1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
; RUN: llc < %s -verify-machineinstrs
; Make sure we don't end up with a CBNZ of an undef v-/phys-reg.
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
target triple = "arm64-apple-ios"
declare void @bar(i8*)
define void @foo(i8* %m, i32 %off0) {
.thread1653:
br i1 undef, label %0, label %.thread1880
%1 = icmp eq i32 undef, 0
%.not = xor i1 %1, true
%brmerge = or i1 %.not, undef
br i1 %brmerge, label %.thread1880, label %.thread1705
.thread1705:
ret void
.thread1880:
%m1652.ph = phi i8* [ %m, %0 ], [ null, %.thread1653 ]
call void @bar(i8* %m1652.ph)
ret void
}
|
