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https://github.com/RPCS3/llvm-mirror.git
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702277f07f
Replace spills to memory with spills to registers, if possible. This applies mostly to predicate registers (both scalar and vector), since they are very limited in number. A spill of a predicate register may happen even if there is a general-purpose register available. In cases like this the stack spill/reload may be eliminated completely. This optimization will consider all stack objects, regardless of where they came from and try to match the live range of the stack slot with a dead range of a register from an appropriate register class. llvm-svn: 260758
145 lines
11 KiB
LLVM
145 lines
11 KiB
LLVM
; RUN: llc -march=hexagon -mcpu=hexagonv60 -enable-hexagon-hvx-double \
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; RUN: -hexagon-bit=0 < %s | FileCheck %s
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; This spill should be eliminated.
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; CHECK-NOT: vmem(r29+#6)
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define void @test(i8* noalias nocapture %key, i8* noalias nocapture %data1) #0 {
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entry:
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%0 = bitcast i8* %key to <32 x i32>*
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%1 = bitcast i8* %data1 to <32 x i32>*
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br label %for.body
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for.body:
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%pkey.0542 = phi <32 x i32>* [ %0, %entry ], [ null, %for.body ]
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%pdata0.0541 = phi <32 x i32>* [ null, %entry ], [ %add.ptr48, %for.body ]
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%pdata1.0540 = phi <32 x i32>* [ %1, %entry ], [ %add.ptr49, %for.body ]
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%dAccum0.0539 = phi <64 x i32> [ undef, %entry ], [ %86, %for.body ]
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%2 = load <32 x i32>, <32 x i32>* %pkey.0542, align 128
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%3 = load <32 x i32>, <32 x i32>* %pdata0.0541, align 128
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%4 = load <32 x i32>, <32 x i32>* undef, align 128
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%arrayidx4 = getelementptr inbounds <32 x i32>, <32 x i32>* %pdata0.0541, i32 2
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%5 = load <32 x i32>, <32 x i32>* %arrayidx4, align 128
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%arrayidx5 = getelementptr inbounds <32 x i32>, <32 x i32>* %pdata1.0540, i32 2
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%6 = load <32 x i32>, <32 x i32>* %arrayidx5, align 128
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%7 = load <32 x i32>, <32 x i32>* null, align 128
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%8 = load <32 x i32>, <32 x i32>* undef, align 128
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%9 = load <32 x i32>, <32 x i32>* null, align 128
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%arrayidx9 = getelementptr inbounds <32 x i32>, <32 x i32>* %pkey.0542, i32 3
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%arrayidx10 = getelementptr inbounds <32 x i32>, <32 x i32>* %pdata0.0541, i32 6
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%10 = load <32 x i32>, <32 x i32>* %arrayidx10, align 128
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%arrayidx12 = getelementptr inbounds <32 x i32>, <32 x i32>* %pkey.0542, i32 4
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%11 = load <32 x i32>, <32 x i32>* %arrayidx12, align 128
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%arrayidx13 = getelementptr inbounds <32 x i32>, <32 x i32>* %pdata0.0541, i32 8
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%arrayidx14 = getelementptr inbounds <32 x i32>, <32 x i32>* %pdata1.0540, i32 8
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%12 = load <32 x i32>, <32 x i32>* %arrayidx14, align 128
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%arrayidx15 = getelementptr inbounds <32 x i32>, <32 x i32>* %pkey.0542, i32 5
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%13 = load <32 x i32>, <32 x i32>* %arrayidx15, align 128
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%arrayidx16 = getelementptr inbounds <32 x i32>, <32 x i32>* %pdata0.0541, i32 10
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%arrayidx17 = getelementptr inbounds <32 x i32>, <32 x i32>* %pdata1.0540, i32 10
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%14 = load <32 x i32>, <32 x i32>* %arrayidx17, align 128
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%arrayidx18 = getelementptr inbounds <32 x i32>, <32 x i32>* %pkey.0542, i32 6
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%15 = load <32 x i32>, <32 x i32>* %arrayidx18, align 128
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%arrayidx19 = getelementptr inbounds <32 x i32>, <32 x i32>* %pdata0.0541, i32 12
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%16 = load <32 x i32>, <32 x i32>* %arrayidx19, align 128
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%arrayidx20 = getelementptr inbounds <32 x i32>, <32 x i32>* %pdata1.0540, i32 12
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%17 = load <32 x i32>, <32 x i32>* %arrayidx20, align 128
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%arrayidx22 = getelementptr inbounds <32 x i32>, <32 x i32>* %pdata0.0541, i32 14
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%18 = load <32 x i32>, <32 x i32>* %arrayidx22, align 128
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%arrayidx23 = getelementptr inbounds <32 x i32>, <32 x i32>* %pdata1.0540, i32 14
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%19 = load <32 x i32>, <32 x i32>* %arrayidx23, align 128
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%20 = tail call <1024 x i1> @llvm.hexagon.V6.vgtb.128B(<32 x i32> %2, <32 x i32> %11)
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%21 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %20, <32 x i32> %11, <32 x i32> %2)
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%22 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %20, <32 x i32> %2, <32 x i32> %11)
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%23 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %20, <32 x i32> undef, <32 x i32> %3)
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%24 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %20, <32 x i32> %12, <32 x i32> undef)
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%25 = tail call <1024 x i1> @llvm.hexagon.V6.vgtb.128B(<32 x i32> %7, <32 x i32> %15)
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%26 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %25, <32 x i32> %15, <32 x i32> %7)
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%27 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %25, <32 x i32> %7, <32 x i32> %15)
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%28 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %25, <32 x i32> %16, <32 x i32> %8)
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%29 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %25, <32 x i32> %8, <32 x i32> %16)
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%30 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %25, <32 x i32> %17, <32 x i32> %9)
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%31 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %25, <32 x i32> %9, <32 x i32> %17)
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%32 = tail call <1024 x i1> @llvm.hexagon.V6.vgtb.128B(<32 x i32> %4, <32 x i32> %13)
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%33 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %32, <32 x i32> %13, <32 x i32> %4)
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%34 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %32, <32 x i32> %4, <32 x i32> %13)
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%35 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %32, <32 x i32> undef, <32 x i32> %5)
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%36 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %32, <32 x i32> %5, <32 x i32> undef)
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%37 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %32, <32 x i32> %14, <32 x i32> %6)
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%38 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %32, <32 x i32> %6, <32 x i32> %14)
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%39 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> zeroinitializer, <32 x i32> zeroinitializer, <32 x i32> undef)
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%40 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> zeroinitializer, <32 x i32> undef, <32 x i32> zeroinitializer)
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%41 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> zeroinitializer, <32 x i32> %18, <32 x i32> %10)
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%42 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> zeroinitializer, <32 x i32> %10, <32 x i32> %18)
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%43 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> zeroinitializer, <32 x i32> %19, <32 x i32> undef)
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%44 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> zeroinitializer, <32 x i32> undef, <32 x i32> %19)
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%45 = tail call <1024 x i1> @llvm.hexagon.V6.vgtb.128B(<32 x i32> %21, <32 x i32> %26)
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%46 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %45, <32 x i32> %26, <32 x i32> %21)
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%47 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %45, <32 x i32> %21, <32 x i32> %26)
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%48 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %45, <32 x i32> %28, <32 x i32> %23)
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%49 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %45, <32 x i32> %23, <32 x i32> %28)
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%50 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %45, <32 x i32> %30, <32 x i32> %24)
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%51 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %45, <32 x i32> %24, <32 x i32> %30)
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%52 = tail call <1024 x i1> @llvm.hexagon.V6.vgtb.128B(<32 x i32> %22, <32 x i32> %27)
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%53 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %52, <32 x i32> %27, <32 x i32> %22)
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%54 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %52, <32 x i32> %22, <32 x i32> %27)
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%55 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %52, <32 x i32> %29, <32 x i32> undef)
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%56 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %52, <32 x i32> undef, <32 x i32> %31)
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%57 = tail call <1024 x i1> @llvm.hexagon.V6.vgtb.128B(<32 x i32> %33, <32 x i32> %39)
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%58 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %57, <32 x i32> %39, <32 x i32> %33)
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%59 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %57, <32 x i32> %33, <32 x i32> %39)
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%60 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %57, <32 x i32> %41, <32 x i32> %35)
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%61 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %57, <32 x i32> %43, <32 x i32> %37)
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%62 = tail call <1024 x i1> @llvm.hexagon.V6.vgtb.128B(<32 x i32> %34, <32 x i32> %40)
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%63 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %62, <32 x i32> %42, <32 x i32> %36)
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%64 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %62, <32 x i32> %38, <32 x i32> %44)
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%65 = tail call <1024 x i1> @llvm.hexagon.V6.vgtb.128B(<32 x i32> %46, <32 x i32> %58)
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%66 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %65, <32 x i32> %58, <32 x i32> %46)
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%67 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %65, <32 x i32> %60, <32 x i32> %48)
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%68 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %65, <32 x i32> %61, <32 x i32> %50)
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%69 = tail call <1024 x i1> @llvm.hexagon.V6.vgtb.128B(<32 x i32> %47, <32 x i32> %59)
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%70 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %69, <32 x i32> %51, <32 x i32> zeroinitializer)
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%71 = tail call <1024 x i1> @llvm.hexagon.V6.vgtb.128B(<32 x i32> %53, <32 x i32> zeroinitializer)
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%72 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %71, <32 x i32> %63, <32 x i32> %55)
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%73 = tail call <1024 x i1> @llvm.hexagon.V6.vgtb.128B(<32 x i32> %54, <32 x i32> undef)
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%74 = tail call <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1> %73, <32 x i32> %56, <32 x i32> %64)
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%75 = tail call <32 x i32> @llvm.hexagon.V6.vshuffeb.128B(<32 x i32> %68, <32 x i32> %67)
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%76 = tail call <32 x i32> @llvm.hexagon.V6.vshuffeb.128B(<32 x i32> %70, <32 x i32> undef)
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%77 = tail call <32 x i32> @llvm.hexagon.V6.vshuffeb.128B(<32 x i32> zeroinitializer, <32 x i32> %72)
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%78 = tail call <32 x i32> @llvm.hexagon.V6.vshuffeb.128B(<32 x i32> %74, <32 x i32> zeroinitializer)
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%79 = tail call <64 x i32> @llvm.hexagon.V6.vmpyuh.acc.128B(<64 x i32> %dAccum0.0539, <32 x i32> %75, i32 65537)
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%80 = tail call <64 x i32> @llvm.hexagon.V6.vmpyuh.acc.128B(<64 x i32> %79, <32 x i32> zeroinitializer, i32 65537)
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%81 = tail call <64 x i32> @llvm.hexagon.V6.vmpyuh.acc.128B(<64 x i32> %80, <32 x i32> zeroinitializer, i32 65537)
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%82 = tail call <64 x i32> @llvm.hexagon.V6.vmpyuh.acc.128B(<64 x i32> %81, <32 x i32> %76, i32 65537)
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%83 = tail call <64 x i32> @llvm.hexagon.V6.vmpyuh.acc.128B(<64 x i32> %82, <32 x i32> %77, i32 65537)
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%84 = tail call <64 x i32> @llvm.hexagon.V6.vmpyuh.acc.128B(<64 x i32> %83, <32 x i32> zeroinitializer, i32 65537)
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%85 = tail call <64 x i32> @llvm.hexagon.V6.vmpyuh.acc.128B(<64 x i32> %84, <32 x i32> undef, i32 65537)
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%86 = tail call <64 x i32> @llvm.hexagon.V6.vmpyuh.acc.128B(<64 x i32> %85, <32 x i32> %78, i32 65537)
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store <32 x i32> %66, <32 x i32>* %pkey.0542, align 128
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store <32 x i32> %75, <32 x i32>* %pdata0.0541, align 128
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store <32 x i32> zeroinitializer, <32 x i32>* %arrayidx4, align 128
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store <32 x i32> zeroinitializer, <32 x i32>* undef, align 128
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store <32 x i32> zeroinitializer, <32 x i32>* %arrayidx20, align 128
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store <32 x i32> zeroinitializer, <32 x i32>* null, align 128
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%add.ptr48 = getelementptr inbounds <32 x i32>, <32 x i32>* %pdata0.0541, i32 16
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%add.ptr49 = getelementptr inbounds <32 x i32>, <32 x i32>* %pdata1.0540, i32 16
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br i1 false, label %for.end, label %for.body
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for.end:
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%87 = tail call <32 x i32> @llvm.hexagon.V6.hi.128B(<64 x i32> %86)
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ret void
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}
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declare <1024 x i1> @llvm.hexagon.V6.vgtb.128B(<32 x i32>, <32 x i32>) #1
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declare <32 x i32> @llvm.hexagon.V6.vmux.128B(<1024 x i1>, <32 x i32>, <32 x i32>) #1
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declare <32 x i32> @llvm.hexagon.V6.vshuffeb.128B(<32 x i32>, <32 x i32>) #1
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declare <64 x i32> @llvm.hexagon.V6.vmpyuh.acc.128B(<64 x i32>, <32 x i32>, i32) #1
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declare <32 x i32> @llvm.hexagon.V6.hi.128B(<64 x i32>) #1
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attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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