1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -reassociate -early-cse -earlycse-debug-hash -S < %s | FileCheck %s
3
4@num1 = local_unnamed_addr global i32 0, align 4
5@num2 = local_unnamed_addr global i32 0, align 4
6@num3 = local_unnamed_addr global i32 0, align 4
7@num4 = local_unnamed_addr global i32 0, align 4
8
9define signext i32 @twoPairs(i32 signext %0, i32 signext %1, i32 signext %2, i32 signext %3, i32 signext %4) {
10; CHECK-LABEL: @twoPairs(
11; CHECK-NEXT:    [[TMP6:%.*]] = add i32 [[TMP2:%.*]], [[TMP0:%.*]]
12; CHECK-NEXT:    [[TMP7:%.*]] = add i32 [[TMP6]], [[TMP1:%.*]]
13; CHECK-NEXT:    [[TMP8:%.*]] = add i32 [[TMP7]], [[TMP3:%.*]]
14; CHECK-NEXT:    [[TMP9:%.*]] = add i32 [[TMP8]], [[TMP4:%.*]]
15; CHECK-NEXT:    store i32 [[TMP9]], i32* @num1, align 4
16; CHECK-NEXT:    store i32 [[TMP6]], i32* @num2, align 4
17; CHECK-NEXT:    [[TMP10:%.*]] = add nsw i32 [[TMP3]], [[TMP1]]
18; CHECK-NEXT:    store i32 [[TMP10]], i32* @num3, align 4
19; CHECK-NEXT:    ret i32 undef
20;
21  %6 = add i32 %2, %0
22  %7 = add i32 %6, %1
23  %8 = add i32 %7, %3
24  %9 = add i32 %8, %4
25  store i32 %9, i32* @num1, align 4
26  %10 = add nsw i32 %2, %0
27  store i32 %10, i32* @num2, align 4
28  %11 = add nsw i32 %3, %1
29  store i32 %11, i32* @num3, align 4
30  ret i32 undef
31}
32
33define signext i32 @twoPairsAllOpInPairs(i32 signext %0, i32 signext %1, i32 signext %2, i32 signext %3) {
34; CHECK-LABEL: @twoPairsAllOpInPairs(
35; CHECK-NEXT:    [[TMP5:%.*]] = add i32 [[TMP2:%.*]], [[TMP1:%.*]]
36; CHECK-NEXT:    [[TMP6:%.*]] = add i32 [[TMP5]], [[TMP0:%.*]]
37; CHECK-NEXT:    [[TMP7:%.*]] = add i32 [[TMP6]], [[TMP3:%.*]]
38; CHECK-NEXT:    store i32 [[TMP7]], i32* @num1, align 4
39; CHECK-NEXT:    store i32 [[TMP5]], i32* @num2, align 4
40; CHECK-NEXT:    [[TMP8:%.*]] = add nsw i32 [[TMP3]], [[TMP0]]
41; CHECK-NEXT:    store i32 [[TMP8]], i32* @num3, align 4
42; CHECK-NEXT:    ret i32 undef
43;
44  %5 = add nsw i32 %0, %1
45  %6 = add nsw i32 %5, %2
46  %7 = add nsw i32 %6, %3
47  store i32 %7, i32* @num1, align 4
48  %8 = add nsw i32 %1, %2
49  store i32 %8, i32* @num2, align 4
50  %9 = add nsw i32 %0, %3
51  store i32 %9, i32* @num3, align 4
52  ret i32 undef
53}
54
55define signext i32 @threePairsAllOpInPairs(i32 signext %0, i32 signext %1, i32 signext %2, i32 signext %3, i32 signext %4, i32 signext %5) {
56; CHECK-LABEL: @threePairsAllOpInPairs(
57; CHECK-NEXT:    [[TMP7:%.*]] = add i32 [[TMP3:%.*]], [[TMP2:%.*]]
58; CHECK-NEXT:    [[TMP8:%.*]] = add i32 [[TMP7]], [[TMP0:%.*]]
59; CHECK-NEXT:    [[TMP9:%.*]] = add i32 [[TMP8]], [[TMP1:%.*]]
60; CHECK-NEXT:    [[TMP10:%.*]] = add i32 [[TMP9]], [[TMP4:%.*]]
61; CHECK-NEXT:    [[TMP11:%.*]] = add i32 [[TMP10]], [[TMP5:%.*]]
62; CHECK-NEXT:    store i32 [[TMP11]], i32* @num1, align 4
63; CHECK-NEXT:    [[TMP12:%.*]] = add nsw i32 [[TMP5]], [[TMP0]]
64; CHECK-NEXT:    store i32 [[TMP12]], i32* @num2, align 4
65; CHECK-NEXT:    [[TMP13:%.*]] = add nsw i32 [[TMP4]], [[TMP1]]
66; CHECK-NEXT:    store i32 [[TMP13]], i32* @num3, align 4
67; CHECK-NEXT:    store i32 [[TMP7]], i32* @num4, align 4
68; CHECK-NEXT:    ret i32 undef
69;
70  %7 = add nsw i32 %0, %1
71  %8 = add nsw i32 %7, %2
72  %9 = add nsw i32 %8, %3
73  %10 = add nsw i32 %9, %4
74  %11 = add nsw i32 %10, %5
75  store i32 %11, i32* @num1, align 4
76  %12 = add nsw i32 %0, %5
77  store i32 %12, i32* @num2, align 4
78  %13 = add nsw i32 %1, %4
79  store i32 %13, i32* @num3, align 4
80  %14 = add nsw i32 %2, %3
81  store i32 %14, i32* @num4, align 4
82  ret i32 undef
83}
84