xref: /llvm-project/llvm/test/Transforms/MergeICmps/X86/pr36557.ll (revision 9a3e39996320793ec5fe5c6bb4873f82cbc1bbf3)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=mergeicmps -verify-dom-info -mtriple=x86_64-unknown-unknown -S | FileCheck %s --check-prefix=X86
3
4source_filename = "qabstractitemmodeltester.cpp"
5target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
6target triple = "x86_64--linux-gnu"
7
8%class.B = type { i32, i32 }
9%class.D = type { i32 }
10%class.C = type { i8 }
11%class.QMessageLogger = type { i8 }
12
13$_ZN1D7compareI1BS1_EEbRKT_RKT0_PKcS9_S9_i = comdat any
14
15@.str = private unnamed_addr constant [1 x i8] zeroinitializer, align 1
16
17; Function Attrs: uwtable
18define linkonce_odr dso_local zeroext i1 @_ZN1D7compareI1BS1_EEbRKT_RKT0_PKcS9_S9_i(ptr %this, ptr dereferenceable(8) %p1, ptr dereferenceable(8) %p2, ptr, ptr, ptr, i32) local_unnamed_addr #0 comdat align 2 {
19; X86-LABEL: @_ZN1D7compareI1BS1_EEbRKT_RKT0_PKcS9_S9_i(
20; X86-NEXT:  entry:
21; X86-NEXT:    [[REF_TMP:%.*]] = alloca [[CLASS_C:%.*]], align 1
22; X86-NEXT:    [[TMP4:%.*]] = load i32, ptr [[P2:%.*]], align 4
23; X86-NEXT:    [[TMP5:%.*]] = load i32, ptr [[P1:%.*]], align 4
24; X86-NEXT:    [[CMP_ENTRY:%.*]] = icmp eq i32 [[TMP4]], [[TMP5]]
25; X86-NEXT:    br i1 [[CMP_ENTRY]], label [[BB1:%.*]], label [[BB2:%.*]]
26; X86:       bb1:
27; X86-NEXT:    [[M_I:%.*]] = getelementptr inbounds [[CLASS_B:%.*]], ptr [[P2]], i64 0, i32 1
28; X86-NEXT:    [[TMP6:%.*]] = load i32, ptr [[M_I]], align 4
29; X86-NEXT:    [[M3_I:%.*]] = getelementptr inbounds [[CLASS_B]], ptr [[P1]], i64 0, i32 1
30; X86-NEXT:    [[TMP7:%.*]] = load i32, ptr [[M3_I]], align 4
31; X86-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[TMP6]], [[TMP7]]
32; X86-NEXT:    br label [[BB2]]
33; X86:       bb2:
34; X86-NEXT:    [[TMP8:%.*]] = phi i1 [ false, [[ENTRY:%.*]] ], [ [[CMP1]], [[BB1]] ]
35; X86-NEXT:    [[TMP9:%.*]] = load i32, ptr [[THIS:%.*]], align 4
36; X86-NEXT:    [[COND:%.*]] = icmp eq i32 [[TMP9]], 0
37; X86-NEXT:    br i1 [[COND]], label [[BB3:%.*]], label [[SW_EPILOG:%.*]]
38; X86:       bb3:
39; X86-NEXT:    br i1 [[CMP_ENTRY]], label [[BB4:%.*]], label [[BB5:%.*]]
40; X86:       bb4:
41; X86-NEXT:    [[M_I_I:%.*]] = getelementptr inbounds [[CLASS_B]], ptr [[P2]], i64 0, i32 1
42; X86-NEXT:    [[TMP10:%.*]] = load i32, ptr [[M_I_I]], align 4
43; X86-NEXT:    [[M3_I_I:%.*]] = getelementptr inbounds [[CLASS_B]], ptr [[P1]], i64 0, i32 1
44; X86-NEXT:    [[TMP11:%.*]] = load i32, ptr [[M3_I_I]], align 4
45; X86-NEXT:    [[CMP4:%.*]] = icmp eq i32 [[TMP10]], [[TMP11]]
46; X86-NEXT:    br label [[BB5]]
47; X86:       bb5:
48; X86-NEXT:    [[TMP12:%.*]] = phi i1 [ false, [[BB3]] ], [ [[CMP4]], [[BB4]] ]
49; X86-NEXT:    br label [[SW_EPILOG]]
50; X86:       sw.epilog:
51; X86-NEXT:    ret i1 [[TMP8]]
52;
53entry:
54  %ref.tmp = alloca %class.C, align 1
55  %4 = load i32, ptr %p2, align 4
56  %5 = load i32, ptr %p1, align 4
57  %cmp_entry = icmp eq i32 %4, %5
58  br i1 %cmp_entry, label %bb1, label %bb2
59
60bb1:                                       ; preds = %entry
61  %m.i = getelementptr inbounds %class.B, ptr %p2, i64 0, i32 1
62  %6 = load i32, ptr %m.i, align 4
63  %m3.i = getelementptr inbounds %class.B, ptr %p1, i64 0, i32 1
64  %7 = load i32, ptr %m3.i, align 4
65  %cmp1 = icmp eq i32 %6, %7
66  br label %bb2
67
68bb2:                               ; preds = %entry, %bb1
69  %8 = phi i1 [ false, %entry ], [ %cmp1, %bb1 ]
70  %9 = load i32, ptr %this, align 4
71  %cond = icmp eq i32 %9, 0
72  br i1 %cond, label %bb3, label %sw.epilog
73
74bb3:                                            ; preds = %bb2
75  br i1 %cmp_entry, label %bb4, label %bb5
76
77bb4:                                     ; preds = %bb3
78  %m.i.i = getelementptr inbounds %class.B, ptr %p2, i64 0, i32 1
79  %10 = load i32, ptr %m.i.i, align 4
80  %m3.i.i = getelementptr inbounds %class.B, ptr %p1, i64 0, i32 1
81  %11 = load i32, ptr %m3.i.i, align 4
82  %cmp4 = icmp eq i32 %10, %11
83  br label %bb5
84
85bb5:                          ; preds = %bb3, %bb4
86  %12 = phi i1 [ false, %bb3 ], [ %cmp4, %bb4 ]
87  br label %sw.epilog
88
89sw.epilog:                                        ; preds = %bb2
90  ret i1 %8
91}
92
93