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1; RUN: llc -mtriple=hexagon -rdf-opt=0 < %s -pipeliner-experimental-cg=true -disable-cgp-delete-phis | FileCheck %s2 3; Test that we generate the correct name for a value in a prolog block. The4; pipeliner was using an incorrect value for an instruction in the 2nd prolog5; block for a value defined by a Phi. The result was that an instruction in6; the 1st and 2nd prolog blocks contain the same operands.7 8; CHECK: vcmp.gt([[VREG:(v[0-9]+)]].uh,v{{[0-9]+}}.uh)9; CHECK-NOT: vcmp.gt([[VREG]].uh,v{{[0-9]+}}.uh)10; CHECK: loop011 12define void @f0(<64 x i32> %a0, <32 x i32> %a1, i32 %a2) #0 {13b0:14 br i1 undef, label %b1, label %b515 16b1: ; preds = %b017 %v0 = tail call <32 x i32> @llvm.hexagon.V6.hi.128B(<64 x i32> %a0)18 br label %b219 20b2: ; preds = %b4, %b121 %v1 = phi <32 x i32> [ %a1, %b1 ], [ %v7, %b4 ]22 br label %b323 24b3: ; preds = %b3, %b225 %v2 = phi i32 [ 0, %b2 ], [ %v8, %b3 ]26 %v3 = phi <32 x i32> [ zeroinitializer, %b2 ], [ %v0, %b3 ]27 %v4 = phi <32 x i32> [ %v1, %b2 ], [ %v7, %b3 ]28 %v5 = tail call <128 x i1> @llvm.hexagon.V6.vgtuh.128B(<32 x i32> %v3, <32 x i32> undef)29 %v6 = tail call <128 x i1> @llvm.hexagon.V6.veqh.and.128B(<128 x i1> %v5, <32 x i32> undef, <32 x i32> undef)30 %v7 = tail call <32 x i32> @llvm.hexagon.V6.vaddhq.128B(<128 x i1> %v6, <32 x i32> %v4, <32 x i32> undef)31 %v8 = add nsw i32 %v2, 132 %v9 = icmp slt i32 %v8, %a233 br i1 %v9, label %b3, label %b434 35b4: ; preds = %b336 br i1 undef, label %b5, label %b237 38b5: ; preds = %b4, %b039 ret void40}41 42; Function Attrs: nounwind readnone43declare <128 x i1> @llvm.hexagon.V6.vgtuh.128B(<32 x i32>, <32 x i32>) #144 45; Function Attrs: nounwind readnone46declare <128 x i1> @llvm.hexagon.V6.veqh.and.128B(<128 x i1>, <32 x i32>, <32 x i32>) #147 48; Function Attrs: nounwind readnone49declare <32 x i32> @llvm.hexagon.V6.vaddhq.128B(<128 x i1>, <32 x i32>, <32 x i32>) #150 51; Function Attrs: nounwind readnone52declare <32 x i32> @llvm.hexagon.V6.hi.128B(<64 x i32>) #153 54attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvxv60,+hvx-length128b" }55attributes #1 = { nounwind readnone }56