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
57
58
59
60
61
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=slp-vectorizer -S |FileCheck %s
; RUN: opt < %s -aa-pipeline=basic-aa -passes=slp-vectorizer -S |FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-unknown"
; Test if SLP can handle GEP expressions.
; The test perform the following action:
; x->first = y->first + 16
; x->second = y->second + 16
define void @foo1 (ptr noalias %x, ptr noalias %y) {
; CHECK-LABEL: @foo1(
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds { ptr, ptr }, ptr [[Y:%.*]], i64 0, i32 0
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds { ptr, ptr }, ptr [[X:%.*]], i64 0, i32 0
; CHECK-NEXT: [[TMP4:%.*]] = load <2 x ptr>, ptr [[TMP1]], align 8
; CHECK-NEXT: [[TMP5:%.*]] = getelementptr i32, <2 x ptr> [[TMP4]], <2 x i64> <i64 16, i64 16>
; CHECK-NEXT: store <2 x ptr> [[TMP5]], ptr [[TMP2]], align 8
; CHECK-NEXT: ret void
;
%1 = getelementptr inbounds { ptr, ptr }, ptr %y, i64 0, i32 0
%2 = load ptr, ptr %1, align 8
%3 = getelementptr inbounds i32, ptr %2, i64 16
%4 = getelementptr inbounds { ptr, ptr }, ptr %x, i64 0, i32 0
store ptr %3, ptr %4, align 8
%5 = getelementptr inbounds { ptr, ptr }, ptr %y, i64 0, i32 1
%6 = load ptr, ptr %5, align 8
%7 = getelementptr inbounds i32, ptr %6, i64 16
%8 = getelementptr inbounds { ptr, ptr }, ptr %x, i64 0, i32 1
store ptr %7, ptr %8, align 8
ret void
}
; Test that we don't vectorize GEP expressions if indexes are not constants.
; We can't produce an efficient code in that case.
define void @foo2 (ptr noalias %x, ptr noalias %y, i32 %i) {
; CHECK-LABEL: @foo2(
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds { ptr, ptr }, ptr [[Y:%.*]], i64 0, i32 0
; CHECK-NEXT: [[TMP2:%.*]] = load ptr, ptr [[TMP1]], align 8
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[TMP2]], i32 [[I:%.*]]
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds { ptr, ptr }, ptr [[X:%.*]], i64 0, i32 0
; CHECK-NEXT: store ptr [[TMP3]], ptr [[TMP4]], align 8
; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds { ptr, ptr }, ptr [[Y]], i64 0, i32 1
; CHECK-NEXT: [[TMP6:%.*]] = load ptr, ptr [[TMP5]], align 8
; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[TMP6]], i32 [[I]]
; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds { ptr, ptr }, ptr [[X]], i64 0, i32 1
; CHECK-NEXT: store ptr [[TMP7]], ptr [[TMP8]], align 8
; CHECK-NEXT: ret void
;
%1 = getelementptr inbounds { ptr, ptr }, ptr %y, i64 0, i32 0
%2 = load ptr, ptr %1, align 8
%3 = getelementptr inbounds i32, ptr %2, i32 %i
%4 = getelementptr inbounds { ptr, ptr }, ptr %x, i64 0, i32 0
store ptr %3, ptr %4, align 8
%5 = getelementptr inbounds { ptr, ptr }, ptr %y, i64 0, i32 1
%6 = load ptr, ptr %5, align 8
%7 = getelementptr inbounds i32, ptr %6, i32 %i
%8 = getelementptr inbounds { ptr, ptr }, ptr %x, i64 0, i32 1
store ptr %7, ptr %8, align 8
ret void
}
|
