1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -passes=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: [[TMP0:%.*]] = load i32, ptr [[A:%.*]], align 4
10 ; NOEXPANSION-NEXT: [[TMP1:%.*]] = load i32, ptr [[B:%.*]], align 4
11 ; NOEXPANSION-NEXT: [[CMP_I:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]]
12 ; NOEXPANSION-NEXT: br i1 [[CMP_I]], label [[LAND_RHS_I:%.*]], label [[OPEQ1_EXIT:%.*]]
13 ; NOEXPANSION: land.rhs.i:
14 ; NOEXPANSION-NEXT: [[SECOND_I:%.*]] = getelementptr inbounds %"struct.std::pair", ptr [[A]], i64 0, i32 1
15 ; NOEXPANSION-NEXT: [[TMP2:%.*]] = load i32, ptr [[SECOND_I]], align 4
16 ; NOEXPANSION-NEXT: [[SECOND2_I:%.*]] = getelementptr inbounds %"struct.std::pair", ptr [[B]], i64 0, i32 1
17 ; NOEXPANSION-NEXT: [[TMP3:%.*]] = load i32, ptr [[SECOND2_I]], align 4
18 ; NOEXPANSION-NEXT: [[CMP3_I:%.*]] = icmp eq i32 [[TMP2]], [[TMP3]]
19 ; NOEXPANSION-NEXT: br label [[OPEQ1_EXIT]]
20 ; NOEXPANSION: opeq1.exit:
21 ; NOEXPANSION-NEXT: [[TMP4:%.*]] = phi i1 [ false, [[ENTRY:%.*]] ], [ [[CMP3_I]], [[LAND_RHS_I]] ]
22 ; NOEXPANSION-NEXT: ret i1 [[TMP4]]
24 ptr nocapture readonly dereferenceable(8) %a,
25 ptr nocapture readonly dereferenceable(8) %b) local_unnamed_addr #0 {
27 %0 = load i32, ptr %a, align 4
28 %1 = load i32, ptr %b, align 4
29 %cmp.i = icmp eq i32 %0, %1
30 br i1 %cmp.i, label %land.rhs.i, label %opeq1.exit
33 %second.i = getelementptr inbounds %"struct.std::pair", ptr %a, i64 0, i32 1
34 %2 = load i32, ptr %second.i, align 4
35 %second2.i = getelementptr inbounds %"struct.std::pair", ptr %b, i64 0, i32 1
36 %3 = load i32, ptr %second2.i, align 4
37 %cmp3.i = icmp eq i32 %2, %3
41 %4 = phi i1 [ false, %entry ], [ %cmp3.i, %land.rhs.i ]
45 ; Same as above, but the two blocks are in inverse order.
46 define zeroext i1 @opeq1_inverse(
47 ; NOEXPANSION-LABEL: @opeq1_inverse(
48 ; NOEXPANSION-NEXT: entry:
49 ; NOEXPANSION-NEXT: [[FIRST_I:%.*]] = getelementptr inbounds %"struct.std::pair", ptr [[A:%.*]], i64 0, i32 1
50 ; NOEXPANSION-NEXT: [[TMP0:%.*]] = load i32, ptr [[FIRST_I]], align 4
51 ; NOEXPANSION-NEXT: [[FIRST1_I:%.*]] = getelementptr inbounds %"struct.std::pair", ptr [[B:%.*]], i64 0, i32 1
52 ; NOEXPANSION-NEXT: [[TMP1:%.*]] = load i32, ptr [[FIRST1_I]], align 4
53 ; NOEXPANSION-NEXT: [[CMP_I:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]]
54 ; NOEXPANSION-NEXT: br i1 [[CMP_I]], label [[LAND_RHS_I:%.*]], label [[OPEQ1_EXIT:%.*]]
55 ; NOEXPANSION: land.rhs.i:
56 ; NOEXPANSION-NEXT: [[TMP2:%.*]] = load i32, ptr [[A]], align 4
57 ; NOEXPANSION-NEXT: [[TMP3:%.*]] = load i32, ptr [[B]], align 4
58 ; NOEXPANSION-NEXT: [[CMP3_I:%.*]] = icmp eq i32 [[TMP2]], [[TMP3]]
59 ; NOEXPANSION-NEXT: br label [[OPEQ1_EXIT]]
60 ; NOEXPANSION: opeq1.exit:
61 ; NOEXPANSION-NEXT: [[TMP4:%.*]] = phi i1 [ false, [[ENTRY:%.*]] ], [ [[CMP3_I]], [[LAND_RHS_I]] ]
62 ; NOEXPANSION-NEXT: ret i1 [[TMP4]]
64 ptr nocapture readonly dereferenceable(8) %a,
65 ptr nocapture readonly dereferenceable(8) %b) local_unnamed_addr #0 {
67 %first.i = getelementptr inbounds %"struct.std::pair", ptr %a, i64 0, i32 1
68 %0 = load i32, ptr %first.i, align 4
69 %first1.i = getelementptr inbounds %"struct.std::pair", ptr %b, i64 0, i32 1
70 %1 = load i32, ptr %first1.i, align 4
71 %cmp.i = icmp eq i32 %0, %1
72 br i1 %cmp.i, label %land.rhs.i, label %opeq1.exit
75 %2 = load i32, ptr %a, align 4
76 %3 = load i32, ptr %b, align 4
77 %cmp3.i = icmp eq i32 %2, %3
81 %4 = phi i1 [ false, %entry ], [ %cmp3.i, %land.rhs.i ]