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
44
45
46
47
48
49
|
; RUN: opt %loadPolly -basic-aa -polly-codegen -polly-vectorizer=polly -dce -S < %s | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
@A = common global [1024 x float] zeroinitializer, align 16
@B = common global [1024 x float] zeroinitializer, align 16
@C = common global [1024 x float] zeroinitializer, align 16
define void @simple_vec_stride_one() nounwind {
bb0:
br label %bb1
bb1:
%indvar = phi i64 [ %indvar.next, %bb4 ], [ 0, %bb0 ]
%scevgep = getelementptr [1024 x float], ptr @B, i64 0, i64 %indvar
%scevgep2 = getelementptr [1024 x float], ptr @C, i64 0, i64 %indvar
%scevgep1 = getelementptr [1024 x float], ptr @A, i64 0, i64 %indvar
%exitcond = icmp ne i64 %indvar, 4
br i1 %exitcond, label %bb2a, label %bb5
bb2a:
%tmp1 = load float, ptr %scevgep1, align 4
store float %tmp1, ptr %scevgep, align 4
br label %bb2b
bb2b:
%tmp2 = load float, ptr %scevgep1, align 4
store float %tmp2, ptr %scevgep2, align 4
br label %bb4
bb4:
%indvar.next = add i64 %indvar, 1
br label %bb1
bb5:
ret void
}
define i32 @main() nounwind {
call void @simple_vec_stride_one()
%1 = load float, ptr getelementptr inbounds ([1024 x float], ptr @A, i64 0, i64 42), align 8
%2 = fptosi float %1 to i32
ret i32 %2
}
; CHECK: [[LOAD1:%[a-zA-Z0-9_]+_full]] = load <4 x float>, ptr
; CHECK: store <4 x float> [[LOAD1]]
; CHECK: [[LOAD2:%[a-zA-Z0-9_]+_full]] = load <4 x float>, ptr
; CHECK: store <4 x float> [[LOAD2]]
|
