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
6 define zeroext i1 @opeq(
9 ; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[A:%.*]], align 4
10 ; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[B:%.*]], align 4
11 ; CHECK-NEXT: [[CMP_I:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]]
12 ; CHECK-NEXT: br i1 [[CMP_I]], label [[LAND_RHS_I:%.*]], label [[OPEQ1_EXIT:%.*]]
14 ; CHECK-NEXT: [[SECOND_I:%.*]] = getelementptr inbounds [[S:%.*]], ptr [[A]], i64 0, i32 1
15 ; CHECK-NEXT: [[TMP2:%.*]] = load volatile i32, ptr [[SECOND_I]], align 4
16 ; CHECK-NEXT: [[SECOND2_I:%.*]] = getelementptr inbounds [[S]], ptr [[B]], i64 0, i32 1
17 ; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[SECOND2_I]], align 4
18 ; CHECK-NEXT: [[CMP3_I:%.*]] = icmp eq i32 [[TMP2]], [[TMP3]]
19 ; CHECK-NEXT: br label [[OPEQ1_EXIT]]
21 ; CHECK-NEXT: [[TMP4:%.*]] = phi i1 [ false, [[ENTRY:%.*]] ], [ [[CMP3_I]], [[LAND_RHS_I]] ]
22 ; CHECK-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 %S, ptr %a, i64 0, i32 1
34 %2 = load volatile i32, ptr %second.i, align 4
35 %second2.i = getelementptr inbounds %S, 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 ]