xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/and-load-fold.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=generic < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; Verify that the DAGCombiner doesn't wrongly remove the 'and' from the dag.
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine i8 @foo(<4 x i8>* %V) {
6*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: foo:
7*9880d681SAndroid Build Coastguard Worker; CHECK: pand
8*9880d681SAndroid Build Coastguard Worker; CHECK: ret
9*9880d681SAndroid Build Coastguard Workerentry:
10*9880d681SAndroid Build Coastguard Worker  %Vp = bitcast <4 x i8>* %V to <3 x i8>*
11*9880d681SAndroid Build Coastguard Worker  %V3i8 = load <3 x i8>, <3 x i8>* %Vp, align 4
12*9880d681SAndroid Build Coastguard Worker  %0 = and <3 x i8> %V3i8, <i8 undef, i8 undef, i8 95>
13*9880d681SAndroid Build Coastguard Worker  %1 = extractelement <3 x i8> %0, i64 2
14*9880d681SAndroid Build Coastguard Worker  ret i8 %1
15*9880d681SAndroid Build Coastguard Worker}
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