[llvm] r375142 - [PowerPC] add tests for popcount with zext; NFC
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Thu Oct 17 10:44:04 PDT 2019
Author: spatel
Date: Thu Oct 17 10:44:04 2019
New Revision: 375142
URL: http://llvm.org/viewvc/llvm-project?rev=375142&view=rev
Log:
[PowerPC] add tests for popcount with zext; NFC
Added:
llvm/trunk/test/CodeGen/PowerPC/popcnt-zext.ll
Added: llvm/trunk/test/CodeGen/PowerPC/popcnt-zext.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PowerPC/popcnt-zext.ll?rev=375142&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/PowerPC/popcnt-zext.ll (added)
+++ llvm/trunk/test/CodeGen/PowerPC/popcnt-zext.ll Thu Oct 17 10:44:04 2019
@@ -0,0 +1,304 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-- -mattr=+popcntd < %s | FileCheck %s --check-prefixes=ANY,FAST
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-- -mattr=+slow-popcntd < %s | FileCheck %s --check-prefixes=ANY,SLOW
+
+define i16 @zpop_i8_i16(i8 %x) {
+; FAST-LABEL: zpop_i8_i16:
+; FAST: # %bb.0:
+; FAST-NEXT: rlwinm 3, 3, 0, 24, 31
+; FAST-NEXT: popcntw 3, 3
+; FAST-NEXT: blr
+;
+; SLOW-LABEL: zpop_i8_i16:
+; SLOW: # %bb.0:
+; SLOW-NEXT: clrlwi 5, 3, 24
+; SLOW-NEXT: rlwinm 3, 3, 31, 0, 31
+; SLOW-NEXT: andi. 3, 3, 85
+; SLOW-NEXT: lis 4, 13107
+; SLOW-NEXT: subf 3, 3, 5
+; SLOW-NEXT: ori 4, 4, 13107
+; SLOW-NEXT: rotlwi 5, 3, 30
+; SLOW-NEXT: and 3, 3, 4
+; SLOW-NEXT: andis. 4, 5, 13107
+; SLOW-NEXT: andi. 5, 5, 13107
+; SLOW-NEXT: or 4, 5, 4
+; SLOW-NEXT: add 3, 3, 4
+; SLOW-NEXT: lis 5, 3855
+; SLOW-NEXT: srwi 4, 3, 4
+; SLOW-NEXT: add 3, 3, 4
+; SLOW-NEXT: lis 4, 257
+; SLOW-NEXT: ori 5, 5, 3855
+; SLOW-NEXT: and 3, 3, 5
+; SLOW-NEXT: ori 4, 4, 257
+; SLOW-NEXT: mullw 3, 3, 4
+; SLOW-NEXT: srwi 3, 3, 24
+; SLOW-NEXT: blr
+ %z = zext i8 %x to i16
+ %pop = tail call i16 @llvm.ctpop.i16(i16 %z)
+ ret i16 %pop
+}
+
+define i16 @popz_i8_i16(i8 %x) {
+; FAST-LABEL: popz_i8_i16:
+; FAST: # %bb.0:
+; FAST-NEXT: rlwinm 3, 3, 0, 24, 31
+; FAST-NEXT: popcntw 3, 3
+; FAST-NEXT: clrldi 3, 3, 32
+; FAST-NEXT: blr
+;
+; SLOW-LABEL: popz_i8_i16:
+; SLOW: # %bb.0:
+; SLOW-NEXT: clrlwi 5, 3, 24
+; SLOW-NEXT: rlwinm 3, 3, 31, 0, 31
+; SLOW-NEXT: andi. 3, 3, 85
+; SLOW-NEXT: lis 4, 13107
+; SLOW-NEXT: subf 3, 3, 5
+; SLOW-NEXT: ori 4, 4, 13107
+; SLOW-NEXT: rotlwi 5, 3, 30
+; SLOW-NEXT: and 3, 3, 4
+; SLOW-NEXT: andis. 4, 5, 13107
+; SLOW-NEXT: andi. 5, 5, 13107
+; SLOW-NEXT: or 4, 5, 4
+; SLOW-NEXT: add 3, 3, 4
+; SLOW-NEXT: lis 5, 3855
+; SLOW-NEXT: srwi 4, 3, 4
+; SLOW-NEXT: add 3, 3, 4
+; SLOW-NEXT: lis 4, 257
+; SLOW-NEXT: ori 5, 5, 3855
+; SLOW-NEXT: and 3, 3, 5
+; SLOW-NEXT: ori 4, 4, 257
+; SLOW-NEXT: mullw 3, 3, 4
+; SLOW-NEXT: rlwinm 3, 3, 8, 24, 31
+; SLOW-NEXT: blr
+ %pop = tail call i8 @llvm.ctpop.i8(i8 %x)
+ %z = zext i8 %pop to i16
+ ret i16 %z
+}
+
+define i32 @zpop_i8_i32(i8 %x) {
+; FAST-LABEL: zpop_i8_i32:
+; FAST: # %bb.0:
+; FAST-NEXT: rlwinm 3, 3, 0, 24, 31
+; FAST-NEXT: popcntw 3, 3
+; FAST-NEXT: blr
+;
+; SLOW-LABEL: zpop_i8_i32:
+; SLOW: # %bb.0:
+; SLOW-NEXT: clrlwi 5, 3, 24
+; SLOW-NEXT: rlwinm 3, 3, 31, 0, 31
+; SLOW-NEXT: andi. 3, 3, 85
+; SLOW-NEXT: lis 4, 13107
+; SLOW-NEXT: subf 3, 3, 5
+; SLOW-NEXT: ori 4, 4, 13107
+; SLOW-NEXT: rotlwi 5, 3, 30
+; SLOW-NEXT: and 3, 3, 4
+; SLOW-NEXT: andis. 4, 5, 13107
+; SLOW-NEXT: andi. 5, 5, 13107
+; SLOW-NEXT: or 4, 5, 4
+; SLOW-NEXT: add 3, 3, 4
+; SLOW-NEXT: lis 5, 3855
+; SLOW-NEXT: srwi 4, 3, 4
+; SLOW-NEXT: add 3, 3, 4
+; SLOW-NEXT: lis 4, 257
+; SLOW-NEXT: ori 5, 5, 3855
+; SLOW-NEXT: and 3, 3, 5
+; SLOW-NEXT: ori 4, 4, 257
+; SLOW-NEXT: mullw 3, 3, 4
+; SLOW-NEXT: srwi 3, 3, 24
+; SLOW-NEXT: blr
+ %z = zext i8 %x to i32
+ %pop = tail call i32 @llvm.ctpop.i32(i32 %z)
+ ret i32 %pop
+}
+
+define i32 @popz_i8_32(i8 %x) {
+; FAST-LABEL: popz_i8_32:
+; FAST: # %bb.0:
+; FAST-NEXT: rlwinm 3, 3, 0, 24, 31
+; FAST-NEXT: popcntw 3, 3
+; FAST-NEXT: clrldi 3, 3, 32
+; FAST-NEXT: blr
+;
+; SLOW-LABEL: popz_i8_32:
+; SLOW: # %bb.0:
+; SLOW-NEXT: clrlwi 5, 3, 24
+; SLOW-NEXT: rlwinm 3, 3, 31, 0, 31
+; SLOW-NEXT: andi. 3, 3, 85
+; SLOW-NEXT: lis 4, 13107
+; SLOW-NEXT: subf 3, 3, 5
+; SLOW-NEXT: ori 4, 4, 13107
+; SLOW-NEXT: rotlwi 5, 3, 30
+; SLOW-NEXT: and 3, 3, 4
+; SLOW-NEXT: andis. 4, 5, 13107
+; SLOW-NEXT: andi. 5, 5, 13107
+; SLOW-NEXT: or 4, 5, 4
+; SLOW-NEXT: add 3, 3, 4
+; SLOW-NEXT: lis 5, 3855
+; SLOW-NEXT: srwi 4, 3, 4
+; SLOW-NEXT: add 3, 3, 4
+; SLOW-NEXT: lis 4, 257
+; SLOW-NEXT: ori 5, 5, 3855
+; SLOW-NEXT: and 3, 3, 5
+; SLOW-NEXT: ori 4, 4, 257
+; SLOW-NEXT: mullw 3, 3, 4
+; SLOW-NEXT: rlwinm 3, 3, 8, 24, 31
+; SLOW-NEXT: blr
+ %pop = tail call i8 @llvm.ctpop.i8(i8 %x)
+ %z = zext i8 %pop to i32
+ ret i32 %z
+}
+
+define i32 @zpop_i16_i32(i16 %x) {
+; FAST-LABEL: zpop_i16_i32:
+; FAST: # %bb.0:
+; FAST-NEXT: rlwinm 3, 3, 0, 16, 31
+; FAST-NEXT: popcntw 3, 3
+; FAST-NEXT: blr
+;
+; SLOW-LABEL: zpop_i16_i32:
+; SLOW: # %bb.0:
+; SLOW-NEXT: clrlwi 5, 3, 16
+; SLOW-NEXT: rlwinm 3, 3, 31, 0, 31
+; SLOW-NEXT: andi. 3, 3, 21845
+; SLOW-NEXT: lis 4, 13107
+; SLOW-NEXT: subf 3, 3, 5
+; SLOW-NEXT: ori 4, 4, 13107
+; SLOW-NEXT: rotlwi 5, 3, 30
+; SLOW-NEXT: and 3, 3, 4
+; SLOW-NEXT: andis. 4, 5, 13107
+; SLOW-NEXT: andi. 5, 5, 13107
+; SLOW-NEXT: or 4, 5, 4
+; SLOW-NEXT: add 3, 3, 4
+; SLOW-NEXT: lis 5, 3855
+; SLOW-NEXT: srwi 4, 3, 4
+; SLOW-NEXT: add 3, 3, 4
+; SLOW-NEXT: lis 4, 257
+; SLOW-NEXT: ori 5, 5, 3855
+; SLOW-NEXT: and 3, 3, 5
+; SLOW-NEXT: ori 4, 4, 257
+; SLOW-NEXT: mullw 3, 3, 4
+; SLOW-NEXT: srwi 3, 3, 24
+; SLOW-NEXT: blr
+ %z = zext i16 %x to i32
+ %pop = tail call i32 @llvm.ctpop.i32(i32 %z)
+ ret i32 %pop
+}
+
+define i32 @popz_i16_32(i16 %x) {
+; FAST-LABEL: popz_i16_32:
+; FAST: # %bb.0:
+; FAST-NEXT: rlwinm 3, 3, 0, 16, 31
+; FAST-NEXT: popcntw 3, 3
+; FAST-NEXT: clrldi 3, 3, 32
+; FAST-NEXT: blr
+;
+; SLOW-LABEL: popz_i16_32:
+; SLOW: # %bb.0:
+; SLOW-NEXT: clrlwi 5, 3, 16
+; SLOW-NEXT: rlwinm 3, 3, 31, 0, 31
+; SLOW-NEXT: andi. 3, 3, 21845
+; SLOW-NEXT: lis 4, 13107
+; SLOW-NEXT: subf 3, 3, 5
+; SLOW-NEXT: ori 4, 4, 13107
+; SLOW-NEXT: rotlwi 5, 3, 30
+; SLOW-NEXT: and 3, 3, 4
+; SLOW-NEXT: andis. 4, 5, 13107
+; SLOW-NEXT: andi. 5, 5, 13107
+; SLOW-NEXT: or 4, 5, 4
+; SLOW-NEXT: add 3, 3, 4
+; SLOW-NEXT: lis 5, 3855
+; SLOW-NEXT: srwi 4, 3, 4
+; SLOW-NEXT: add 3, 3, 4
+; SLOW-NEXT: lis 4, 257
+; SLOW-NEXT: ori 5, 5, 3855
+; SLOW-NEXT: and 3, 3, 5
+; SLOW-NEXT: ori 4, 4, 257
+; SLOW-NEXT: mullw 3, 3, 4
+; SLOW-NEXT: rlwinm 3, 3, 8, 24, 31
+; SLOW-NEXT: blr
+ %pop = tail call i16 @llvm.ctpop.i16(i16 %x)
+ %z = zext i16 %pop to i32
+ ret i32 %z
+}
+
+define i64 @zpop_i32_i64(i32 %x) {
+; FAST-LABEL: zpop_i32_i64:
+; FAST: # %bb.0:
+; FAST-NEXT: clrldi 3, 3, 32
+; FAST-NEXT: popcntd 3, 3
+; FAST-NEXT: blr
+;
+; SLOW-LABEL: zpop_i32_i64:
+; SLOW: # %bb.0:
+; SLOW-NEXT: rlwinm 5, 3, 31, 1, 0
+; SLOW-NEXT: lis 4, 13107
+; SLOW-NEXT: andis. 6, 5, 21845
+; SLOW-NEXT: andi. 5, 5, 21845
+; SLOW-NEXT: ori 4, 4, 13107
+; SLOW-NEXT: or 5, 5, 6
+; SLOW-NEXT: clrldi 3, 3, 32
+; SLOW-NEXT: rldimi 4, 4, 32, 0
+; SLOW-NEXT: sub 3, 3, 5
+; SLOW-NEXT: and 5, 3, 4
+; SLOW-NEXT: rotldi 3, 3, 62
+; SLOW-NEXT: and 3, 3, 4
+; SLOW-NEXT: add 3, 5, 3
+; SLOW-NEXT: lis 4, 3855
+; SLOW-NEXT: rldicl 5, 3, 60, 4
+; SLOW-NEXT: ori 4, 4, 3855
+; SLOW-NEXT: add 3, 3, 5
+; SLOW-NEXT: lis 5, 257
+; SLOW-NEXT: rldimi 4, 4, 32, 0
+; SLOW-NEXT: ori 5, 5, 257
+; SLOW-NEXT: and 3, 3, 4
+; SLOW-NEXT: rldimi 5, 5, 32, 0
+; SLOW-NEXT: mulld 3, 3, 5
+; SLOW-NEXT: rldicl 3, 3, 8, 56
+; SLOW-NEXT: blr
+ %z = zext i32 %x to i64
+ %pop = tail call i64 @llvm.ctpop.i64(i64 %z)
+ ret i64 %pop
+}
+
+define i64 @popz_i32_i64(i32 %x) {
+; FAST-LABEL: popz_i32_i64:
+; FAST: # %bb.0:
+; FAST-NEXT: popcntw 3, 3
+; FAST-NEXT: clrldi 3, 3, 32
+; FAST-NEXT: blr
+;
+; SLOW-LABEL: popz_i32_i64:
+; SLOW: # %bb.0:
+; SLOW-NEXT: rotlwi 5, 3, 31
+; SLOW-NEXT: andis. 6, 5, 21845
+; SLOW-NEXT: andi. 5, 5, 21845
+; SLOW-NEXT: or 5, 5, 6
+; SLOW-NEXT: lis 4, 13107
+; SLOW-NEXT: subf 3, 5, 3
+; SLOW-NEXT: ori 4, 4, 13107
+; SLOW-NEXT: rotlwi 5, 3, 30
+; SLOW-NEXT: and 3, 3, 4
+; SLOW-NEXT: andis. 4, 5, 13107
+; SLOW-NEXT: andi. 5, 5, 13107
+; SLOW-NEXT: or 4, 5, 4
+; SLOW-NEXT: add 3, 3, 4
+; SLOW-NEXT: lis 5, 3855
+; SLOW-NEXT: srwi 4, 3, 4
+; SLOW-NEXT: add 3, 3, 4
+; SLOW-NEXT: lis 4, 257
+; SLOW-NEXT: ori 5, 5, 3855
+; SLOW-NEXT: and 3, 3, 5
+; SLOW-NEXT: ori 4, 4, 257
+; SLOW-NEXT: mullw 3, 3, 4
+; SLOW-NEXT: rlwinm 3, 3, 8, 24, 31
+; SLOW-NEXT: blr
+ %pop = tail call i32 @llvm.ctpop.i32(i32 %x)
+ %z = zext i32 %pop to i64
+ ret i64 %z
+}
+
+declare i8 @llvm.ctpop.i8(i8) nounwind readnone
+declare i16 @llvm.ctpop.i16(i16) nounwind readnone
+declare i32 @llvm.ctpop.i32(i32) nounwind readnone
+declare i64 @llvm.ctpop.i64(i64) nounwind readnone
+
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