1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -mergeicmps -S | FileCheck %s --check-prefix=NOEXPANSION
4 %"struct.std::pair" = type { i32, i32 }
6 define zeroext i1 @opeq1(
7 ; NOEXPANSION-LABEL: @opeq1(
8 ; NOEXPANSION-NEXT: entry:
9 ; NOEXPANSION-NEXT: [[FIRST_I:%.*]] = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* [[A:%.*]], i64 0, i32 0
10 ; NOEXPANSION-NEXT: [[TMP0:%.*]] = load i32, i32* [[FIRST_I]], align 4
11 ; NOEXPANSION-NEXT: [[FIRST1_I:%.*]] = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* [[B:%.*]], i64 0, i32 0
12 ; NOEXPANSION-NEXT: [[TMP1:%.*]] = load i32, i32* [[FIRST1_I]], align 4
13 ; NOEXPANSION-NEXT: [[CMP_I:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]]
14 ; NOEXPANSION-NEXT: br i1 [[CMP_I]], label [[LAND_RHS_I:%.*]], label [[OPEQ1_EXIT:%.*]]
15 ; NOEXPANSION: land.rhs.i:
16 ; NOEXPANSION-NEXT: [[SECOND_I:%.*]] = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* [[A]], i64 0, i32 1
17 ; NOEXPANSION-NEXT: [[TMP2:%.*]] = load i32, i32* [[SECOND_I]], align 4
18 ; NOEXPANSION-NEXT: [[SECOND2_I:%.*]] = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* [[B]], i64 0, i32 1
19 ; NOEXPANSION-NEXT: [[TMP3:%.*]] = load i32, i32* [[SECOND2_I]], align 4
20 ; NOEXPANSION-NEXT: [[CMP3_I:%.*]] = icmp eq i32 [[TMP2]], [[TMP3]]
21 ; NOEXPANSION-NEXT: br label [[OPEQ1_EXIT]]
22 ; NOEXPANSION: opeq1.exit:
23 ; NOEXPANSION-NEXT: [[TMP4:%.*]] = phi i1 [ false, [[ENTRY:%.*]] ], [ [[CMP3_I]], [[LAND_RHS_I]] ]
24 ; NOEXPANSION-NEXT: ret i1 [[TMP4]]
26 %"struct.std::pair"* nocapture readonly dereferenceable(8) %a,
27 %"struct.std::pair"* nocapture readonly dereferenceable(8) %b) local_unnamed_addr #0 {
29 %first.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %a, i64 0, i32 0
30 %0 = load i32, i32* %first.i, align 4
31 %first1.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %b, i64 0, i32 0
32 %1 = load i32, i32* %first1.i, align 4
33 %cmp.i = icmp eq i32 %0, %1
34 br i1 %cmp.i, label %land.rhs.i, label %opeq1.exit
37 %second.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %a, i64 0, i32 1
38 %2 = load i32, i32* %second.i, align 4
39 %second2.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %b, i64 0, i32 1
40 %3 = load i32, i32* %second2.i, align 4
41 %cmp3.i = icmp eq i32 %2, %3
45 %4 = phi i1 [ false, %entry ], [ %cmp3.i, %land.rhs.i ]
49 ; Same as above, but the two blocks are in inverse order.
50 define zeroext i1 @opeq1_inverse(
51 ; NOEXPANSION-LABEL: @opeq1_inverse(
52 ; NOEXPANSION-NEXT: entry:
53 ; NOEXPANSION-NEXT: [[FIRST_I:%.*]] = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* [[A:%.*]], i64 0, i32 1
54 ; NOEXPANSION-NEXT: [[TMP0:%.*]] = load i32, i32* [[FIRST_I]], align 4
55 ; NOEXPANSION-NEXT: [[FIRST1_I:%.*]] = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* [[B:%.*]], i64 0, i32 1
56 ; NOEXPANSION-NEXT: [[TMP1:%.*]] = load i32, i32* [[FIRST1_I]], align 4
57 ; NOEXPANSION-NEXT: [[CMP_I:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]]
58 ; NOEXPANSION-NEXT: br i1 [[CMP_I]], label [[LAND_RHS_I:%.*]], label [[OPEQ1_EXIT:%.*]]
59 ; NOEXPANSION: land.rhs.i:
60 ; NOEXPANSION-NEXT: [[SECOND_I:%.*]] = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* [[A]], i64 0, i32 0
61 ; NOEXPANSION-NEXT: [[TMP2:%.*]] = load i32, i32* [[SECOND_I]], align 4
62 ; NOEXPANSION-NEXT: [[SECOND2_I:%.*]] = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* [[B]], i64 0, i32 0
63 ; NOEXPANSION-NEXT: [[TMP3:%.*]] = load i32, i32* [[SECOND2_I]], align 4
64 ; NOEXPANSION-NEXT: [[CMP3_I:%.*]] = icmp eq i32 [[TMP2]], [[TMP3]]
65 ; NOEXPANSION-NEXT: br label [[OPEQ1_EXIT]]
66 ; NOEXPANSION: opeq1.exit:
67 ; NOEXPANSION-NEXT: [[TMP4:%.*]] = phi i1 [ false, [[ENTRY:%.*]] ], [ [[CMP3_I]], [[LAND_RHS_I]] ]
68 ; NOEXPANSION-NEXT: ret i1 [[TMP4]]
70 %"struct.std::pair"* nocapture readonly dereferenceable(8) %a,
71 %"struct.std::pair"* nocapture readonly dereferenceable(8) %b) local_unnamed_addr #0 {
73 %first.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %a, i64 0, i32 1
74 %0 = load i32, i32* %first.i, align 4
75 %first1.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %b, i64 0, i32 1
76 %1 = load i32, i32* %first1.i, align 4
77 %cmp.i = icmp eq i32 %0, %1
78 br i1 %cmp.i, label %land.rhs.i, label %opeq1.exit
81 %second.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %a, i64 0, i32 0
82 %2 = load i32, i32* %second.i, align 4
83 %second2.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %b, i64 0, i32 0
84 %3 = load i32, i32* %second2.i, align 4
85 %cmp3.i = icmp eq i32 %2, %3
89 %4 = phi i1 [ false, %entry ], [ %cmp3.i, %land.rhs.i ]