forked from llvm/llvm-project
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathscalable-vectorization-cost-tuning.ll
56 lines (46 loc) · 2.42 KB
/
scalable-vectorization-cost-tuning.ll
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
50
51
52
53
54
55
56
; REQUIRES: asserts
; RUN: opt -mtriple=aarch64 -mattr=+sve \
; RUN: -force-target-instruction-cost=1 -passes=loop-vectorize -S -debug-only=loop-vectorize --disable-output < %s 2>&1 \
; RUN: | FileCheck %s --check-prefixes=VSCALEFORTUNING1
; RUN: opt -mtriple=aarch64 -mattr=+sve -mcpu=generic \
; RUN: -force-target-instruction-cost=1 -passes=loop-vectorize -S -debug-only=loop-vectorize --disable-output < %s 2>&1 \
; RUN: | FileCheck %s --check-prefixes=VSCALEFORTUNING1
; RUN: opt -mtriple=aarch64 -mcpu=neoverse-v1 \
; RUN: -force-target-instruction-cost=1 -passes=loop-vectorize -S -debug-only=loop-vectorize --disable-output < %s 2>&1 \
; RUN: | FileCheck %s --check-prefixes=VSCALEFORTUNING2
; RUN: opt -mtriple=aarch64 -mcpu=neoverse-n2 \
; RUN: -force-target-instruction-cost=1 -passes=loop-vectorize -S -debug-only=loop-vectorize --disable-output < %s 2>&1 \
; RUN: | FileCheck %s --check-prefixes=VSCALEFORTUNING1
; RUN: opt -mtriple=aarch64 -mcpu=neoverse-v2 \
; RUN: -force-target-instruction-cost=1 -passes=loop-vectorize -S -debug-only=loop-vectorize --disable-output < %s 2>&1 \
; RUN: | FileCheck %s --check-prefixes=NEOVERSEV2
; VSCALEFORTUNING1: Cost for VF vscale x 2: 11 (Estimated cost per lane: 5.
; VSCALEFORTUNING1: Cost for VF vscale x 4: 11 (Estimated cost per lane: 2.
; VSCALEFORTUNING1: LV: Selecting VF: vscale x 16
; VSCALEFORTUNING2: Cost for VF vscale x 2: 11 (Estimated cost per lane: 2.
; VSCALEFORTUNING2: Cost for VF vscale x 4: 11 (Estimated cost per lane: 1.
; VSCALEFORTUNING2: LV: Selecting VF: vscale x 16
; NEOVERSEV2: Cost for VF vscale x 2: 11 (Estimated cost per lane: 5.
; NEOVERSEV2: Cost for VF vscale x 4: 11 (Estimated cost per lane: 2.
; NEOVERSEV2: LV: Selecting VF: 16
; VSCALEFORTUNING1: <vscale x 16 x i8>
; VSCALEFORTUNING2: <vscale x 16 x i8>
; NEOVERSEV2: <16 x i8>
define void @test0(ptr %a, ptr %b, ptr %c) #0 {
entry:
br label %loop
loop:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%arrayidx = getelementptr inbounds i8, ptr %c, i64 %iv
%0 = load i8, ptr %arrayidx, align 4
%arrayidx2 = getelementptr inbounds i8, ptr %b, i64 %iv
%1 = load i8, ptr %arrayidx2, align 4
%add = add nsw i8 %0, %1
%arrayidx5 = getelementptr inbounds i8, ptr %a, i64 %iv
store i8 %add, ptr %arrayidx5, align 4
%iv.next = add nuw nsw i64 %iv, 1
%exitcond.not = icmp eq i64 %iv.next, 1024
br i1 %exitcond.not, label %exit, label %loop
exit:
ret void
}