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[AArch64] Added tests to neon-truncstore.ll. NFC.
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Sjoerd Meijer committed Jun 28, 2021
1 parent c27e5a2 commit 7bcb3bd
Showing 1 changed file with 210 additions and 17 deletions.
227 changes: 210 additions & 17 deletions llvm/test/CodeGen/AArch64/neon-truncstore.ll
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@@ -1,40 +1,233 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -mattr=+neon | FileCheck %s

; A vector TruncStore can not be selected.
; Test a trunc IR and a vector store IR can be selected correctly.
define void @truncStore.v2i64(<2 x i64> %a, <2 x i32>* %result) {
; CHECK-LABEL: truncStore.v2i64:
; CHECK: xtn v{{[0-9]+}}.2s, v{{[0-9]+}}.2d
; CHECK: {{st1 { v[0-9]+.2s }|str d[0-9]+}}, [x{{[0-9]+|sp}}]

define void @v2i64_v2i32(<2 x i64> %a, <2 x i32>* %result) {
; CHECK-LABEL: v2i64_v2i32:
; CHECK: // %bb.0:
; CHECK-NEXT: xtn v0.2s, v0.2d
; CHECK-NEXT: str d0, [x0]
; CHECK-NEXT: ret
%b = trunc <2 x i64> %a to <2 x i32>
store <2 x i32> %b, <2 x i32>* %result
ret void
}

define void @truncStore.v4i32(<4 x i32> %a, <4 x i16>* %result) {
; CHECK-LABEL: truncStore.v4i32:
; CHECK: xtn v{{[0-9]+}}.4h, v{{[0-9]+}}.4s
; CHECK: {{st1 { v[0-9]+.4h }|str d[0-9]+}}, [x{{[0-9]+|sp}}]
define void @v4i64_v4i32(<4 x i64> %a, <4 x i32>* %result) {
; CHECK-LABEL: v4i64_v4i32:
; CHECK: // %bb.0:
; CHECK-NEXT: xtn v0.2s, v0.2d
; CHECK-NEXT: xtn2 v0.4s, v1.2d
; CHECK-NEXT: str q0, [x0]
; CHECK-NEXT: ret
%b = trunc <4 x i64> %a to <4 x i32>
store <4 x i32> %b, <4 x i32>* %result
ret void
}

define void @v8i64_v8i32(<8 x i64> %a, <8 x i32>* %result) {
; CHECK-LABEL: v8i64_v8i32:
; CHECK: // %bb.0:
; CHECK-NEXT: xtn v0.2s, v0.2d
; CHECK-NEXT: xtn v2.2s, v2.2d
; CHECK-NEXT: xtn2 v0.4s, v1.2d
; CHECK-NEXT: xtn2 v2.4s, v3.2d
; CHECK-NEXT: stp q0, q2, [x0]
; CHECK-NEXT: ret
%b = trunc <8 x i64> %a to <8 x i32>
store <8 x i32> %b, <8 x i32>* %result
ret void
}

define void @v2i32_v2i16(<2 x i32> %a, <2 x i16>* %result) {
; CHECK-LABEL: v2i32_v2i16:
; CHECK: // %bb.0:
; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT: mov w8, v0.s[1]
; CHECK-NEXT: fmov w9, s0
; CHECK-NEXT: strh w8, [x0, #2]
; CHECK-NEXT: strh w9, [x0]
; CHECK-NEXT: ret
%b = trunc <2 x i32> %a to <2 x i16>
store <2 x i16> %b, <2 x i16>* %result
ret void
}

define void @v4i32_v4i16(<4 x i32> %a, <4 x i16>* %result) {
; CHECK-LABEL: v4i32_v4i16:
; CHECK: // %bb.0:
; CHECK-NEXT: xtn v0.4h, v0.4s
; CHECK-NEXT: str d0, [x0]
; CHECK-NEXT: ret
%b = trunc <4 x i32> %a to <4 x i16>
store <4 x i16> %b, <4 x i16>* %result
ret void
}

define void @truncStore.v4i8(<4 x i32> %a, <4 x i8>* %result) {
; CHECK-LABEL: truncStore.v4i8:
; CHECK: xtn [[TMP:(v[0-9]+)]].4h, v{{[0-9]+}}.4s
; CHECK-NEXT: xtn [[TMP2:(v[0-9]+)]].8b, [[TMP]].8h
; CHECK-NEXT: str s{{[0-9]+}}, [x{{[0-9]+}}]
define void @v8i32_v8i16(<8 x i32> %a, <8 x i16>* %result) {
; CHECK-LABEL: v8i32_v8i16:
; CHECK: // %bb.0:
; CHECK-NEXT: xtn v0.4h, v0.4s
; CHECK-NEXT: xtn2 v0.8h, v1.4s
; CHECK-NEXT: str q0, [x0]
; CHECK-NEXT: ret
%b = trunc <8 x i32> %a to <8 x i16>
store <8 x i16> %b, <8 x i16>* %result
ret void
}

define void @v16i32_v16i16(<16 x i32> %a, <16 x i16>* %result) {
; CHECK-LABEL: v16i32_v16i16:
; CHECK: // %bb.0:
; CHECK-NEXT: xtn v0.4h, v0.4s
; CHECK-NEXT: xtn v2.4h, v2.4s
; CHECK-NEXT: xtn2 v0.8h, v1.4s
; CHECK-NEXT: xtn2 v2.8h, v3.4s
; CHECK-NEXT: stp q0, q2, [x0]
; CHECK-NEXT: ret
%b = trunc <16 x i32> %a to <16 x i16>
store <16 x i16> %b, <16 x i16>* %result
ret void
}

define void @v2i32_v2i8(<2 x i32> %a, <2 x i8>* %result) {
; CHECK-LABEL: v2i32_v2i8:
; CHECK: // %bb.0:
; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT: mov w8, v0.s[1]
; CHECK-NEXT: fmov w9, s0
; CHECK-NEXT: strb w8, [x0, #1]
; CHECK-NEXT: strb w9, [x0]
; CHECK-NEXT: ret
%b = trunc <2 x i32> %a to <2 x i8>
store <2 x i8> %b, <2 x i8>* %result
ret void
}

define void @v4i32_v4i8(<4 x i32> %a, <4 x i8>* %result) {
; CHECK-LABEL: v4i32_v4i8:
; CHECK: // %bb.0:
; CHECK-NEXT: xtn v0.4h, v0.4s
; CHECK-NEXT: xtn v0.8b, v0.8h
; CHECK-NEXT: str s0, [x0]
; CHECK-NEXT: ret
%b = trunc <4 x i32> %a to <4 x i8>
store <4 x i8> %b, <4 x i8>* %result
ret void
}

define void @truncStore.v8i16(<8 x i16> %a, <8 x i8>* %result) {
; CHECK-LABEL: truncStore.v8i16:
; CHECK: xtn v{{[0-9]+}}.8b, v{{[0-9]+}}.8h
; CHECK: {{st1 { v[0-9]+.8b }|str d[0-9]+}}, [x{{[0-9]+|sp}}]
define void @v8i32_v8i8(<8 x i32> %a, <8 x i8>* %result) {
; CHECK-LABEL: v8i32_v8i8:
; CHECK: // %bb.0:
; CHECK-NEXT: xtn v0.4h, v0.4s
; CHECK-NEXT: xtn2 v0.8h, v1.4s
; CHECK-NEXT: xtn v0.8b, v0.8h
; CHECK-NEXT: str d0, [x0]
; CHECK-NEXT: ret
%b = trunc <8 x i32> %a to <8 x i8>
store <8 x i8> %b, <8 x i8>* %result
ret void
}

define void @v16i32_v16i8(<16 x i32> %a, <16 x i8>* %result) {
; CHECK-LABEL: v16i32_v16i8:
; CHECK: // %bb.0:
; CHECK-NEXT: xtn v2.4h, v2.4s
; CHECK-NEXT: xtn v0.4h, v0.4s
; CHECK-NEXT: xtn2 v2.8h, v3.4s
; CHECK-NEXT: xtn2 v0.8h, v1.4s
; CHECK-NEXT: xtn v0.8b, v0.8h
; CHECK-NEXT: xtn2 v0.16b, v2.8h
; CHECK-NEXT: str q0, [x0]
; CHECK-NEXT: ret
%b = trunc <16 x i32> %a to <16 x i8>
store <16 x i8> %b, <16 x i8>* %result
ret void
}

define void @v32i32_v32i8(<32 x i32> %a, <32 x i8>* %result) {
; CHECK-LABEL: v32i32_v32i8:
; CHECK: // %bb.0:
; CHECK-NEXT: xtn v2.4h, v2.4s
; CHECK-NEXT: xtn v0.4h, v0.4s
; CHECK-NEXT: xtn2 v2.8h, v3.4s
; CHECK-NEXT: xtn2 v0.8h, v1.4s
; CHECK-NEXT: xtn v6.4h, v6.4s
; CHECK-NEXT: xtn v4.4h, v4.4s
; CHECK-NEXT: xtn v0.8b, v0.8h
; CHECK-NEXT: xtn2 v0.16b, v2.8h
; CHECK-NEXT: xtn2 v6.8h, v7.4s
; CHECK-NEXT: xtn2 v4.8h, v5.4s
; CHECK-NEXT: xtn v1.8b, v4.8h
; CHECK-NEXT: xtn2 v1.16b, v6.8h
; CHECK-NEXT: stp q0, q1, [x0]
; CHECK-NEXT: ret
%b = trunc <32 x i32> %a to <32 x i8>
store <32 x i8> %b, <32 x i8>* %result
ret void
}

define void @v2i16_v2i8(<2 x i16> %a, <2 x i8>* %result) {
; CHECK-LABEL: v2i16_v2i8:
; CHECK: // %bb.0:
; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT: mov w8, v0.s[1]
; CHECK-NEXT: fmov w9, s0
; CHECK-NEXT: strb w8, [x0, #1]
; CHECK-NEXT: strb w9, [x0]
; CHECK-NEXT: ret
%b = trunc <2 x i16> %a to <2 x i8>
store <2 x i8> %b, <2 x i8>* %result
ret void
}

define void @v4i16_v4i8(<4 x i16> %a, <4 x i8>* %result) {
; CHECK-LABEL: v4i16_v4i8:
; CHECK: // %bb.0:
; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT: xtn v0.8b, v0.8h
; CHECK-NEXT: str s0, [x0]
; CHECK-NEXT: ret
%b = trunc <4 x i16> %a to <4 x i8>
store <4 x i8> %b, <4 x i8>* %result
ret void
}

define void @v8i16_v8i8(<8 x i16> %a, <8 x i8>* %result) {
; CHECK-LABEL: v8i16_v8i8:
; CHECK: // %bb.0:
; CHECK-NEXT: xtn v0.8b, v0.8h
; CHECK-NEXT: str d0, [x0]
; CHECK-NEXT: ret
%b = trunc <8 x i16> %a to <8 x i8>
store <8 x i8> %b, <8 x i8>* %result
ret void
}

define void @v16i16_v16i8(<16 x i16> %a, <16 x i8>* %result) {
; CHECK-LABEL: v16i16_v16i8:
; CHECK: // %bb.0:
; CHECK-NEXT: xtn v0.8b, v0.8h
; CHECK-NEXT: xtn2 v0.16b, v1.8h
; CHECK-NEXT: str q0, [x0]
; CHECK-NEXT: ret
%b = trunc <16 x i16> %a to <16 x i8>
store <16 x i8> %b, <16 x i8>* %result
ret void
}

define void @v32i16_v32i8(<32 x i16> %a, <32 x i8>* %result) {
; CHECK-LABEL: v32i16_v32i8:
; CHECK: // %bb.0:
; CHECK-NEXT: xtn v0.8b, v0.8h
; CHECK-NEXT: xtn v2.8b, v2.8h
; CHECK-NEXT: xtn2 v0.16b, v1.8h
; CHECK-NEXT: xtn2 v2.16b, v3.8h
; CHECK-NEXT: stp q0, q2, [x0]
; CHECK-NEXT: ret
%b = trunc <32 x i16> %a to <32 x i8>
store <32 x i8> %b, <32 x i8>* %result
ret void
}

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