1 ; RUN: llc -march=x86-64 < %s | FileCheck %s
4 define i64 @t(i64* %arg) nounwind {
5 br i1 true, label %1, label %5
7 ; <label>:1 ; preds = %0
8 %2 = icmp eq i64* null, %arg ; <i1> [#uses=1]
9 %3 = tail call i64* asm sideeffect "movl %fs:0,$0", "=r,~{dirflag},~{fpsr},~{flags}"() nounwind ; <%struct.thread*> [#uses=0]
12 br i1 %2, label %4, label %5
14 ; <label>:4 ; preds = %1
17 ; <label>:5 ; preds = %1