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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S --slp-vectorizer -mtriple=x86_64-unknown %s -slp-threshold=-5 | FileCheck %s
define i32 @test(i32* %isec) {
; CHECK-LABEL: @test(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ARRAYIDX10:%.*]] = getelementptr inbounds i32, i32* [[ISEC:%.*]], i32 0
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[ARRAYIDX10]] to <2 x i32>*
; CHECK-NEXT: [[TMP1:%.*]] = load <2 x i32>, <2 x i32>* [[TMP0]], align 8
; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <2 x i32> [[TMP1]], <2 x i32> poison, <2 x i32> <i32 1, i32 0>
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x i32> [[TMP1]], i32 0
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <2 x i32> poison, i32 [[TMP2]], i32 0
; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i32> [[TMP1]], i32 1
; CHECK-NEXT: [[TMP5:%.*]] = insertelement <2 x i32> [[TMP3]], i32 [[TMP4]], i32 1
; CHECK-NEXT: br i1 false, label [[BLOCK1:%.*]], label [[BLOCK3:%.*]]
; CHECK: block1:
; CHECK-NEXT: br i1 false, label [[BLOCK2:%.*]], label [[BLOCK3]]
; CHECK: block2:
; CHECK-NEXT: br label [[BLOCK3]]
; CHECK: block3:
; CHECK-NEXT: [[TMP6:%.*]] = phi <2 x i32> [ [[SHUFFLE]], [[BLOCK1]] ], [ [[SHUFFLE]], [[BLOCK2]] ], [ [[TMP5]], [[ENTRY:%.*]] ]
; CHECK-NEXT: [[TMP7:%.*]] = extractelement <2 x i32> [[TMP6]], i32 0
; CHECK-NEXT: [[TMP8:%.*]] = extractelement <2 x i32> [[TMP6]], i32 1
; CHECK-NEXT: [[TMP9:%.*]] = mul i32 [[TMP7]], [[TMP8]]
; CHECK-NEXT: ret i32 [[TMP9]]
;
entry:
%arrayidx10 = getelementptr inbounds i32, i32* %isec, i32 0
%0 = bitcast i32* %arrayidx10 to <2 x i32>*
%1 = load <2 x i32>, <2 x i32>* %0, align 8
%2 = extractelement <2 x i32> %1, i32 1
%3 = extractelement <2 x i32> %1, i32 0
br i1 false, label %block1, label %block3
block1:
br i1 false, label %block2, label %block3
block2:
br label %block3
block3:
%4 = phi i32 [ %2, %block1 ], [ %2, %block2 ], [ %3, %entry ]
%5 = phi i32 [ %3, %block1 ], [ %3, %block2 ], [ %2, %entry ]
%6 = mul i32 %4, %5
ret i32 %6
}
|
