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; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mattr=+thumb2 | FileCheck %s -check-prefix=DARWIN
; RUN: llc < %s -mtriple=thumbv7-linux -mattr=+thumb2 | FileCheck %s -check-prefix=LINUX
; XFAIL: *
@t = weak global i32 ()* null ; <i32 ()**> [#uses=1]
declare void @g(i32, i32, i32, i32)
define void @f() {
; DARWIN-LABEL: f:
; DARWIN: blx _g
; LINUX-LABEL: f:
; LINUX: bl g
tail call void @g( i32 1, i32 2, i32 3, i32 4 )
ret void
}
define void @h() {
; DARWIN-LABEL: h:
; DARWIN: bx r0 @ TAILCALL
; LINUX-LABEL: h:
; LINUX: bx r0 @ TAILCALL
%tmp = load i32 ()** @t ; <i32 ()*> [#uses=1]
%tmp.upgrd.2 = tail call i32 %tmp( ) ; <i32> [#uses=0]
ret void
}
define void @j() {
; DARWIN-LABEL: j:
; DARWIN: b.w _f @ TAILCALL
; LINUX-LABEL: j:
; LINUX: b.w f @ TAILCALL
tail call void @f()
ret void
}
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