84 lines
3.5 KiB
LLVM
84 lines
3.5 KiB
LLVM
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; RUN: opt -S -aarch64-sve-intrinsic-opts < %s | FileCheck %s
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target triple = "aarch64-unknown-linux-gnu"
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define void @pred_store_v2i8(<vscale x 16 x i1> %pred, ptr %addr) #0 {
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; CHECK-LABEL: @pred_store_v2i8(
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; CHECK-NEXT: store <vscale x 16 x i1> %pred, ptr %addr
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; CHECK-NEXT: ret void
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%bitcast = bitcast <vscale x 16 x i1> %pred to <vscale x 2 x i8>
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%extract = tail call <2 x i8> @llvm.vector.extract.v2i8.nxv2i8(<vscale x 2 x i8> %bitcast, i64 0)
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store <2 x i8> %extract, ptr %addr, align 4
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ret void
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}
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define void @pred_store_v4i8(<vscale x 16 x i1> %pred, ptr %addr) #1 {
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; CHECK-LABEL: @pred_store_v4i8(
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; CHECK-NEXT: store <vscale x 16 x i1> %pred, ptr %addr
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; CHECK-NEXT: ret void
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%bitcast = bitcast <vscale x 16 x i1> %pred to <vscale x 2 x i8>
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%extract = tail call <4 x i8> @llvm.vector.extract.v4i8.nxv2i8(<vscale x 2 x i8> %bitcast, i64 0)
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store <4 x i8> %extract, ptr %addr, align 4
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ret void
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}
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define void @pred_store_v8i8(<vscale x 16 x i1> %pred, ptr %addr) #2 {
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; CHECK-LABEL: @pred_store_v8i8(
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; CHECK-NEXT: store <vscale x 16 x i1> %pred, ptr %addr
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; CHECK-NEXT: ret void
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%bitcast = bitcast <vscale x 16 x i1> %pred to <vscale x 2 x i8>
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%extract = tail call <8 x i8> @llvm.vector.extract.v8i8.nxv2i8(<vscale x 2 x i8> %bitcast, i64 0)
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store <8 x i8> %extract, ptr %addr, align 4
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ret void
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}
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; Check that too small of a vscale prevents optimization
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define void @pred_store_neg1(<vscale x 16 x i1> %pred, ptr %addr) #0 {
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; CHECK-LABEL: @pred_store_neg1(
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; CHECK: call <4 x i8> @llvm.vector.extract
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%bitcast = bitcast <vscale x 16 x i1> %pred to <vscale x 2 x i8>
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%extract = tail call <4 x i8> @llvm.vector.extract.v4i8.nxv2i8(<vscale x 2 x i8> %bitcast, i64 0)
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store <4 x i8> %extract, ptr %addr, align 4
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ret void
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}
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; Check that too large of a vscale prevents optimization
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define void @pred_store_neg2(<vscale x 16 x i1> %pred, ptr %addr) #2 {
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; CHECK-LABEL: @pred_store_neg2(
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; CHECK: call <4 x i8> @llvm.vector.extract
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%bitcast = bitcast <vscale x 16 x i1> %pred to <vscale x 2 x i8>
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%extract = tail call <4 x i8> @llvm.vector.extract.v4i8.nxv2i8(<vscale x 2 x i8> %bitcast, i64 0)
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store <4 x i8> %extract, ptr %addr, align 4
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ret void
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}
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; Check that a non-zero index prevents optimization
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define void @pred_store_neg3(<vscale x 16 x i1> %pred, ptr %addr) #1 {
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; CHECK-LABEL: @pred_store_neg3(
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; CHECK: call <4 x i8> @llvm.vector.extract
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%bitcast = bitcast <vscale x 16 x i1> %pred to <vscale x 2 x i8>
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%extract = tail call <4 x i8> @llvm.vector.extract.v4i8.nxv2i8(<vscale x 2 x i8> %bitcast, i64 4)
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store <4 x i8> %extract, ptr %addr, align 4
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ret void
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}
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; Check that differing vscale min/max prevents optimization
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define void @pred_store_neg4(<vscale x 16 x i1> %pred, ptr %addr) #3 {
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; CHECK-LABEL: @pred_store_neg4(
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; CHECK: call <4 x i8> @llvm.vector.extract
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%bitcast = bitcast <vscale x 16 x i1> %pred to <vscale x 2 x i8>
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%extract = tail call <4 x i8> @llvm.vector.extract.v4i8.nxv2i8(<vscale x 2 x i8> %bitcast, i64 0)
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store <4 x i8> %extract, ptr %addr, align 4
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ret void
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}
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declare <2 x i8> @llvm.vector.extract.v2i8.nxv2i8(<vscale x 2 x i8>, i64)
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declare <4 x i8> @llvm.vector.extract.v4i8.nxv2i8(<vscale x 2 x i8>, i64)
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declare <8 x i8> @llvm.vector.extract.v8i8.nxv2i8(<vscale x 2 x i8>, i64)
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attributes #0 = { "target-features"="+sve" vscale_range(1,1) }
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attributes #1 = { "target-features"="+sve" vscale_range(2,2) }
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attributes #2 = { "target-features"="+sve" vscale_range(4,4) }
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attributes #3 = { "target-features"="+sve" vscale_range(2,4) }
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