xref: /aosp_15_r20/external/llvm/test/CodeGen/AArch64/arm64-volatile.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=arm64 | FileCheck %s
2*9880d681SAndroid Build Coastguard Workerdefine i64 @normal_load(i64* nocapture %bar) nounwind readonly {
3*9880d681SAndroid Build Coastguard Worker; CHECK: normal_load
4*9880d681SAndroid Build Coastguard Worker; CHECK: ldp
5*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: add
6*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret
7*9880d681SAndroid Build Coastguard Worker  %add.ptr = getelementptr inbounds i64, i64* %bar, i64 1
8*9880d681SAndroid Build Coastguard Worker  %tmp = load i64, i64* %add.ptr, align 8
9*9880d681SAndroid Build Coastguard Worker  %add.ptr1 = getelementptr inbounds i64, i64* %bar, i64 2
10*9880d681SAndroid Build Coastguard Worker  %tmp1 = load i64, i64* %add.ptr1, align 8
11*9880d681SAndroid Build Coastguard Worker  %add = add nsw i64 %tmp1, %tmp
12*9880d681SAndroid Build Coastguard Worker  ret i64 %add
13*9880d681SAndroid Build Coastguard Worker}
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerdefine i64 @volatile_load(i64* nocapture %bar) nounwind {
16*9880d681SAndroid Build Coastguard Worker; CHECK: volatile_load
17*9880d681SAndroid Build Coastguard Worker; CHECK: ldr
18*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ldr
19*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: add
20*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret
21*9880d681SAndroid Build Coastguard Worker  %add.ptr = getelementptr inbounds i64, i64* %bar, i64 1
22*9880d681SAndroid Build Coastguard Worker  %tmp = load volatile i64, i64* %add.ptr, align 8
23*9880d681SAndroid Build Coastguard Worker  %add.ptr1 = getelementptr inbounds i64, i64* %bar, i64 2
24*9880d681SAndroid Build Coastguard Worker  %tmp1 = load volatile i64, i64* %add.ptr1, align 8
25*9880d681SAndroid Build Coastguard Worker  %add = add nsw i64 %tmp1, %tmp
26*9880d681SAndroid Build Coastguard Worker  ret i64 %add
27*9880d681SAndroid Build Coastguard Worker}
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