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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-gnu-linux  < %s | FileCheck %s -check-prefix=PPC64LE
3
4; This tests interaction between MergeICmp and ExpandMemCmp.
5
6%"struct.std::pair" = type { i32, i32 }
7
8define zeroext i1 @opeq1(
9; PPC64LE-LABEL: opeq1:
10; PPC64LE:       # %bb.0: # %entry
11; PPC64LE-NEXT:    ld 3, 0(3)
12; PPC64LE-NEXT:    ld 4, 0(4)
13; PPC64LE-NEXT:    xor 3, 3, 4
14; PPC64LE-NEXT:    cntlzd 3, 3
15; PPC64LE-NEXT:    rldicl 3, 3, 58, 63
16; PPC64LE-NEXT:    blr
17  %"struct.std::pair"* nocapture readonly dereferenceable(8) %a,
18  %"struct.std::pair"* nocapture readonly dereferenceable(8) %b) local_unnamed_addr #0 {
19entry:
20  %first.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %a, i64 0, i32 0
21  %0 = load i32, i32* %first.i, align 4
22  %first1.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %b, i64 0, i32 0
23  %1 = load i32, i32* %first1.i, align 4
24  %cmp.i = icmp eq i32 %0, %1
25  br i1 %cmp.i, label %land.rhs.i, label %opeq1.exit
26
27land.rhs.i:
28  %second.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %a, i64 0, i32 1
29  %2 = load i32, i32* %second.i, align 4
30  %second2.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %b, i64 0, i32 1
31  %3 = load i32, i32* %second2.i, align 4
32  %cmp3.i = icmp eq i32 %2, %3
33  br label %opeq1.exit
34
35opeq1.exit:
36  %4 = phi i1 [ false, %entry ], [ %cmp3.i, %land.rhs.i ]
37  ret i1 %4
38}
39
40
41