54 lines
1.4 KiB
LLVM
54 lines
1.4 KiB
LLVM
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; Test vector population-count instruction
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
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declare <16 x i8> @llvm.ctpop.v16i8(<16 x i8> %a)
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declare <8 x i16> @llvm.ctpop.v8i16(<8 x i16> %a)
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declare <4 x i32> @llvm.ctpop.v4i32(<4 x i32> %a)
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declare <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %a)
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define <16 x i8> @f1(<16 x i8> %a) {
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; CHECK-LABEL: f1:
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; CHECK: vpopct %v24, %v24, 0
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; CHECK: br %r14
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%popcnt = call <16 x i8> @llvm.ctpop.v16i8(<16 x i8> %a)
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ret <16 x i8> %popcnt
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}
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define <8 x i16> @f2(<8 x i16> %a) {
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; CHECK-LABEL: f2:
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; CHECK: vpopct [[T1:%v[0-9]+]], %v24, 0
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; CHECK: veslh [[T2:%v[0-9]+]], [[T1]], 8
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; CHECK: vah [[T3:%v[0-9]+]], [[T1]], [[T2]]
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; CHECK: vesrlh %v24, [[T3]], 8
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; CHECK: br %r14
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%popcnt = call <8 x i16> @llvm.ctpop.v8i16(<8 x i16> %a)
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ret <8 x i16> %popcnt
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}
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define <4 x i32> @f3(<4 x i32> %a) {
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; CHECK-LABEL: f3:
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; CHECK: vpopct [[T1:%v[0-9]+]], %v24, 0
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; CHECK: vgbm [[T2:%v[0-9]+]], 0
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; CHECK: vsumb %v24, [[T1]], [[T2]]
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; CHECK: br %r14
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%popcnt = call <4 x i32> @llvm.ctpop.v4i32(<4 x i32> %a)
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ret <4 x i32> %popcnt
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}
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define <2 x i64> @f4(<2 x i64> %a) {
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; CHECK-LABEL: f4:
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; CHECK: vpopct [[T1:%v[0-9]+]], %v24, 0
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; CHECK: vgbm [[T2:%v[0-9]+]], 0
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; CHECK: vsumb [[T3:%v[0-9]+]], [[T1]], [[T2]]
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; CHECK: vsumgf %v24, [[T3]], [[T2]]
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; CHECK: br %r14
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%popcnt = call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %a)
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ret <2 x i64> %popcnt
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}
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