xref: /aosp_15_r20/external/llvm/test/Transforms/GVN/load-metadata.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -S -gvn < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdefine i32 @test1(i32* %p, i1 %C) {
4*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test1(
5*9880d681SAndroid Build Coastguard Workerblock1:
6*9880d681SAndroid Build Coastguard Worker	br i1 %C, label %block2, label %block3
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerblock2:
9*9880d681SAndroid Build Coastguard Worker br label %block4
10*9880d681SAndroid Build Coastguard Worker; CHECK: block2:
11*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: load i32, i32* %p, !range !0, !invariant.group !1
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workerblock3:
14*9880d681SAndroid Build Coastguard Worker  store i32 0, i32* %p
15*9880d681SAndroid Build Coastguard Worker  br label %block4
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Workerblock4:
18*9880d681SAndroid Build Coastguard Worker  %PRE = load i32, i32* %p, !range !0, !invariant.group !1
19*9880d681SAndroid Build Coastguard Worker  ret i32 %PRE
20*9880d681SAndroid Build Coastguard Worker}
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Worker!0 = !{i32 40, i32 100}
24*9880d681SAndroid Build Coastguard Worker!1 = !{!"magic ptr"}
25