[llvm] [LoongArch] Pre-commit for lowering shuffle as lane permute and shuffle. (PR #141205)
via llvm-commits
llvm-commits at lists.llvm.org
Fri May 23 00:26:31 PDT 2025
https://github.com/tangaac created https://github.com/llvm/llvm-project/pull/141205
None
>From 042d50373acf43e6604c8fc1894ada3dda632d5b Mon Sep 17 00:00:00 2001
From: tangaac <tangyan01 at loongson.cn>
Date: Fri, 23 May 2025 15:15:00 +0800
Subject: [PATCH] Pre-commit for lowering shuffle as lane permute and shuffle
---
.../lasx/shuffle-as-permute-and-shuffle.ll | 313 ++++++++++++++++++
1 file changed, 313 insertions(+)
create mode 100644 llvm/test/CodeGen/LoongArch/lasx/shuffle-as-permute-and-shuffle.ll
diff --git a/llvm/test/CodeGen/LoongArch/lasx/shuffle-as-permute-and-shuffle.ll b/llvm/test/CodeGen/LoongArch/lasx/shuffle-as-permute-and-shuffle.ll
new file mode 100644
index 0000000000000..72c28bf8a4046
--- /dev/null
+++ b/llvm/test/CodeGen/LoongArch/lasx/shuffle-as-permute-and-shuffle.ll
@@ -0,0 +1,313 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc --mtriple=loongarch64 --mattr=+lasx %s -o - | FileCheck %s
+
+define <32 x i8> @shuffle_v32i8(<32 x i8> %a) {
+; CHECK-LABEL: shuffle_v32i8:
+; CHECK: # %bb.0:
+; CHECK-NEXT: addi.d $sp, $sp, -64
+; CHECK-NEXT: .cfi_def_cfa_offset 64
+; CHECK-NEXT: st.d $ra, $sp, 56 # 8-byte Folded Spill
+; CHECK-NEXT: st.d $fp, $sp, 48 # 8-byte Folded Spill
+; CHECK-NEXT: .cfi_offset 1, -8
+; CHECK-NEXT: .cfi_offset 22, -16
+; CHECK-NEXT: addi.d $fp, $sp, 64
+; CHECK-NEXT: .cfi_def_cfa 22, 0
+; CHECK-NEXT: bstrins.d $sp, $zero, 4, 0
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvst $xr0, $sp, 0
+; CHECK-NEXT: ld.b $a1, $sp, 16
+; CHECK-NEXT: ld.b $a0, $sp, 17
+; CHECK-NEXT: vinsgr2vr.b $vr0, $a1, 0
+; CHECK-NEXT: vinsgr2vr.b $vr0, $a0, 1
+; CHECK-NEXT: vpickve2gr.b $a2, $vr1, 0
+; CHECK-NEXT: vinsgr2vr.b $vr0, $a2, 2
+; CHECK-NEXT: vpickve2gr.b $a2, $vr1, 1
+; CHECK-NEXT: vinsgr2vr.b $vr0, $a2, 3
+; CHECK-NEXT: vpickve2gr.b $a2, $vr1, 2
+; CHECK-NEXT: vinsgr2vr.b $vr0, $a2, 4
+; CHECK-NEXT: vpickve2gr.b $a2, $vr1, 3
+; CHECK-NEXT: vinsgr2vr.b $vr0, $a2, 5
+; CHECK-NEXT: vpickve2gr.b $a2, $vr1, 4
+; CHECK-NEXT: vinsgr2vr.b $vr0, $a2, 6
+; CHECK-NEXT: vpickve2gr.b $a2, $vr1, 5
+; CHECK-NEXT: vinsgr2vr.b $vr0, $a2, 7
+; CHECK-NEXT: vpickve2gr.b $a2, $vr1, 6
+; CHECK-NEXT: vinsgr2vr.b $vr0, $a2, 8
+; CHECK-NEXT: vpickve2gr.b $a2, $vr1, 7
+; CHECK-NEXT: vinsgr2vr.b $vr0, $a2, 9
+; CHECK-NEXT: vpickve2gr.b $a2, $vr1, 8
+; CHECK-NEXT: vinsgr2vr.b $vr0, $a2, 10
+; CHECK-NEXT: vpickve2gr.b $a2, $vr1, 9
+; CHECK-NEXT: vinsgr2vr.b $vr0, $a2, 11
+; CHECK-NEXT: vpickve2gr.b $a2, $vr1, 10
+; CHECK-NEXT: vinsgr2vr.b $vr0, $a2, 12
+; CHECK-NEXT: vpickve2gr.b $a2, $vr1, 11
+; CHECK-NEXT: vinsgr2vr.b $vr0, $a2, 13
+; CHECK-NEXT: vpickve2gr.b $a2, $vr1, 12
+; CHECK-NEXT: vinsgr2vr.b $vr0, $a2, 14
+; CHECK-NEXT: vpickve2gr.b $a2, $vr1, 13
+; CHECK-NEXT: vinsgr2vr.b $vr0, $a2, 15
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.b $vr1, $a1, 0
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.b $vr1, $a0, 1
+; CHECK-NEXT: ld.b $a0, $sp, 18
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.b $vr1, $a0, 2
+; CHECK-NEXT: ld.b $a0, $sp, 19
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.b $vr1, $a0, 3
+; CHECK-NEXT: ld.b $a0, $sp, 20
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.b $vr1, $a0, 4
+; CHECK-NEXT: ld.b $a0, $sp, 21
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.b $vr1, $a0, 5
+; CHECK-NEXT: ld.b $a0, $sp, 22
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.b $vr1, $a0, 6
+; CHECK-NEXT: ld.b $a0, $sp, 23
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.b $vr1, $a0, 7
+; CHECK-NEXT: ld.b $a0, $sp, 24
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.b $vr1, $a0, 8
+; CHECK-NEXT: ld.b $a0, $sp, 25
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.b $vr1, $a0, 9
+; CHECK-NEXT: ld.b $a0, $sp, 26
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.b $vr1, $a0, 10
+; CHECK-NEXT: ld.b $a0, $sp, 27
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.b $vr1, $a0, 11
+; CHECK-NEXT: ld.b $a0, $sp, 28
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.b $vr1, $a0, 12
+; CHECK-NEXT: ld.b $a0, $sp, 29
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.b $vr1, $a0, 13
+; CHECK-NEXT: ld.b $a0, $sp, 30
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.b $vr1, $a0, 14
+; CHECK-NEXT: ld.b $a0, $sp, 31
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.b $vr1, $a0, 15
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: addi.d $sp, $fp, -64
+; CHECK-NEXT: ld.d $fp, $sp, 48 # 8-byte Folded Reload
+; CHECK-NEXT: ld.d $ra, $sp, 56 # 8-byte Folded Reload
+; CHECK-NEXT: addi.d $sp, $sp, 64
+; CHECK-NEXT: ret
+ %shuffle = shufflevector <32 x i8> %a, <32 x i8> poison, <32 x i32> <i32 16, i32 17, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>
+ ret <32 x i8> %shuffle
+}
+
+
+define <16 x i16> @shuffle_v16i16(<16 x i16> %a) {
+; CHECK-LABEL: shuffle_v16i16:
+; CHECK: # %bb.0:
+; CHECK-NEXT: addi.d $sp, $sp, -64
+; CHECK-NEXT: .cfi_def_cfa_offset 64
+; CHECK-NEXT: st.d $ra, $sp, 56 # 8-byte Folded Spill
+; CHECK-NEXT: st.d $fp, $sp, 48 # 8-byte Folded Spill
+; CHECK-NEXT: .cfi_offset 1, -8
+; CHECK-NEXT: .cfi_offset 22, -16
+; CHECK-NEXT: addi.d $fp, $sp, 64
+; CHECK-NEXT: .cfi_def_cfa 22, 0
+; CHECK-NEXT: bstrins.d $sp, $zero, 4, 0
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvst $xr0, $sp, 0
+; CHECK-NEXT: ld.h $a0, $sp, 16
+; CHECK-NEXT: ld.h $a1, $sp, 18
+; CHECK-NEXT: vinsgr2vr.h $vr0, $a0, 0
+; CHECK-NEXT: vinsgr2vr.h $vr0, $a1, 1
+; CHECK-NEXT: vpickve2gr.h $a2, $vr1, 0
+; CHECK-NEXT: vinsgr2vr.h $vr0, $a2, 2
+; CHECK-NEXT: vpickve2gr.h $a2, $vr1, 1
+; CHECK-NEXT: vinsgr2vr.h $vr0, $a2, 3
+; CHECK-NEXT: vpickve2gr.h $a2, $vr1, 2
+; CHECK-NEXT: vinsgr2vr.h $vr0, $a2, 4
+; CHECK-NEXT: vpickve2gr.h $a2, $vr1, 3
+; CHECK-NEXT: vinsgr2vr.h $vr0, $a2, 5
+; CHECK-NEXT: vpickve2gr.h $a2, $vr1, 4
+; CHECK-NEXT: vinsgr2vr.h $vr0, $a2, 6
+; CHECK-NEXT: vpickve2gr.h $a2, $vr1, 5
+; CHECK-NEXT: vinsgr2vr.h $vr0, $a2, 7
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.h $vr1, $a0, 0
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.h $vr1, $a1, 1
+; CHECK-NEXT: ld.h $a0, $sp, 20
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.h $vr1, $a0, 2
+; CHECK-NEXT: ld.h $a0, $sp, 22
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.h $vr1, $a0, 3
+; CHECK-NEXT: ld.h $a0, $sp, 24
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.h $vr1, $a0, 4
+; CHECK-NEXT: ld.h $a0, $sp, 26
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.h $vr1, $a0, 5
+; CHECK-NEXT: ld.h $a0, $sp, 28
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.h $vr1, $a0, 6
+; CHECK-NEXT: ld.h $a0, $sp, 30
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: xvori.b $xr1, $xr0, 0
+; CHECK-NEXT: xvpermi.q $xr1, $xr0, 1
+; CHECK-NEXT: vinsgr2vr.h $vr1, $a0, 7
+; CHECK-NEXT: xvpermi.q $xr0, $xr1, 2
+; CHECK-NEXT: addi.d $sp, $fp, -64
+; CHECK-NEXT: ld.d $fp, $sp, 48 # 8-byte Folded Reload
+; CHECK-NEXT: ld.d $ra, $sp, 56 # 8-byte Folded Reload
+; CHECK-NEXT: addi.d $sp, $sp, 64
+; CHECK-NEXT: ret
+ %shuffle = shufflevector <16 x i16> %a, <16 x i16> poison, <16 x i32> <i32 8, i32 9, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+ ret <16 x i16> %shuffle
+}
+
+define <8 x i32> @shuffle_v8i32(<8 x i32> %a) {
+; CHECK-LABEL: shuffle_v8i32:
+; CHECK: # %bb.0:
+; CHECK-NEXT: xvpickve2gr.w $a0, $xr0, 4
+; CHECK-NEXT: xvinsgr2vr.w $xr1, $a0, 0
+; CHECK-NEXT: xvpickve2gr.w $a1, $xr0, 5
+; CHECK-NEXT: xvinsgr2vr.w $xr1, $a1, 1
+; CHECK-NEXT: xvpickve2gr.w $a2, $xr0, 0
+; CHECK-NEXT: xvinsgr2vr.w $xr1, $a2, 2
+; CHECK-NEXT: xvpickve2gr.w $a2, $xr0, 1
+; CHECK-NEXT: xvinsgr2vr.w $xr1, $a2, 3
+; CHECK-NEXT: xvinsgr2vr.w $xr1, $a0, 4
+; CHECK-NEXT: xvinsgr2vr.w $xr1, $a1, 5
+; CHECK-NEXT: xvpickve2gr.w $a0, $xr0, 6
+; CHECK-NEXT: xvinsgr2vr.w $xr1, $a0, 6
+; CHECK-NEXT: xvpickve2gr.w $a0, $xr0, 7
+; CHECK-NEXT: xvinsgr2vr.w $xr1, $a0, 7
+; CHECK-NEXT: xvori.b $xr0, $xr1, 0
+; CHECK-NEXT: ret
+ %shuffle = shufflevector <8 x i32> %a, <8 x i32> poison, <8 x i32> <i32 4, i32 5, i32 0, i32 1, i32 4, i32 5, i32 6, i32 7>
+ ret <8 x i32> %shuffle
+}
+
+define <4 x i64> @shuffle_v4i64(<4 x i64> %a) {
+; CHECK-LABEL: shuffle_v4i64:
+; CHECK: # %bb.0:
+; CHECK-NEXT: xvpickve2gr.d $a0, $xr0, 3
+; CHECK-NEXT: xvinsgr2vr.d $xr1, $a0, 0
+; CHECK-NEXT: xvpickve2gr.d $a0, $xr0, 1
+; CHECK-NEXT: xvinsgr2vr.d $xr1, $a0, 1
+; CHECK-NEXT: xvpickve2gr.d $a0, $xr0, 2
+; CHECK-NEXT: xvinsgr2vr.d $xr1, $a0, 2
+; CHECK-NEXT: xvpickve2gr.d $a0, $xr0, 0
+; CHECK-NEXT: xvinsgr2vr.d $xr1, $a0, 3
+; CHECK-NEXT: xvori.b $xr0, $xr1, 0
+; CHECK-NEXT: ret
+ %shuffle = shufflevector <4 x i64> %a, <4 x i64> poison, <4 x i32> <i32 3, i32 1, i32 2, i32 0>
+ ret <4 x i64> %shuffle
+}
+
+define <8 x float> @shuffle_v8f32(<8 x float> %a) {
+; CHECK-LABEL: shuffle_v8f32:
+; CHECK: # %bb.0:
+; CHECK-NEXT: xvpickve2gr.w $a0, $xr0, 4
+; CHECK-NEXT: movgr2fr.w $fa1, $a0
+; CHECK-NEXT: xvpickve2gr.w $a0, $xr0, 5
+; CHECK-NEXT: movgr2fr.w $fa2, $a0
+; CHECK-NEXT: movfr2gr.s $a0, $fa1
+; CHECK-NEXT: movfr2gr.s $a1, $fa2
+; CHECK-NEXT: xvpickve2gr.w $a2, $xr0, 0
+; CHECK-NEXT: movgr2fr.w $fa1, $a2
+; CHECK-NEXT: xvpickve2gr.w $a2, $xr0, 1
+; CHECK-NEXT: movgr2fr.w $fa2, $a2
+; CHECK-NEXT: movfr2gr.s $a2, $fa1
+; CHECK-NEXT: xvinsgr2vr.w $xr1, $a0, 0
+; CHECK-NEXT: xvinsgr2vr.w $xr1, $a1, 1
+; CHECK-NEXT: xvinsgr2vr.w $xr1, $a2, 2
+; CHECK-NEXT: movfr2gr.s $a2, $fa2
+; CHECK-NEXT: xvinsgr2vr.w $xr1, $a2, 3
+; CHECK-NEXT: xvinsgr2vr.w $xr1, $a0, 4
+; CHECK-NEXT: xvpickve2gr.w $a0, $xr0, 6
+; CHECK-NEXT: movgr2fr.w $fa2, $a0
+; CHECK-NEXT: xvinsgr2vr.w $xr1, $a1, 5
+; CHECK-NEXT: movfr2gr.s $a0, $fa2
+; CHECK-NEXT: xvpickve2gr.w $a1, $xr0, 7
+; CHECK-NEXT: movgr2fr.w $fa0, $a1
+; CHECK-NEXT: xvinsgr2vr.w $xr1, $a0, 6
+; CHECK-NEXT: movfr2gr.s $a0, $fa0
+; CHECK-NEXT: xvinsgr2vr.w $xr1, $a0, 7
+; CHECK-NEXT: xvori.b $xr0, $xr1, 0
+; CHECK-NEXT: ret
+ %shuffle = shufflevector <8 x float> %a, <8 x float> poison, <8 x i32> <i32 4, i32 5, i32 0, i32 1, i32 4, i32 5, i32 6, i32 7>
+ ret <8 x float> %shuffle
+}
+
+define <4 x double> @shuffle_v4f64(<4 x double> %a, <4 x double> %b) {
+; CHECK-LABEL: shuffle_v4f64:
+; CHECK: # %bb.0:
+; CHECK-NEXT: xvpickve2gr.d $a0, $xr0, 3
+; CHECK-NEXT: movgr2fr.d $fa1, $a0
+; CHECK-NEXT: xvpickve2gr.d $a0, $xr0, 1
+; CHECK-NEXT: movgr2fr.d $fa2, $a0
+; CHECK-NEXT: movfr2gr.d $a0, $fa1
+; CHECK-NEXT: xvinsgr2vr.d $xr1, $a0, 0
+; CHECK-NEXT: movfr2gr.d $a0, $fa2
+; CHECK-NEXT: xvinsgr2vr.d $xr1, $a0, 1
+; CHECK-NEXT: xvpickve2gr.d $a0, $xr0, 2
+; CHECK-NEXT: movgr2fr.d $fa2, $a0
+; CHECK-NEXT: xvpickve2gr.d $a0, $xr0, 0
+; CHECK-NEXT: movgr2fr.d $fa0, $a0
+; CHECK-NEXT: movfr2gr.d $a0, $fa2
+; CHECK-NEXT: xvinsgr2vr.d $xr1, $a0, 2
+; CHECK-NEXT: movfr2gr.d $a0, $fa0
+; CHECK-NEXT: xvinsgr2vr.d $xr1, $a0, 3
+; CHECK-NEXT: xvori.b $xr0, $xr1, 0
+; CHECK-NEXT: ret
+ %shuffle = shufflevector <4 x double> %a, <4 x double> %b, <4 x i32> <i32 3, i32 1, i32 2, i32 0>
+ ret <4 x double> %shuffle
+}
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