; RUN: llc -O2 -march=hexagon -fp-contract=fast -pipeliner-prune-loop-carried=false < %s | FileCheck %s ; Test that there is 1 packet between the FP result and its use. ; CHECK: loop0([[LOOP0:.LBB[0-9_]+]], ; CHECK: [[LOOP0]] ; CHECK: [[REG0:(r[0-9]+)]] += sfmpy(r{{[0-9]+}},r{{[0-9]+}}) ; CHECK: } ; CHECK: } ; CHECK: r{{[0-9]+}} = {{.*}}[[REG0]] ; Function Attrs: nounwind readnone define void @f0(i32 %a0, i32 %a1) #0 { b0: %v0 = alloca [1000 x float], align 64 %v1 = alloca [1000 x float], align 64 %v2 = alloca [1000 x float], align 64 %v3 = alloca [1000 x float], align 64 %v4 = bitcast [1000 x float]* %v0 to i8* call void @llvm.lifetime.start.p0i8(i64 4000, i8* %v4) #2 %v5 = bitcast [1000 x float]* %v1 to i8* call void @llvm.lifetime.start.p0i8(i64 4000, i8* %v5) #2 %v6 = bitcast [1000 x float]* %v2 to i8* call void @llvm.lifetime.start.p0i8(i64 4000, i8* %v6) #2 %v7 = bitcast [1000 x float]* %v3 to i8* call void @llvm.lifetime.start.p0i8(i64 4000, i8* %v7) #2 %v8 = icmp sgt i32 %a1, 0 %v9 = add i32 %a1, -1 %v10 = getelementptr [1000 x float], [1000 x float]* %v3, i32 0, i32 0 br label %b1 b1: ; preds = %b3, %b0 %v11 = phi i32 [ 0, %b0 ], [ %v34, %b3 ] br i1 %v8, label %b2, label %b3 b2: ; preds = %b2, %b1 %v12 = phi float* [ %v33, %b2 ], [ %v10, %b1 ] %v13 = phi i32 [ %v31, %b2 ], [ 0, %b1 ] %v14 = mul nsw i32 %v13, %a1 %v15 = add nsw i32 %v14, %v11 %v16 = getelementptr inbounds [1000 x float], [1000 x float]* %v1, i32 0, i32 %v15 %v17 = load float, float* %v16, align 4, !tbaa !0 %v18 = fmul float %v17, %v17 %v19 = mul nsw i32 %v13, 25 %v20 = add nsw i32 %v19, %v11 %v21 = getelementptr inbounds [1000 x float], [1000 x float]* %v2, i32 0, i32 %v20 %v22 = load float, float* %v21, align 4, !tbaa !0 %v23 = fmul float %v22, %v22 %v24 = fadd float %v18, %v23 %v25 = load float, float* %v12, align 4, !tbaa !0 %v26 = fmul float %v25, %v25 %v27 = fadd float %v24, %v26 %v28 = getelementptr inbounds [1000 x float], [1000 x float]* %v0, i32 0, i32 %v20 %v29 = load float, float* %v28, align 4, !tbaa !0 %v30 = fadd float %v29, %v27 store float %v30, float* %v28, align 4, !tbaa !0 %v31 = add nuw nsw i32 %v13, 1 %v32 = icmp eq i32 %v13, %v9 %v33 = getelementptr float, float* %v12, i32 1 br i1 %v32, label %b3, label %b2 b3: ; preds = %b2, %b1 %v34 = add nuw nsw i32 %v11, 1 %v35 = icmp eq i32 %v34, 25 br i1 %v35, label %b4, label %b1 b4: ; preds = %b3 call void @llvm.lifetime.end.p0i8(i64 4000, i8* %v7) #2 call void @llvm.lifetime.end.p0i8(i64 4000, i8* %v6) #2 call void @llvm.lifetime.end.p0i8(i64 4000, i8* %v5) #2 call void @llvm.lifetime.end.p0i8(i64 4000, i8* %v4) #2 ret void } ; Function Attrs: argmemonly nounwind declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1 ; Function Attrs: argmemonly nounwind declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1 attributes #0 = { nounwind readnone "target-cpu"="hexagonv60" "target-features"="+hvxv60,+hvx-length64b" } attributes #1 = { argmemonly nounwind } attributes #2 = { nounwind } !0 = !{!1, !1, i64 0} !1 = !{!"float", !2, i64 0} !2 = !{!"omnipotent char", !3, i64 0} !3 = !{!"Simple C/C++ TBAA"}