xref: /aosp_15_r20/external/llvm/test/CodeGen/Hexagon/fusedandshift.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=hexagon -hexagon-extract=0 < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; Check that we generate fused logical and with shift instruction.
3*9880d681SAndroid Build Coastguard Worker; Disable "extract" generation, since it may eliminate the and/lsr.
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; CHECK: r{{[0-9]+}} = and(#15, lsr(r{{[0-9]+}}, #{{[0-9]+}})
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerdefine i32 @main(i16* %a, i16* %b) nounwind {
8*9880d681SAndroid Build Coastguard Worker  entry:
9*9880d681SAndroid Build Coastguard Worker  %0 = load i16, i16* %a, align 2
10*9880d681SAndroid Build Coastguard Worker  %conv1 = sext i16 %0 to i32
11*9880d681SAndroid Build Coastguard Worker  %shr1 = ashr i32 %conv1, 3
12*9880d681SAndroid Build Coastguard Worker  %and1 = and i32 %shr1, 15
13*9880d681SAndroid Build Coastguard Worker  %conv2 = trunc i32 %and1 to i16
14*9880d681SAndroid Build Coastguard Worker  store i16 %conv2, i16* %b, align 2
15*9880d681SAndroid Build Coastguard Worker  ret i32 0
16*9880d681SAndroid Build Coastguard Worker}
17*9880d681SAndroid Build Coastguard Worker
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