| ; RUN: llc -mtriple thumbv7-windows-coff -filetype asm -o - %s | FileCheck %s -check-prefix CHECK-COFF | 
 | ; RUN: llc -mtriple thumbv7-elf -filetype asm -o - %s | FileCheck %s -check-prefix CHECK-OTHER | 
 | ; RUN: llc -mtriple thumbv7-macho -filetype asm -o - %s | FileCheck %s -check-prefix CHECK-OTHER | 
 |  | 
 | declare i8* @f() | 
 | declare extern_weak i8* @g(i8*) | 
 |  | 
 | ; weak symbol resolution occurs statically in PE/COFF, ensure that we permit | 
 | ; tail calls on weak externals when targeting a COFF environment. | 
 | define void @test() { | 
 |   %call = tail call i8* @f() | 
 |   %call1 = tail call i8* @g(i8* %call) | 
 |   ret void | 
 | } | 
 |  | 
 | ; CHECK-COFF: b g | 
 | ; CHECK-OTHER: bl {{_?}}g | 
 |  |