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|
; RUN: llc < %s -mtriple=i686-pc-linux-gnu -relocation-model=pic | FileCheck %s
; While many of these could be tail called, we don't do it because it forces
; early binding.
declare void @external()
define hidden void @tailcallee_hidden() {
entry:
ret void
}
define void @tailcall_hidden() {
entry:
tail call void @tailcallee_hidden()
ret void
}
; CHECK: tailcall_hidden:
; CHECK: jmp tailcallee_hidden
define internal void @tailcallee_internal() {
entry:
ret void
}
define void @tailcall_internal() {
entry:
tail call void @tailcallee_internal()
ret void
}
; CHECK: tailcall_internal:
; CHECK: jmp tailcallee_internal
define default void @tailcallee_default() {
entry:
ret void
}
define void @tailcall_default() {
entry:
tail call void @tailcallee_default()
ret void
}
; CHECK: tailcall_default:
; CHECK: calll tailcallee_default@PLT
define void @tailcallee_default_implicit() {
entry:
ret void
}
define void @tailcall_default_implicit() {
entry:
tail call void @tailcallee_default_implicit()
ret void
}
; CHECK: tailcall_default_implicit:
; CHECK: calll tailcallee_default_implicit@PLT
define void @tailcall_external() {
tail call void @external()
ret void
}
; CHECK: tailcall_external:
; CHECK: calll external@PLT
define void @musttail_external() {
musttail call void @external()
ret void
}
; CHECK: musttail_external:
; CHECK: movl external@GOT
; CHECK: jmpl
|
