view test/CodeGen/Generic/empty-phi.ll @ 146:3fc4d5c3e21e

set tail call flag for code segment in CGCAll
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 23 Dec 2018 19:23:36 +0900
parents afa8332a0e37
children
line wrap: on
line source

; RUN: llc < %s

define void @f() {
entry:
  br label %bb1

bb1:
  %0 = phi [0 x { i8*, i64, i64 }] [ %load, %bb2 ], [ undef, %entry ]
  store [0 x { i8*, i64, i64 }] %0, [0 x { i8*, i64, i64 }]* undef, align 8
  %1 = icmp eq i64 undef, 0
  br i1 %1, label %bb2, label %bb3

bb2:
  %load = load [0 x { i8*, i64, i64 }], [0 x { i8*, i64, i64 }]* undef, align 8
  br label %bb1

bb3:
  ret void
}