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
27
28
|
; RUN: llc < %s -march=arm64 | FileCheck %s
; rdar://12771555
define void @foo(i16* %ptr, i32 %a) nounwind {
entry:
; CHECK-LABEL: foo:
%tmp1 = icmp ult i32 %a, 100
br i1 %tmp1, label %bb1, label %bb2
bb1:
; CHECK: %bb1
; CHECK: ldrh [[REG:w[0-9]+]]
%tmp2 = load i16, i16* %ptr, align 2
br label %bb2
bb2:
; CHECK: %bb2
; CHECK-NOT: and {{w[0-9]+}}, [[REG]], #0xffff
; CHECK: cmp [[REG]], #23
%tmp3 = phi i16 [ 0, %entry ], [ %tmp2, %bb1 ]
%cmp = icmp ult i16 %tmp3, 24
br i1 %cmp, label %bb3, label %exit
bb3:
call void @bar() nounwind
br label %exit
exit:
ret void
}
declare void @bar ()
|
