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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
; RUN: opt -passes='lto<O3>' -S %s | FileCheck %s
target triple = "arm64e-apple-darwin"
@A = external unnamed_addr global i8**, align 8
@B = external unnamed_addr global i8**, align 8
@C = internal unnamed_addr global i32 0, align 4
@D = external unnamed_addr global i32, align 4
; CHECK-LABEL: @fn
; CHECK: vector.body:
;
define void @fn() {
entry:
%v.D = load i32, i32* @D, align 4
store i32 %v.D, i32* @C, align 4
call void @clobber()
%v.B = load i8**, i8*** @B, align 8
%v.A = load i8**, i8*** @A, align 8
%gep.1 = getelementptr inbounds i8*, i8** %v.A, i64 0
%v.gep.1 = load i8*, i8** %gep.1, align 8
%gep.2 = getelementptr inbounds i8*, i8** %v.B, i64 0
%v.gep.2 = load i8*, i8** %gep.2, align 8
%cmp = icmp eq i8* %v.gep.2, null
br i1 %cmp, label %exit, label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
%gep.3 = getelementptr inbounds i8, i8* %v.gep.2, i32 %iv
%v.gep.3 = load i8, i8* %gep.3, align 1
%gep.4 = getelementptr inbounds i8, i8* %v.gep.1, i32 %iv
store i8 %v.gep.3, i8* %gep.4, align 1
%iv.next = add nuw nsw i32 %iv, 1
%v.C = load i32, i32* @C, align 4
%exit.cond = icmp sgt i32 %iv, %v.C
br i1 %exit.cond, label %exit, label %loop
exit:
ret void
}
declare void @clobber()
|
