1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-20 19:42:54 +02:00
llvm-mirror/test/Bitcode/tailcall.ll
Reid Kleckner e7e2ccb9e9 Add 'musttail' marker to call instructions
This is similar to the 'tail' marker, except that it guarantees that
tail call optimization will occur.  It also comes with convervative IR
verification rules that ensure that tail call optimization is possible.

Reviewers: nicholas

Differential Revision: http://llvm-reviews.chandlerc.com/D3240

llvm-svn: 207143
2014-04-24 20:14:34 +00:00

18 lines
407 B
LLVM

; RUN: llvm-as < %s | llvm-dis | FileCheck %s
; Check that musttail and tail roundtrip.
declare cc8191 void @t1_callee()
define cc8191 void @t1() {
; CHECK: tail call cc8191 void @t1_callee()
tail call cc8191 void @t1_callee()
ret void
}
declare cc8191 void @t2_callee()
define cc8191 void @t2() {
; CHECK: musttail call cc8191 void @t2_callee()
musttail call cc8191 void @t2_callee()
ret void
}