[llvm] de9f842 - [PowerPC] add popcount CodeGen test; NFC
Shawn Landden via llvm-commits
llvm-commits at lists.llvm.org
Thu Jun 25 01:42:03 PDT 2020
Author: Shawn Landden
Date: 2020-06-25T12:41:33+04:00
New Revision: de9f842c55676a68453cc4160f316b1c1eea865b
URL: https://github.com/llvm/llvm-project/commit/de9f842c55676a68453cc4160f316b1c1eea865b
DIFF: https://github.com/llvm/llvm-project/commit/de9f842c55676a68453cc4160f316b1c1eea865b.diff
LOG: [PowerPC] add popcount CodeGen test; NFC
Added:
llvm/test/CodeGen/PowerPC/popcount.ll
Modified:
Removed:
################################################################################
diff --git a/llvm/test/CodeGen/PowerPC/popcount.ll b/llvm/test/CodeGen/PowerPC/popcount.ll
new file mode 100644
index 000000000000..fb20f1d3ee43
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/popcount.ll
@@ -0,0 +1,78 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -O0 -mtriple=powerpc64le-unknown-unknown | FileCheck %s
+
+; Function Attrs: nobuiltin nounwind readonly
+define i8 @popcount128(i128* nocapture nonnull readonly %0) {
+; CHECK-LABEL: popcount128:
+; CHECK: # %bb.0: # %Entry
+; CHECK-NEXT: ld 4, 0(3)
+; CHECK-NEXT: ld 3, 8(3)
+; CHECK-NEXT: popcntd 3, 3
+; CHECK-NEXT: popcntd 4, 4
+; CHECK-NEXT: add 3, 4, 3
+; CHECK-NEXT: # kill: def $r3 killed $r3 killed $x3
+; CHECK-NEXT: clrldi 3, 3, 56
+; CHECK-NEXT: blr
+Entry:
+ %1 = load i128, i128* %0, align 16
+ %2 = tail call i128 @llvm.ctpop.i128(i128 %1)
+ %3 = trunc i128 %2 to i8
+ ret i8 %3
+}
+
+; Function Attrs: nounwind readnone speculatable willreturn
+declare i128 @llvm.ctpop.i128(i128)
+
+; Function Attrs: nobuiltin nounwind readonly
+define i16 @popcount256(i256* nocapture nonnull readonly %0) {
+; CHECK-LABEL: popcount256:
+; CHECK: # %bb.0: # %Entry
+; CHECK-NEXT: ld 4, 0(3)
+; CHECK-NEXT: ld 5, 8(3)
+; CHECK-NEXT: ld 6, 16(3)
+; CHECK-NEXT: ld 3, 24(3)
+; CHECK-NEXT: popcntd 3, 3
+; CHECK-NEXT: popcntd 6, 6
+; CHECK-NEXT: add 3, 6, 3
+; CHECK-NEXT: popcntd 5, 5
+; CHECK-NEXT: popcntd 4, 4
+; CHECK-NEXT: add 4, 4, 5
+; CHECK-NEXT: add 3, 4, 3
+; CHECK-NEXT: # kill: def $r3 killed $r3 killed $x3
+; CHECK-NEXT: clrldi 3, 3, 48
+; CHECK-NEXT: blr
+Entry:
+ %1 = load i256, i256* %0, align 16
+ %2 = tail call i256 @llvm.ctpop.i256(i256 %1)
+ %3 = trunc i256 %2 to i16
+ ret i16 %3
+}
+
+; Function Attrs: nounwind readnone speculatable willreturn
+declare i256 @llvm.ctpop.i256(i256)
+
+define <1 x i128> @popcount1x128(<1 x i128> %0) {
+; CHECK-LABEL: popcount1x128:
+; CHECK: # %bb.0: # %Entry
+; CHECK-NEXT: xxlor 0, 34, 34
+; CHECK-NEXT: # kill: def $f0 killed $f0 killed $vsl0
+; CHECK-NEXT: mffprd 3, 0
+; CHECK-NEXT: popcntd 3, 3
+; CHECK-NEXT: xxswapd 0, 34
+; CHECK-NEXT: # kill: def $f0 killed $f0 killed $vsl0
+; CHECK-NEXT: mffprd 4, 0
+; CHECK-NEXT: popcntd 4, 4
+; CHECK-NEXT: add 3, 4, 3
+; CHECK-NEXT: mtfprd 0, 3
+; CHECK-NEXT: # kill: def $vsl0 killed $f0
+; CHECK-NEXT: li 3, 0
+; CHECK-NEXT: mtfprd 1, 3
+; CHECK-NEXT: # kill: def $vsl1 killed $f1
+; CHECK-NEXT: xxmrghd 34, 1, 0
+; CHECK-NEXT: blr
+Entry:
+ %1 = tail call <1 x i128> @llvm.ctpop.v1.i128(<1 x i128> %0)
+ ret <1 x i128> %1
+}
+
+declare <1 x i128> @llvm.ctpop.v1.i128(<1 x i128>)
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