1; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mattr=+thumb2 | FileCheck %s -check-prefix=DARWIN 2; RUN: llc < %s -mtriple=thumbv7-linux -mattr=+thumb2 | FileCheck %s -check-prefix=LINUX 3; XFAIL: * 4 5@t = weak global i32 ()* null ; <i32 ()**> [#uses=1] 6 7declare void @g(i32, i32, i32, i32) 8 9define void @f() { 10; DARWIN: f: 11; DARWIN: blx _g 12 13; LINUX: f: 14; LINUX: bl g 15 tail call void @g( i32 1, i32 2, i32 3, i32 4 ) 16 ret void 17} 18 19define void @h() { 20; DARWIN: h: 21; DARWIN: bx r0 @ TAILCALL 22 23; LINUX: h: 24; LINUX: bx r0 @ TAILCALL 25 %tmp = load i32 ()** @t ; <i32 ()*> [#uses=1] 26 %tmp.upgrd.2 = tail call i32 %tmp( ) ; <i32> [#uses=0] 27 ret void 28} 29 30define void @j() { 31; DARWIN: j: 32; DARWIN: b.w _f @ TAILCALL 33 34; LINUX: j: 35; LINUX: b.w f @ TAILCALL 36 tail call void @f() 37 ret void 38} 39