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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/trunc-avg-fold.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

88 lines
3.1 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=aarch64 < %s | FileCheck %s --check-prefixes=CHECK,CHECK-SD
; RUN: llc -mtriple=aarch64 -global-isel < %s | FileCheck %s --check-prefixes=CHECK,CHECK-GI
define <8 x i8> @avgceil_u_i8_to_i16(<8 x i8> %a, <8 x i8> %b) {
; CHECK-SD-LABEL: avgceil_u_i8_to_i16:
; CHECK-SD: // %bb.0:
; CHECK-SD-NEXT: urhadd v0.8b, v0.8b, v1.8b
; CHECK-SD-NEXT: ret
;
; CHECK-GI-LABEL: avgceil_u_i8_to_i16:
; CHECK-GI: // %bb.0:
; CHECK-GI-NEXT: ushll v0.8h, v0.8b, #0
; CHECK-GI-NEXT: ushll v1.8h, v1.8b, #0
; CHECK-GI-NEXT: urhadd v0.8h, v0.8h, v1.8h
; CHECK-GI-NEXT: xtn v0.8b, v0.8h
; CHECK-GI-NEXT: ret
%a16 = zext <8 x i8> %a to <8 x i16>
%b16 = zext <8 x i8> %b to <8 x i16>
%avg16 = call <8 x i16> @llvm.aarch64.neon.urhadd.v8i16(<8 x i16> %a16, <8 x i16> %b16)
%r = trunc <8 x i16> %avg16 to <8 x i8>
ret <8 x i8> %r
}
define <8 x i8> @test_avgceil_s(<8 x i8> %a, <8 x i8> %b) {
; CHECK-SD-LABEL: test_avgceil_s:
; CHECK-SD: // %bb.0:
; CHECK-SD-NEXT: srhadd v0.8b, v0.8b, v1.8b
; CHECK-SD-NEXT: ret
;
; CHECK-GI-LABEL: test_avgceil_s:
; CHECK-GI: // %bb.0:
; CHECK-GI-NEXT: sshll v0.8h, v0.8b, #0
; CHECK-GI-NEXT: sshll v1.8h, v1.8b, #0
; CHECK-GI-NEXT: srhadd v0.8h, v0.8h, v1.8h
; CHECK-GI-NEXT: xtn v0.8b, v0.8h
; CHECK-GI-NEXT: ret
%a16 = sext <8 x i8> %a to <8 x i16>
%b16 = sext <8 x i8> %b to <8 x i16>
%avg16 = call <8 x i16> @llvm.aarch64.neon.srhadd.v8i16(<8 x i16> %a16, <8 x i16> %b16)
%res = trunc <8 x i16> %avg16 to <8 x i8>
ret <8 x i8> %res
}
define <8 x i8> @avgfloor_u_i8_to_i16(<8 x i8> %a, <8 x i8> %b) {
; CHECK-SD-LABEL: avgfloor_u_i8_to_i16:
; CHECK-SD: // %bb.0:
; CHECK-SD-NEXT: uhadd v0.8b, v0.8b, v1.8b
; CHECK-SD-NEXT: ret
;
; CHECK-GI-LABEL: avgfloor_u_i8_to_i16:
; CHECK-GI: // %bb.0:
; CHECK-GI-NEXT: ushll v0.8h, v0.8b, #0
; CHECK-GI-NEXT: ushll v1.8h, v1.8b, #0
; CHECK-GI-NEXT: uhadd v0.8h, v0.8h, v1.8h
; CHECK-GI-NEXT: xtn v0.8b, v0.8h
; CHECK-GI-NEXT: ret
%a16 = zext <8 x i8> %a to <8 x i16>
%b16 = zext <8 x i8> %b to <8 x i16>
%avg16 = call <8 x i16> @llvm.aarch64.neon.uhadd.v8i16(<8 x i16> %a16, <8 x i16> %b16)
%res = trunc <8 x i16> %avg16 to <8 x i8>
ret <8 x i8> %res
}
define <8 x i8> @test_avgfloor_s(<8 x i8> %a, <8 x i8> %b) {
; CHECK-SD-LABEL: test_avgfloor_s:
; CHECK-SD: // %bb.0:
; CHECK-SD-NEXT: shadd v0.8b, v0.8b, v1.8b
; CHECK-SD-NEXT: ret
;
; CHECK-GI-LABEL: test_avgfloor_s:
; CHECK-GI: // %bb.0:
; CHECK-GI-NEXT: sshll v0.8h, v0.8b, #0
; CHECK-GI-NEXT: sshll v1.8h, v1.8b, #0
; CHECK-GI-NEXT: shadd v0.8h, v0.8h, v1.8h
; CHECK-GI-NEXT: xtn v0.8b, v0.8h
; CHECK-GI-NEXT: ret
%a16 = sext <8 x i8> %a to <8 x i16>
%b16 = sext <8 x i8> %b to <8 x i16>
%avg16 = call <8 x i16> @llvm.aarch64.neon.shadd.v8i16(<8 x i16> %a16, <8 x i16> %b16)
%res = trunc <8 x i16> %avg16 to <8 x i8>
ret <8 x i8> %res
}
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; CHECK: {{.*}}