN: llc -disable-tail-calls < %s | FileCheck --check-prefix=CALL %s 2 ; RUN: llc < %s | FileCheck --check-prefix=JMP %s 3 4 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" 5 target triple = "x86_64-unknown-linux-gnu" 6 7 define i32 @helper() nounwind { 8 entry: 9 ret i32 7 10 } 11 12 define i32 @test1() nounwind { 13 entry: 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 27 define i32 @test2() nounwind { 28 entry: 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
