1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -S -passes=mergeicmps < %s | FileCheck %s
4 target triple = "x86_64-unknown-unknown"
8 define i1 @test(ptr dereferenceable(8) %a, ptr dereferenceable(8) %b) {
10 ; CHECK-NEXT: "entry+land.rhs.i":
11 ; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(ptr [[A:%.*]], ptr [[B:%.*]], i64 8)
12 ; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i32 [[MEMCMP]], 0
13 ; CHECK-NEXT: br label [[OPEQ1_EXIT:%.*]]
15 ; CHECK-NEXT: ret i1 [[TMP0]]
18 %v0 = load i32, ptr %a, align 4
19 %v1 = load i32, ptr %b, align 4
20 %cmp.i = icmp eq i32 %v0, %v1
21 br i1 %cmp.i, label %land.rhs.i, label %opeq1.exit
23 land.rhs.i: ; preds = %entry
24 %second.i = getelementptr inbounds %S, ptr %a, i64 0, i32 1
25 %v2 = load i32, ptr %second.i, align 4
26 %second2.i = getelementptr inbounds %S, ptr %b, i64 0, i32 1
27 %v3 = load i32, ptr %second2.i, align 4
28 %cmp3.i = icmp eq i32 %v2, %v3
31 opeq1.exit: ; preds = %land.rhs.i, %entry
32 %phi = phi i1 [ false, %entry ], [ %cmp3.i, %land.rhs.i ]