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 7 declare void @g(i32, i32, i32, i32) 8 9 define void @f() { 10 ; DARWIN-LABEL: f: 11 ; DARWIN: blx _g 12 13 ; LINUX-LABEL: f: 14 ; LINUX: bl g 15 tail call void @g( i32 1, i32 2, i32 3, i32 4 ) 16 ret void 17 } 18 19 define void @h() { 20 ; DARWIN-LABEL: h: 21 ; DARWIN: bx r0 @ TAILCALL 22 23 ; LINUX-LABEL: h: 24 ; LINUX: bx r0 @ TAILCALL 25 %tmp = load i32 ()*, i32 ()** @t ; <i32 ()*> [#uses=1] 26 %tmp.upgrd.2 = tail call i32 %tmp( ) ; <i32> [#uses=0] 27 ret void 28 } 29 30 define void @j() { 31 ; DARWIN-LABEL: j: 32 ; DARWIN: b.w _f @ TAILCALL 33 34 ; LINUX-LABEL: j: 35 ; LINUX: b.w f @ TAILCALL 36 tail call void @f() 37 ret void 38 } 39