derek.holloway
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37 lines
2.1 KiB
LLVM
37 lines
2.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc -verify-machineinstrs -force-streaming < %s | FileCheck %s
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target triple = "aarch64-linux"
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define {<vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>} @test_luti4_zt_i8(<vscale x 16 x i8> %v0, <vscale x 16 x i8> %v1) #0 {
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; CHECK-LABEL: test_luti4_zt_i8:
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; CHECK: // %bb.0:
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; CHECK-NEXT: luti4 { z0.b - z3.b }, zt0, { z0, z1 }
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; CHECK-NEXT: ret
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%res = call {<vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>} @llvm.aarch64.sme.luti4.zt.x4.nxv16i8(i32 0, <vscale x 16 x i8> %v0, <vscale x 16 x i8> %v1)
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ret {<vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>} %res
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}
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; Tests multiple identical luti4 intrinsics with ZT0 loads interspersed, are not CSD'd.
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define void @test_multiple_luti4_zt_i8(ptr %ptrA, ptr %ptrB, <vscale x 16 x i8> %v0, <vscale x 16 x i8> %v1) #0 {
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; CHECK-LABEL: test_multiple_luti4_zt_i8:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldr zt0, [x0]
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; CHECK-NEXT: luti4 { z4.b - z7.b }, zt0, { z0, z1 }
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; CHECK-NEXT: // fake_use: $z4
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; CHECK-NEXT: ldr zt0, [x1]
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; CHECK-NEXT: luti4 { z0.b - z3.b }, zt0, { z0, z1 }
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; CHECK-NEXT: // fake_use: $z0
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; CHECK-NEXT: ret
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tail call void @llvm.aarch64.sme.ldr.zt(i32 0, ptr %ptrA)
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%res1 = call {<vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>} @llvm.aarch64.sme.luti4.zt.x4.nxv16i8(i32 0, <vscale x 16 x i8> %v0, <vscale x 16 x i8> %v1)
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tail call void @llvm.aarch64.sme.ldr.zt(i32 0, ptr %ptrB)
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%res2 = call {<vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>} @llvm.aarch64.sme.luti4.zt.x4.nxv16i8(i32 0, <vscale x 16 x i8> %v0, <vscale x 16 x i8> %v1)
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call void (...) @llvm.fake.use({ <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } %res1)
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call void (...) @llvm.fake.use({ <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } %res2)
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ret void
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}
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attributes #0 = { "target-features"="+sme2,+sme-lutv2"}
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