26 lines
665 B
LLVM
26 lines
665 B
LLVM
; RUN: llc < %s -march=arm64 -aarch64-neon-syntax=apple | FileCheck %s
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;CHECK: @func63
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;CHECK: cmeq.4h v0, v0, v1
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;FIXME: currently, it will generate 3 instructions:
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; ushll.4s v0, v0, #0
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; shl.4s v0, v0, #31
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; sshr.4s v0, v0, #31
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;But these instrucitons can be optimized into 1 instruction:
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; sshll.4s v0, v0, #0
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;CHECK: bsl.16b v0, v2, v3
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;CHECK: str q0, [x0]
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;CHECK: ret
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%T0_63 = type <4 x i16>
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%T1_63 = type <4 x i32>
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%T2_63 = type <4 x i1>
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define void @func63(%T1_63* %out, %T0_63 %v0, %T0_63 %v1, %T1_63 %v2, %T1_63 %v3) {
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%cond = icmp eq %T0_63 %v0, %v1
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%r = select %T2_63 %cond, %T1_63 %v2, %T1_63 %v3
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store %T1_63 %r, %T1_63* %out
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ret void
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}
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