xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/sse-commute.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=x86_64-linux < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; Commute the comparison to avoid a move.
4*9880d681SAndroid Build Coastguard Worker; PR7500.
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: a:
7*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: mov
8*9880d681SAndroid Build Coastguard Worker; CHECK:     pcmpeqd
9*9880d681SAndroid Build Coastguard Workerdefine <2 x double> @a(<2 x double>, <2 x double>) nounwind readnone {
10*9880d681SAndroid Build Coastguard Workerentry:
11*9880d681SAndroid Build Coastguard Worker  %tmp6 = bitcast <2 x double> %0 to <4 x i32>    ; <<4 x i32>> [#uses=2]
12*9880d681SAndroid Build Coastguard Worker  %tmp4 = bitcast <2 x double> %1 to <4 x i32>    ; <<4 x i32>> [#uses=1]
13*9880d681SAndroid Build Coastguard Worker  %cmp = icmp eq <4 x i32> %tmp6, %tmp4           ; <<4 x i1>> [#uses=1]
14*9880d681SAndroid Build Coastguard Worker  %sext = sext <4 x i1> %cmp to <4 x i32>         ; <<4 x i32>> [#uses=1]
15*9880d681SAndroid Build Coastguard Worker  %and = and <4 x i32> %tmp6, %sext               ; <<4 x i32>> [#uses=1]
16*9880d681SAndroid Build Coastguard Worker  %tmp8 = bitcast <4 x i32> %and to <2 x double>  ; <<2 x double>> [#uses=1]
17*9880d681SAndroid Build Coastguard Worker  ret <2 x double> %tmp8
18*9880d681SAndroid Build Coastguard Worker}
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Worker
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