xref: /aosp_15_r20/external/llvm/test/CodeGen/PowerPC/swaps-le-4.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu -O3 < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; This test verifies that VSX swap optimization works when an implicit
4*9880d681SAndroid Build Coastguard Worker; subregister is present (in this case, in the XXPERMDI associated with
5*9880d681SAndroid Build Coastguard Worker; the store).
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerdefine void @bar() {
8*9880d681SAndroid Build Coastguard Workerentry:
9*9880d681SAndroid Build Coastguard Worker  %x = alloca <2 x i64>, align 16
10*9880d681SAndroid Build Coastguard Worker  %0 = bitcast <2 x i64>* %x to i8*
11*9880d681SAndroid Build Coastguard Worker  call void @llvm.lifetime.start(i64 16, i8* %0)
12*9880d681SAndroid Build Coastguard Worker  %arrayidx = getelementptr inbounds <2 x i64>, <2 x i64>* %x, i64 0, i64 0
13*9880d681SAndroid Build Coastguard Worker  store <2 x i64> <i64 0, i64 1>, <2 x i64>* %x, align 16
14*9880d681SAndroid Build Coastguard Worker  call void @foo(i64* %arrayidx)
15*9880d681SAndroid Build Coastguard Worker  call void @llvm.lifetime.end(i64 16, i8* %0)
16*9880d681SAndroid Build Coastguard Worker  ret void
17*9880d681SAndroid Build Coastguard Worker}
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @bar
20*9880d681SAndroid Build Coastguard Worker; CHECK: lxvd2x
21*9880d681SAndroid Build Coastguard Worker; CHECK: stxvd2x
22*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: xxswapd
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.lifetime.start(i64, i8* nocapture)
25*9880d681SAndroid Build Coastguard Workerdeclare void @foo(i64*)
26*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.lifetime.end(i64, i8* nocapture)
27*9880d681SAndroid Build Coastguard Worker
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