llvm-project/llvm/test/CodeGen/AArch64/sve-vector-compress.ll
Sander de Smalen 61510b51c3 Revert "[AArch64] Enable subreg liveness tracking by default."
This reverts commit 9c319d5bb40785c969d2af76535ca62448dfafa7.

Some issues were discovered with the bootstrap builds, which
seem like they were caused by this commit. I'm reverting to investigate.
2024-12-12 17:22:15 +00:00

277 lines
12 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; RUN: llc -mtriple=aarch64 -mattr=+sve < %s | FileCheck %s
define <vscale x 2 x i8> @test_compress_nxv2i8(<vscale x 2 x i8> %vec, <vscale x 2 x i1> %mask) {
; CHECK-LABEL: test_compress_nxv2i8:
; CHECK: // %bb.0:
; CHECK-NEXT: compact z0.d, p0, z0.d
; CHECK-NEXT: ret
%out = call <vscale x 2 x i8> @llvm.experimental.vector.compress(<vscale x 2 x i8> %vec, <vscale x 2 x i1> %mask, <vscale x 2 x i8> undef)
ret <vscale x 2 x i8> %out
}
define <vscale x 2 x i16> @test_compress_nxv2i16(<vscale x 2 x i16> %vec, <vscale x 2 x i1> %mask) {
; CHECK-LABEL: test_compress_nxv2i16:
; CHECK: // %bb.0:
; CHECK-NEXT: compact z0.d, p0, z0.d
; CHECK-NEXT: ret
%out = call <vscale x 2 x i16> @llvm.experimental.vector.compress(<vscale x 2 x i16> %vec, <vscale x 2 x i1> %mask, <vscale x 2 x i16> undef)
ret <vscale x 2 x i16> %out
}
define <vscale x 2 x i32> @test_compress_nxv2i32(<vscale x 2 x i32> %vec, <vscale x 2 x i1> %mask) {
; CHECK-LABEL: test_compress_nxv2i32:
; CHECK: // %bb.0:
; CHECK-NEXT: compact z0.d, p0, z0.d
; CHECK-NEXT: ret
%out = call <vscale x 2 x i32> @llvm.experimental.vector.compress(<vscale x 2 x i32> %vec, <vscale x 2 x i1> %mask, <vscale x 2 x i32> undef)
ret <vscale x 2 x i32> %out
}
define <vscale x 2 x i64> @test_compress_nxv2i64(<vscale x 2 x i64> %vec, <vscale x 2 x i1> %mask) {
; CHECK-LABEL: test_compress_nxv2i64:
; CHECK: // %bb.0:
; CHECK-NEXT: compact z0.d, p0, z0.d
; CHECK-NEXT: ret
%out = call <vscale x 2 x i64> @llvm.experimental.vector.compress(<vscale x 2 x i64> %vec, <vscale x 2 x i1> %mask, <vscale x 2 x i64> undef)
ret <vscale x 2 x i64> %out
}
define <vscale x 2 x float> @test_compress_nxv2f32(<vscale x 2 x float> %vec, <vscale x 2 x i1> %mask) {
; CHECK-LABEL: test_compress_nxv2f32:
; CHECK: // %bb.0:
; CHECK-NEXT: compact z0.d, p0, z0.d
; CHECK-NEXT: ret
%out = call <vscale x 2 x float> @llvm.experimental.vector.compress(<vscale x 2 x float> %vec, <vscale x 2 x i1> %mask, <vscale x 2 x float> undef)
ret <vscale x 2 x float> %out
}
define <vscale x 2 x double> @test_compress_nxv2f64(<vscale x 2 x double> %vec, <vscale x 2 x i1> %mask) {
; CHECK-LABEL: test_compress_nxv2f64:
; CHECK: // %bb.0:
; CHECK-NEXT: compact z0.d, p0, z0.d
; CHECK-NEXT: ret
%out = call <vscale x 2 x double> @llvm.experimental.vector.compress(<vscale x 2 x double> %vec, <vscale x 2 x i1> %mask, <vscale x 2 x double> undef)
ret <vscale x 2 x double> %out
}
define <vscale x 4 x i8> @test_compress_nxv4i8(<vscale x 4 x i8> %vec, <vscale x 4 x i1> %mask) {
; CHECK-LABEL: test_compress_nxv4i8:
; CHECK: // %bb.0:
; CHECK-NEXT: compact z0.s, p0, z0.s
; CHECK-NEXT: ret
%out = call <vscale x 4 x i8> @llvm.experimental.vector.compress(<vscale x 4 x i8> %vec, <vscale x 4 x i1> %mask, <vscale x 4 x i8> undef)
ret <vscale x 4 x i8> %out
}
define <vscale x 4 x i16> @test_compress_nxv4i16(<vscale x 4 x i16> %vec, <vscale x 4 x i1> %mask) {
; CHECK-LABEL: test_compress_nxv4i16:
; CHECK: // %bb.0:
; CHECK-NEXT: compact z0.s, p0, z0.s
; CHECK-NEXT: ret
%out = call <vscale x 4 x i16> @llvm.experimental.vector.compress(<vscale x 4 x i16> %vec, <vscale x 4 x i1> %mask, <vscale x 4 x i16> undef)
ret <vscale x 4 x i16> %out
}
define <vscale x 4 x i32> @test_compress_nxv4i32(<vscale x 4 x i32> %vec, <vscale x 4 x i1> %mask) {
; CHECK-LABEL: test_compress_nxv4i32:
; CHECK: // %bb.0:
; CHECK-NEXT: compact z0.s, p0, z0.s
; CHECK-NEXT: ret
%out = call <vscale x 4 x i32> @llvm.experimental.vector.compress(<vscale x 4 x i32> %vec, <vscale x 4 x i1> %mask, <vscale x 4 x i32> undef)
ret <vscale x 4 x i32> %out
}
define <vscale x 4 x float> @test_compress_nxv4f32(<vscale x 4 x float> %vec, <vscale x 4 x i1> %mask) {
; CHECK-LABEL: test_compress_nxv4f32:
; CHECK: // %bb.0:
; CHECK-NEXT: compact z0.s, p0, z0.s
; CHECK-NEXT: ret
%out = call <vscale x 4 x float> @llvm.experimental.vector.compress(<vscale x 4 x float> %vec, <vscale x 4 x i1> %mask, <vscale x 4 x float> undef)
ret <vscale x 4 x float> %out
}
define <vscale x 4 x i4> @test_compress_illegal_element_type(<vscale x 4 x i4> %vec, <vscale x 4 x i1> %mask) {
; CHECK-LABEL: test_compress_illegal_element_type:
; CHECK: // %bb.0:
; CHECK-NEXT: compact z0.s, p0, z0.s
; CHECK-NEXT: ret
%out = call <vscale x 4 x i4> @llvm.experimental.vector.compress(<vscale x 4 x i4> %vec, <vscale x 4 x i1> %mask, <vscale x 4 x i4> undef)
ret <vscale x 4 x i4> %out
}
define <vscale x 8 x i32> @test_compress_large(<vscale x 8 x i32> %vec, <vscale x 8 x i1> %mask) {
; CHECK-LABEL: test_compress_large:
; CHECK: // %bb.0:
; CHECK-NEXT: str x29, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: addvl sp, sp, #-2
; CHECK-NEXT: .cfi_escape 0x0f, 0x0c, 0x8f, 0x00, 0x11, 0x10, 0x22, 0x11, 0x10, 0x92, 0x2e, 0x00, 0x1e, 0x22 // sp + 16 + 16 * VG
; CHECK-NEXT: .cfi_offset w29, -16
; CHECK-NEXT: punpklo p2.h, p0.b
; CHECK-NEXT: cnth x9
; CHECK-NEXT: ptrue p1.s
; CHECK-NEXT: sub x9, x9, #1
; CHECK-NEXT: punpkhi p0.h, p0.b
; CHECK-NEXT: compact z0.s, p2, z0.s
; CHECK-NEXT: cntp x8, p1, p2.s
; CHECK-NEXT: compact z1.s, p0, z1.s
; CHECK-NEXT: st1w { z0.s }, p1, [sp]
; CHECK-NEXT: mov w8, w8
; CHECK-NEXT: cmp x8, x9
; CHECK-NEXT: csel x8, x8, x9, lo
; CHECK-NEXT: mov x9, sp
; CHECK-NEXT: st1w { z1.s }, p1, [x9, x8, lsl #2]
; CHECK-NEXT: ld1w { z0.s }, p1/z, [sp]
; CHECK-NEXT: ld1w { z1.s }, p1/z, [sp, #1, mul vl]
; CHECK-NEXT: addvl sp, sp, #2
; CHECK-NEXT: ldr x29, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: ret
%out = call <vscale x 8 x i32> @llvm.experimental.vector.compress(<vscale x 8 x i32> %vec, <vscale x 8 x i1> %mask, <vscale x 8 x i32> undef)
ret <vscale x 8 x i32> %out
}
; We pass a placeholder value for the const_mask* tests to check that they are converted to a no-op by simply copying
; the second vector input register to the ret register or doing nothing.
define <vscale x 4 x i32> @test_compress_const_splat1_mask(<vscale x 4 x i32> %ignore, <vscale x 4 x i32> %vec) {
; CHECK-LABEL: test_compress_const_splat1_mask:
; CHECK: // %bb.0:
; CHECK-NEXT: mov z0.d, z1.d
; CHECK-NEXT: ret
%out = call <vscale x 4 x i32> @llvm.experimental.vector.compress(<vscale x 4 x i32> %vec, <vscale x 4 x i1> splat (i1 -1), <vscale x 4 x i32> undef)
ret <vscale x 4 x i32> %out
}
define <vscale x 4 x i32> @test_compress_const_splat0_mask(<vscale x 4 x i32> %ignore, <vscale x 4 x i32> %vec) {
; CHECK-LABEL: test_compress_const_splat0_mask:
; CHECK: // %bb.0:
; CHECK-NEXT: ret
%out = call <vscale x 4 x i32> @llvm.experimental.vector.compress(<vscale x 4 x i32> %vec, <vscale x 4 x i1> splat (i1 0), <vscale x 4 x i32> undef)
ret <vscale x 4 x i32> %out
}
define <vscale x 4 x i32> @test_compress_undef_mask(<vscale x 4 x i32> %ignore, <vscale x 4 x i32> %vec) {
; CHECK-LABEL: test_compress_undef_mask:
; CHECK: // %bb.0:
; CHECK-NEXT: ret
%out = call <vscale x 4 x i32> @llvm.experimental.vector.compress(<vscale x 4 x i32> %vec, <vscale x 4 x i1> undef, <vscale x 4 x i32> undef)
ret <vscale x 4 x i32> %out
}
define <4 x i32> @test_compress_v4i32_with_sve(<4 x i32> %vec, <4 x i1> %mask) {
; CHECK-LABEL: test_compress_v4i32_with_sve:
; CHECK: // %bb.0:
; CHECK-NEXT: ushll v1.4s, v1.4h, #0
; CHECK-NEXT: ptrue p0.s
; CHECK-NEXT: // kill: def $q0 killed $q0 def $z0
; CHECK-NEXT: shl v1.4s, v1.4s, #31
; CHECK-NEXT: cmlt v1.4s, v1.4s, #0
; CHECK-NEXT: and z1.s, z1.s, #0x1
; CHECK-NEXT: cmpne p0.s, p0/z, z1.s, #0
; CHECK-NEXT: compact z0.s, p0, z0.s
; CHECK-NEXT: // kill: def $q0 killed $q0 killed $z0
; CHECK-NEXT: ret
%out = call <4 x i32> @llvm.experimental.vector.compress(<4 x i32> %vec, <4 x i1> %mask, <4 x i32> undef)
ret <4 x i32> %out
}
define <1 x i32> @test_compress_v1i32_with_sve(<1 x i32> %vec, <1 x i1> %mask) {
; CHECK-LABEL: test_compress_v1i32_with_sve:
; CHECK: // %bb.0:
; CHECK-NEXT: movi v1.2d, #0000000000000000
; CHECK-NEXT: sbfx w8, w0, #0, #1
; CHECK-NEXT: ptrue p0.d
; CHECK-NEXT: ushll v0.2d, v0.2s, #0
; CHECK-NEXT: mov v1.s[0], w8
; CHECK-NEXT: ushll v1.2d, v1.2s, #0
; CHECK-NEXT: and z1.d, z1.d, #0x1
; CHECK-NEXT: cmpne p0.d, p0/z, z1.d, #0
; CHECK-NEXT: compact z0.d, p0, z0.d
; CHECK-NEXT: xtn v0.2s, v0.2d
; CHECK-NEXT: ret
%out = call <1 x i32> @llvm.experimental.vector.compress(<1 x i32> %vec, <1 x i1> %mask, <1 x i32> undef)
ret <1 x i32> %out
}
define <4 x double> @test_compress_v4f64_with_sve(<4 x double> %vec, <4 x i1> %mask) {
; CHECK-LABEL: test_compress_v4f64_with_sve:
; CHECK: // %bb.0:
; CHECK-NEXT: sub sp, sp, #32
; CHECK-NEXT: .cfi_def_cfa_offset 32
; CHECK-NEXT: ushll v2.4s, v2.4h, #0
; CHECK-NEXT: ptrue p0.d
; CHECK-NEXT: // kill: def $q0 killed $q0 def $z0
; CHECK-NEXT: // kill: def $q1 killed $q1 def $z1
; CHECK-NEXT: ushll v3.2d, v2.2s, #0
; CHECK-NEXT: ushll2 v4.2d, v2.4s, #0
; CHECK-NEXT: fmov x8, d2
; CHECK-NEXT: shl v3.2d, v3.2d, #63
; CHECK-NEXT: shl v4.2d, v4.2d, #63
; CHECK-NEXT: lsr x9, x8, #32
; CHECK-NEXT: eor w8, w8, w9
; CHECK-NEXT: mov x9, sp
; CHECK-NEXT: cmlt v3.2d, v3.2d, #0
; CHECK-NEXT: cmlt v4.2d, v4.2d, #0
; CHECK-NEXT: and x8, x8, #0x3
; CHECK-NEXT: lsl x8, x8, #3
; CHECK-NEXT: and z3.d, z3.d, #0x1
; CHECK-NEXT: and z4.d, z4.d, #0x1
; CHECK-NEXT: cmpne p1.d, p0/z, z3.d, #0
; CHECK-NEXT: cmpne p0.d, p0/z, z4.d, #0
; CHECK-NEXT: compact z0.d, p1, z0.d
; CHECK-NEXT: compact z1.d, p0, z1.d
; CHECK-NEXT: str q0, [sp]
; CHECK-NEXT: str q1, [x9, x8]
; CHECK-NEXT: ldp q0, q1, [sp], #32
; CHECK-NEXT: ret
%out = call <4 x double> @llvm.experimental.vector.compress(<4 x double> %vec, <4 x i1> %mask, <4 x double> undef)
ret <4 x double> %out
}
define <2 x i16> @test_compress_v2i16_with_sve(<2 x i16> %vec, <2 x i1> %mask) {
; CHECK-LABEL: test_compress_v2i16_with_sve:
; CHECK: // %bb.0:
; CHECK-NEXT: ushll v1.2d, v1.2s, #0
; CHECK-NEXT: ptrue p0.d
; CHECK-NEXT: ushll v0.2d, v0.2s, #0
; CHECK-NEXT: and z1.d, z1.d, #0x1
; CHECK-NEXT: cmpne p0.d, p0/z, z1.d, #0
; CHECK-NEXT: compact z0.d, p0, z0.d
; CHECK-NEXT: xtn v0.2s, v0.2d
; CHECK-NEXT: ret
%out = call <2 x i16> @llvm.experimental.vector.compress(<2 x i16> %vec, <2 x i1> %mask, <2 x i16> undef)
ret <2 x i16> %out
}
define <vscale x 4 x i32> @test_compress_nxv4i32_with_passthru(<vscale x 4 x i32> %vec, <vscale x 4 x i1> %mask, <vscale x 4 x i32> %passthru) {
; CHECK-LABEL: test_compress_nxv4i32_with_passthru:
; CHECK: // %bb.0:
; CHECK-NEXT: cntp x8, p0, p0.s
; CHECK-NEXT: compact z0.s, p0, z0.s
; CHECK-NEXT: whilelo p0.s, xzr, x8
; CHECK-NEXT: sel z0.s, p0, z0.s, z1.s
; CHECK-NEXT: ret
%out = call <vscale x 4 x i32> @llvm.experimental.vector.compress(<vscale x 4 x i32> %vec, <vscale x 4 x i1> %mask, <vscale x 4 x i32> %passthru)
ret <vscale x 4 x i32> %out
}
define <vscale x 4 x i32> @test_compress_nxv4i32_with_zero_passthru(<vscale x 4 x i32> %vec, <vscale x 4 x i1> %mask) {
; CHECK-LABEL: test_compress_nxv4i32_with_zero_passthru:
; CHECK: // %bb.0:
; CHECK-NEXT: compact z0.s, p0, z0.s
; CHECK-NEXT: ret
%out = call <vscale x 4 x i32> @llvm.experimental.vector.compress(<vscale x 4 x i32> %vec, <vscale x 4 x i1> %mask, <vscale x 4 x i32> splat(i32 0))
ret <vscale x 4 x i32> %out
}
define <vscale x 4 x i32> @test_compress_nxv4i32_with_const_passthru(<vscale x 4 x i32> %vec, <vscale x 4 x i1> %mask) {
; CHECK-LABEL: test_compress_nxv4i32_with_const_passthru:
; CHECK: // %bb.0:
; CHECK-NEXT: cntp x8, p0, p0.s
; CHECK-NEXT: compact z0.s, p0, z0.s
; CHECK-NEXT: mov z1.s, #5 // =0x5
; CHECK-NEXT: whilelo p0.s, xzr, x8
; CHECK-NEXT: sel z0.s, p0, z0.s, z1.s
; CHECK-NEXT: ret
%out = call <vscale x 4 x i32> @llvm.experimental.vector.compress(<vscale x 4 x i32> %vec, <vscale x 4 x i1> %mask, <vscale x 4 x i32> splat(i32 5))
ret <vscale x 4 x i32> %out
}