181 lines
6.4 KiB
LLVM
181 lines
6.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mattr=+simd128 | FileCheck %s
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;; Test that SIMD widening operations can be successfully selected
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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define <8 x i16> @widen_low_i8x16_s(<16 x i8> %v) {
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; CHECK-LABEL: widen_low_i8x16_s:
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; CHECK: .functype widen_low_i8x16_s (v128) -> (v128)
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; CHECK-NEXT: # %bb.0:
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i16x8.widen_low_i8x16_s
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; CHECK-NEXT: # fallthrough-return
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%low = shufflevector <16 x i8> %v, <16 x i8> undef,
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<8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
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%widened = sext <8 x i8> %low to <8 x i16>
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ret <8 x i16> %widened
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}
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define <8 x i16> @widen_low_i8x16_u(<16 x i8> %v) {
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; CHECK-LABEL: widen_low_i8x16_u:
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; CHECK: .functype widen_low_i8x16_u (v128) -> (v128)
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; CHECK-NEXT: # %bb.0:
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i16x8.widen_low_i8x16_u
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; CHECK-NEXT: # fallthrough-return
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%low = shufflevector <16 x i8> %v, <16 x i8> undef,
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<8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
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%widened = zext <8 x i8> %low to <8 x i16>
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ret <8 x i16> %widened
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}
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define <8 x i16> @widen_high_i8x16_s(<16 x i8> %v) {
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; CHECK-LABEL: widen_high_i8x16_s:
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; CHECK: .functype widen_high_i8x16_s (v128) -> (v128)
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; CHECK-NEXT: # %bb.0:
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i16x8.widen_high_i8x16_s
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; CHECK-NEXT: # fallthrough-return
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%low = shufflevector <16 x i8> %v, <16 x i8> undef,
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<8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
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%widened = sext <8 x i8> %low to <8 x i16>
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ret <8 x i16> %widened
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}
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define <8 x i16> @widen_high_i8x16_u(<16 x i8> %v) {
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; CHECK-LABEL: widen_high_i8x16_u:
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; CHECK: .functype widen_high_i8x16_u (v128) -> (v128)
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; CHECK-NEXT: # %bb.0:
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i16x8.widen_high_i8x16_u
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; CHECK-NEXT: # fallthrough-return
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%low = shufflevector <16 x i8> %v, <16 x i8> undef,
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<8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
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%widened = zext <8 x i8> %low to <8 x i16>
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ret <8 x i16> %widened
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}
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define <4 x i32> @widen_low_i16x8_s(<8 x i16> %v) {
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; CHECK-LABEL: widen_low_i16x8_s:
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; CHECK: .functype widen_low_i16x8_s (v128) -> (v128)
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; CHECK-NEXT: # %bb.0:
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i32x4.widen_low_i16x8_s
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; CHECK-NEXT: # fallthrough-return
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%low = shufflevector <8 x i16> %v, <8 x i16> undef,
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<4 x i32> <i32 0, i32 1, i32 2, i32 3>
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%widened = sext <4 x i16> %low to <4 x i32>
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ret <4 x i32> %widened
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}
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define <4 x i32> @widen_low_i16x8_u(<8 x i16> %v) {
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; CHECK-LABEL: widen_low_i16x8_u:
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; CHECK: .functype widen_low_i16x8_u (v128) -> (v128)
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; CHECK-NEXT: # %bb.0:
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i32x4.widen_low_i16x8_u
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; CHECK-NEXT: # fallthrough-return
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%low = shufflevector <8 x i16> %v, <8 x i16> undef,
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<4 x i32> <i32 0, i32 1, i32 2, i32 3>
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%widened = zext <4 x i16> %low to <4 x i32>
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ret <4 x i32> %widened
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}
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define <4 x i32> @widen_high_i16x8_s(<8 x i16> %v) {
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; CHECK-LABEL: widen_high_i16x8_s:
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; CHECK: .functype widen_high_i16x8_s (v128) -> (v128)
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; CHECK-NEXT: # %bb.0:
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i32x4.widen_high_i16x8_s
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; CHECK-NEXT: # fallthrough-return
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%low = shufflevector <8 x i16> %v, <8 x i16> undef,
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<4 x i32> <i32 4, i32 5, i32 6, i32 7>
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%widened = sext <4 x i16> %low to <4 x i32>
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ret <4 x i32> %widened
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}
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define <4 x i32> @widen_high_i16x8_u(<8 x i16> %v) {
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; CHECK-LABEL: widen_high_i16x8_u:
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; CHECK: .functype widen_high_i16x8_u (v128) -> (v128)
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; CHECK-NEXT: # %bb.0:
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i32x4.widen_high_i16x8_u
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; CHECK-NEXT: # fallthrough-return
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%low = shufflevector <8 x i16> %v, <8 x i16> undef,
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<4 x i32> <i32 4, i32 5, i32 6, i32 7>
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%widened = zext <4 x i16> %low to <4 x i32>
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ret <4 x i32> %widened
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}
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;; Also test that similar patterns with offsets not corresponding to
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;; the low or high half are correctly expanded.
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define <8 x i16> @widen_lowish_i8x16_s(<16 x i8> %v) {
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; CHECK-LABEL: widen_lowish_i8x16_s:
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; CHECK: .functype widen_lowish_i8x16_s (v128) -> (v128)
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; CHECK-NEXT: # %bb.0:
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i8x16.extract_lane_u 1
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; CHECK-NEXT: i16x8.splat
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i8x16.extract_lane_u 2
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; CHECK-NEXT: i16x8.replace_lane 1
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i8x16.extract_lane_u 3
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; CHECK-NEXT: i16x8.replace_lane 2
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i8x16.extract_lane_u 4
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; CHECK-NEXT: i16x8.replace_lane 3
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i8x16.extract_lane_u 5
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; CHECK-NEXT: i16x8.replace_lane 4
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i8x16.extract_lane_u 6
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; CHECK-NEXT: i16x8.replace_lane 5
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i8x16.extract_lane_u 7
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; CHECK-NEXT: i16x8.replace_lane 6
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i8x16.extract_lane_u 8
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; CHECK-NEXT: i16x8.replace_lane 7
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; CHECK-NEXT: i32.const 8
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; CHECK-NEXT: i16x8.shl
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; CHECK-NEXT: i32.const 8
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; CHECK-NEXT: i16x8.shr_s
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; CHECK-NEXT: # fallthrough-return
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%lowish = shufflevector <16 x i8> %v, <16 x i8> undef,
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<8 x i32> <i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8>
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%widened = sext <8 x i8> %lowish to <8 x i16>
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ret <8 x i16> %widened
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}
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define <4 x i32> @widen_lowish_i16x8_s(<8 x i16> %v) {
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; CHECK-LABEL: widen_lowish_i16x8_s:
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; CHECK: .functype widen_lowish_i16x8_s (v128) -> (v128)
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; CHECK-NEXT: # %bb.0:
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i16x8.extract_lane_u 1
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; CHECK-NEXT: i32x4.splat
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i16x8.extract_lane_u 2
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; CHECK-NEXT: i32x4.replace_lane 1
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i16x8.extract_lane_u 3
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; CHECK-NEXT: i32x4.replace_lane 2
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: i16x8.extract_lane_u 4
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; CHECK-NEXT: i32x4.replace_lane 3
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; CHECK-NEXT: i32.const 16
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; CHECK-NEXT: i32x4.shl
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; CHECK-NEXT: i32.const 16
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; CHECK-NEXT: i32x4.shr_s
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; CHECK-NEXT: # fallthrough-return
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%lowish = shufflevector <8 x i16> %v, <8 x i16> undef,
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<4 x i32> <i32 1, i32 2, i32 3, i32 4>
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%widened = sext <4 x i16> %lowish to <4 x i32>
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ret <4 x i32> %widened
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}
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