forked from OSchip/llvm-project
75 lines
2.8 KiB
LLVM
75 lines
2.8 KiB
LLVM
; RUN: llc -march=hexagon -O2 -enable-pipeliner=false < %s | FileCheck %s
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; RUN: llc -march=hexagon -O2 -debug-only=pipeliner < %s -o - 2>&1 | FileCheck %s --check-prefix=CHECK-SWP
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; REQUIRES: asserts
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; CHECK: {
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; CHECK-DAG: v{{[0-9]*}} = vmem(r{{[0-9]*}}++#1)
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; CHECK-DAG: vmem(r{{[0-9]*}}++#1) = v{{[0-9]*}}.new
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; CHECK: }{{[ \t]*}}:endloop0
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; CHECK-SWP: Schedule Found? 1
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; CHECK-SWP: {
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; CHECK-DAG-SWP: v{{[0-9]*}}.cur = vmem(r{{[0-9]*}}++#1)
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; CHECK-DAG-SWP: vmem(r{{[0-9]*}}++#1) = v{{[0-9]*}}.new
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; CHECK-SWP: }{{[ \t]*}}:endloop0
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target triple = "hexagon"
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; Function Attrs: nounwind
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define void @f0(i16* nocapture readonly %a0, i32 %a1, i32 %a2, i16* nocapture %a3) #0 {
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b0:
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%v0 = mul i32 %a2, -2
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%v1 = add i32 %v0, 64
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%v2 = tail call <16 x i32> @llvm.hexagon.V6.vsubw(<16 x i32> undef, <16 x i32> undef)
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%v3 = bitcast i16* %a3 to <16 x i32>*
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%v4 = sdiv i32 %a1, 32
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%v5 = icmp sgt i32 %a1, 31
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br i1 %v5, label %b1, label %b4
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b1: ; preds = %b0
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%v6 = bitcast i16* %a0 to <16 x i32>*
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%v7 = icmp sgt i32 %a1, 63
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%v8 = mul i32 %v4, 32
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%v9 = select i1 %v7, i32 %v8, i32 32
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%v10 = getelementptr i16, i16* %a3, i32 %v9
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br label %b2
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b2: ; preds = %b2, %b1
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%v11 = phi i32 [ 0, %b1 ], [ %v19, %b2 ]
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%v12 = phi <16 x i32> [ %v2, %b1 ], [ %v16, %b2 ]
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%v13 = phi <16 x i32>* [ %v3, %b1 ], [ %v18, %b2 ]
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%v14 = phi <16 x i32>* [ %v6, %b1 ], [ %v15, %b2 ]
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%v15 = getelementptr inbounds <16 x i32>, <16 x i32>* %v14, i32 1
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%v16 = load <16 x i32>, <16 x i32>* %v14, align 64, !tbaa !0
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%v17 = tail call <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32> %v16, <16 x i32> %v12, i32 %v1)
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%v18 = getelementptr inbounds <16 x i32>, <16 x i32>* %v13, i32 1
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store <16 x i32> %v17, <16 x i32>* %v13, align 64, !tbaa !0
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%v19 = add nsw i32 %v11, 1
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%v20 = icmp slt i32 %v19, %v4
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br i1 %v20, label %b2, label %b3
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b3: ; preds = %b2
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%v21 = bitcast i16* %v10 to <16 x i32>*
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br label %b4
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b4: ; preds = %b3, %b0
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%v22 = phi <16 x i32> [ %v16, %b3 ], [ %v2, %b0 ]
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%v23 = phi <16 x i32>* [ %v21, %b3 ], [ %v3, %b0 ]
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%v24 = tail call <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32> %v2, <16 x i32> %v22, i32 %v1)
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store <16 x i32> %v24, <16 x i32>* %v23, align 64, !tbaa !0
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ret void
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}
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; Function Attrs: nounwind readnone
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declare <16 x i32> @llvm.hexagon.V6.vsubw(<16 x i32>, <16 x i32>) #1
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; Function Attrs: nounwind readnone
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declare <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32>, <16 x i32>, i32) #1
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attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvxv60,+hvx-length64b" }
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attributes #1 = { nounwind readnone }
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!0 = !{!1, !1, i64 0}
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!1 = !{!"omnipotent char", !2, i64 0}
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!2 = !{!"Simple C/C++ TBAA"}
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