xref: /aosp_15_r20/external/llvm/test/CodeGen/AArch64/bitcast-v2i8.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=aarch64-apple-ios -disable-post-ra | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; Part of PR21549: going through the stack isn't ideal but is correct.
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine i16 @test_bitcast_v2i8_to_i16(<2 x i8> %a) {
6*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test_bitcast_v2i8_to_i16
7*9880d681SAndroid Build Coastguard Worker; CHECK:      mov.s   [[WREG_HI:w[0-9]+]], v0[1]
8*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: fmov    [[WREG_LO:w[0-9]+]], s0
9*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: strb    [[WREG_HI]], [sp, #15]
10*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: strb    [[WREG_LO]], [sp, #14]
11*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ldrh    w0, [sp, #14]
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Worker  %aa = bitcast <2 x i8> %a to i16
14*9880d681SAndroid Build Coastguard Worker  ret i16 %aa
15*9880d681SAndroid Build Coastguard Worker}
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